ROMIL-SA^™ Salts & Reagents for General Use

Detailed Specifications

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Recommended Shelf Lives and Storage Conditions

Barium Chloride 2H2O SA
Code A7341
Standard Pack 500g 2½KG
R:20-25 S:45 EC:[233-788-1]
BaCl2.2H2O MW 244.28 d 2.00
CAS [10326-27-9]
Assay >99%
pH (5% aqueous) 5.0-8.2
Loss on drying at 150°C 14-16%
Calcium <0.005%
Strontium <0.02%
Heavy metals as Pb <0.001%

Benzoic Acid SA
Code A7114
Standard Pack 100g 500g
R:22-36 S:26 EC:[200-618-2]
C6H5COOH MW 122.12 CAS [65-85-0]
Assay >99.5% Water <0.5%
Sulphated ash <0.05%
Heavy metals as Pb <0.001%

Borax (see di-Sodium Tetraborate)

Boric Acid SA
(Orthoboric Acid)
Code A7398
Standard Pack 500g 2½KG
EC:[233-139-2]
H3BO3 MW 61.83 d 1.10 CAS [10043-35-3]
Assay >99.8%
Chloride <0.001%
Phosphate <0.001%
Sulphate <0.001%
Heavy metals as Pb <0.001%

Calcium Carbonate SA
precipitated
Code A7421
Standard Pack 500g
EC:[207-439-9]
CaCO3 MW 100.09 d 0.40 CAS [471-34-1]
Assay >99%
Loss on drying at 200°C <2%
Chloride <0.02%
Sulphate <0.2%
Heavy metals as Pb <0.002%

Calcium Chloride 2H2O SA
Code A7451
Standard Pack 500g 2½KG
R:36 S:22-24 EC:[233-140-8]
CaCl2.2H2O MW 147.02 d 1.00
CAS [10035-04-8]
Assay >98%
pH (5% aqueous) 4.5-8.0
Sulphate <0.005%
Heavy metals as Pb <0.001%
Deliquescent.

Calcium Chloride anhydrous SA
Code A7437
Standard Pack 500g 2½KG
R:36 S:22-24 EC:[233-140-8]
CaCl2 MW 110.99 d 1.00
CAS [10043-52-4]
Assay >94%
White granules
pH (5% aqueous) about 10
Heavy metals as Pb <0.001%
Deliquescent.

Calcium Hydroxide SA
Code A7442
Standard Pack 500g
R:41 S:22-24-26-39 EC:[215-137-3]
Ca(OH)2 MW 74.09 d 0.50 CAS [1305-62-0]
Assay >96%
Chloride <0.01%
Sulphate <0.05%
Heavy metals as Pb <0.001%
Adsorbs carbon dioxide from air.

Calcium Nitrate 4H2O SA 8/10/07
Code A7385
Standard Pack 500g 2½KG
R:8-36 S:17-26-39 EC:[233-332-1]
Ca(NO3)2.4H2O MW 236.15 FP 45°C d 1.82 CAS [13477-34-4]
Assay >99.0%
pH (5% aqueous) 5.0-7.0
Chloride <0.005%
Nitrite <0.001%
Heavy metals as Pb <0.001%
Deliqescent, hygroscopic.

Calcium Sulphate 2H2O SA
Code A7468
Standard Pack 500g
EC:[231-900-3]
CaSO4.2H2O MW 172.17 d 0.50 CAS [10101-41-4]
Assay >99%
Chloride <0.005%
Heavy metals as Pb <0.001%

Carbolic Acid (see Phenol)

CDTA (see trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic Acid)

Charcoal powder SA REVISED 08/05/08
decolourising, activated
Code A7483
Standard Pack 500g 1KG
EC:[231-153-3]
C AW 12.01 d 0.30 CAS [7440-44-0]
pH (5% aqueous) 8.0-10.0
Loss on drying at 120°C <10%
Deactivates in contact with air/gases.

Citric Acid 1H2O SA
Code A7497
Standard Pack 500g 2½KG 10KG
R:36 S:24/25 EC:[201-069-1]
C6H8O7.H2O MW 210.14 d 1.10 CAS [5949-29-1]
Assay >99.5%
Sulphated ash <0.01%
Chloride <0.001%
Sulphate <0.005%
Oxalate <0.01%
Phosphate <0.001%
Heavy metals as Pb <0.002%
Slightly deliquescent in moist air.

Copper(II) Sulphate 5H2O SA
(Cupric Sulphate)
Code A7508
Standard Pack 500g 2½KG
R:22-36/38-50/53 S:22-60-61 EC:[231-847-6]
CuSO4.5H2O MW 249.68 d 1.10 CAS [7758-99-8]
Assay >99%
pH (5% aqueous) 3.7-5.0
Chloride <0.001%
Heavy metals as Pb <0.005%

Cupric Sulphate (see Copper(II) Sulphate)

Dextrose (see D(+)-Glucose)

trans-1,2-Diaminocyclohexane-N,N,N',N'-tetraacetic Acid 1H2O SA 11/ 4/07
(CDTA)
Code A7019
Standard Pack 25g 100g
R:36/37/38 S:26 EC:[236-308-9]
C14H22N2O8.H2O MW 364.35 d 0.50 CAS [13291-61-7]
Assay >99%
Residue on ignition <0.5%

EDTA di-Sodium salt 2H2O SA
Code A7521
Standard Pack 500g 2½KG
R:22 EC:[205-358-3]
C10H14N2O8Na2.2H2O MW 372.24 d 0.60 CAS [6381-92-6]
Assay >99%
pH (5% aqueous) 4.3-5.0
Chloride <0.01%
Cyanide <0.001%
Nitrilotriacetate <0.1%
Sulphate <0.05%
Heavy metals as Pb <0.001%

Ethanedioic Acid (see Oxalic Acid)

Ferric Chloride (see Iron(III) Chloride)

Ferric Nitrate (see Iron(III) Nitrate)

Ferrous Sulphate (see Iron(II) Sulphate)

Glass Wool SA
Code A7534
Standard Pack 500gCAS [65997-17-3]
Soluble in HCl <1%

D(+)-Glucose anhydrous SA REVISED 12/07/06
(Dextrose)
Code A7545
Standard Pack 500g 2½KG
EC:[200-075-1]
C6H12O6 MW 180.16 d 1.00
CAS [50-99-7]
pH (10% aqueous) >4.5
Specific rotation +52.5° to +53.3°
Loss on drying <0.1%
Chloride <0.02%
Sulphate <0.02%
Heavy metals as Pb <0.001%
Hygroscopic.

Glycine SA
(Aminoacetic Acid)
Code A7552
Standard Pack 500g 2½KG
EC:[200-272-2]
NH2CH2COOH MW 75.07
CAS [56-40-6]
Assay >99.5%
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.001%

Glyoxaline (see Imidazole)

Hydroxylamine Hydrochloride (see Hydroxylammonium Chloride)

Hydroxylammonium Chloride SA
(Hydroxylamine Hydrochloride)
Code A7560
Standard Pack 100g 500g 2½KG
R:22-36/38-43-48/22-50 S:22-24-37-61 EC:[226-798-2]
HONH3Cl MW 69.49 d 1.00
CAS [5470-11-1]
Assay >99%
pH (5% aqueous) 2.5-3.5
Sulphated ash <0.01%
Ammonium <0.1%
Sulphate <0.005%
Heavy metals as Pb <0.001%
Readily adsorbs moisture from air and slowly decomposes.

Imidazole SA
(Glyoxaline)
Code A7573
Standard Pack 100g 500g
R:22-34 S:26-45 EC:[206-019-2]
C3H4N2 MW 68.08 CAS [288-32-4]
Assay >99%
pH (5% aqueous) 9.0-11.0
Chloride <0.05%
Sulphate <0.05%

Iodine SA
Code A7609
Standard Pack 100g 500g 2½KG
R:20/21-50 S:23c-25-61 EC:[231-442-4]
I2 MW 253.81 d 2.70 CAS [7553-56-2]
Assay >99.8% Residue <0.01%
Chloride and Bromide <0.005%

Iron(III) Chloride 6H2O SA REVISED 12/11/08
(Ferric Chloride)
Code A7635
Standard Pack 500g 2½KG
R:22-38-41 S:26-39 EC:[231-729-4]
FeCl3.6H2O MW 270.30 d 0.80 CAS [10025-77-1]
Assay 97-102%
Insoluble matter <0.01%
Sulphate <0.01%
Phosphate <0.01%
Iron(II) <0.002%
Deliquescent.

Iron(III) Nitrate 9H2O SA
(Ferric Nitrate)
Code A7621
Standard Pack 500g
R:8-36/38 S:26 EC:[233-899-5]
Fe(NO3)3.9H2O MW 404.00
CAS [7782-61-8]
Assay >98%
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.005%
Iron(II) <0.005%
Heavy metals as Pb <0.002%
Adsorbs moisture from air.

Iron(II) Sulphate 7H2O SA
(Ferrous Sulphate)
Code A7618
Standard Pack 500g 2½KG
R:22 S:24/25 EC:[231-753-5]
FeSO4.7H2O MW 278.01 d 1.40 CAS [7782-63-0]
Assay >99%
pH (5% aqueous) 3.0-4.0
Chloride <0.001%
Phosphate <0.001%
Iron(III) <0.05%
Heavy metals as Pb <0.001%

Magnesium SA
turnings
Code A7639
Standard Pack 500g 1KG
R:11-15 S:7/8-43a EC:[231-104-6]
Mg AW 24.31 d 0.30 CAS [7439-95-4]
Assay >99%
Oxidises slowly in contact with air.

Magnesium Chloride 6H2O SA
Code A7648
Standard Pack 500g 2½KG
EC:[232-094-6]
MgCl2.6H2O MW 203.30 d 0.80 CAS [7791-18-6]
Assay >98.5%
pH (5% aqueous) 5.0-6.5
Sulphate <0.005%
Phosphate <0.001%
Barium and Strontium <0.005%
Heavy metals as Pb <0.001%
Deliquescent.

Magnesium Sulphate 7H2O SA
Code A7671
Standard Pack 500g 2½KG
EC:[231-298-2]
MgSO4.7H2O MW 246.47 d 1.00
CAS [10034-99-8]
Assay >99.5%
pH (5% aqueous) 5.0-8.0
Chloride <0.01%
Heavy metals as Pb <0.001%
Efflorescent.

Magnesium Sulphate anhydrous SA
Code A7854
Standard Pack 500g 2½KG
EC:[231-298-2]
MgSO4 MW 120.36 d 1.80 CAS [7487-88-9]
Assay >97%
Chloride <0.02%
Adsorbs moisture from air.

Magnesium Sulphate dried SA
(Magnesium Sulphate exsiccated)
Code A7323
Standard Pack 500g 2½KG
EC:[231-298-2]
MgSO4.xH2O (x=2.7-3.0)
Assay (MgSO4) ca. 70%
Chloride <0.02%
Iron <0.002%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Magnesium Sulphate exsiccated (see Magnesium Sulphate dried)

Manganese(II) Sulphate 1H2O SA
(Manganous Sulphate)
Code A7255
Standard Pack 500g 2½KG
R:48/20/22-51/53 S:22-61 EC:[232-089-9]
MnSO4.H2O MW 169.01 CAS [10034-96-5]
Assay >98%
pH (5% aqueous) 6.5-7.0
Chloride <0.001%
Iron <0.005%

Manganous Sulphate (see Manganese(II) Sulphate)

Mercuric Chloride (see Mercury(II) Chloride)

Mercuric Sulphate (see Mercury(II) Sulphate)

Mercury(II) Chloride SA REVISED 28/11/06
(Mercuric Chloride)
Code A7602
Standard Pack 100g 500g
R:28-34-48/24/25-50/53 S:36/37/39-45-60-61 EC:[231-299-8]
HgCl2 MW 271.50 CAS [7487-94-7]
Assay >99.5%
Sulphate <0.02%
Iron <0.005%

Mercury(II) Sulphate SA REVISED 28/11/06
(Mercuric Sulphate)
Code A7484
Standard Pack 100g 500g
R:26/27/28-33-50/53 S:13-28a-45-60-61 EC:[231-992-5]
HgSO4 MW 296.65 CAS [7783-35-9]
Assay >98%
Chloride <0.005%
Nitrate <0.005%
Iron <0.005%
Hygroscopic. Sensitive to light.
Store in dark.

4-(Methylamino)phenol Sulphate SA
(Metol)
Code A7182
Standard Pack 100g 500g
R:22-43-48/22-50/53 S:36/37-46-60-61 EC:[200-237-1]
(CH3NHC6H4OH)2.H2SO4 MW 344.39 CAS [55-55-0]
Assay >99%
pH (4% aqueous) 3.4-3.7
Loss on drying <0.5%
Sulphated ash <0.1%
Heavy metals as Pb <0.005%

Metol (see 4-(Methylamino)phenol Sulphate)

Molecular Sieve 3A SA
pellets 1.6mm
Code A7678
Standard Pack 500g
CAS [1327-44-2]
Crystalline potassium aluminosilicate
Pore diameter about 3 Angstroms
Pellet size about 1.6mm (1/16 inch)
Adsorbs moisture from air.

Molecular Sieve 4A SA
beads 4.8x2.4mm
Code A7286
Standard Pack 500g 2½KG
CAS [1344-00-9]
Crystalline sodium aluminosilicate
Pore diameter about 4 Angstroms
Bead size about 4.8x2.4mm
Adsorbs moisture, gases.

Molecular Sieve 4A SA
pellets 1.6mm
Code A7144
Standard Pack 500g
CAS [1344-00-9]
Crystalline sodium aluminosilicate
Pore diameter about 4 Angstroms
Pellet size about 1.6mm (1/16 inch)
Adsorbs moisture, gases.

Orthoboric Acid (see Boric Acid)

Oxalic Acid 2H2O SA
(Ethanedioic Acid)
Code A7685
Standard Pack 500g 2½KG
R:21/22 S:24/25 EC:[205-634-3]
(COOH)2.2H2O MW 126.07 d 1.10 CAS [6153-56-6]
Assay >99.5%
Sulphated ash <0.05%
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.001%

Phenol SA
(Carbolic Acid)
Code A7620
Standard Pack 500g 2½KG
R:24/25-34 S:28b-45 EC:[203-632-7]
C6H5OH MW 94.11 FP 40°C d 0.80 CAS [108-95-2]
Assay >99.5% Water <0.5% Residue <0.05%
pH (5% aqueous) 4.5-6.0
Chloride <0.001%
Reddens on exposure to air and light.

Phosphoric Anhydride (see Phosphorus Pentoxide)

Phosphorus Pentoxide SA
(Phosphoric Anhydride)
Code A7431
Standard Pack 100g 500g
R:35 S:22-26-45 EC:[215-236-1]
P2O5 MW 141.94 d 2.40 CAS [1314-56-3]
Assay >98%
Chloride <0.002%
Nitrate <0.005%
Heavy metals as Pb <0.001%
Very deliquescent.

Potassium Bromide SA
Code A7706
Standard Pack 500g 2½KG
EC:[231-830-3]
KBr MW 119.00
CAS [7758-02-3]
Assay >99.5%
pH (5% aqueous) 5.0-8.0
Loss on drying at 130°C <0.5%
Chloride <0.1%
Sulphate <0.005%
Heavy metals as Pb <0.001%

Potassium Carbonate anhydrous SA
Code A7710
Standard Pack 500g 2½KG
R:22-36/37/38 S:22-26 EC:[209-529-3]
K2CO3 MW 138.21 d 0.90 CAS [584-08-7]
Assay >99.5%
Chloride <0.005%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Potassium Chlorate SA 26/ 9/08
Code A7516
Standard Pack 500g 2½KG
R:9-20/22-51/53 S:13-16-27-61 EC:[223-289-7]
KClO3 MW 122.55 d 2.30 CAS [3811-04-9]
Assay >99%
Insoluble matter <0.005%
Chloride <0.001%
Heavy metals as Pb <0.0005%

Potassium Chloride SA
Code A7728
Standard Pack 100g 500g 2½KG
EC:[231-211-8]
KCl MW 74.55 d 0.90 CAS [7447-40-7]
Assay >99.5%
pH (5% aqueous) 5.0-8.0
Loss on drying at 105°C <0.5%
Bromide <0.05%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.001%

Potassium Dichromate SA
Code A7714
Standard Pack 500g 2½KG
R:49-46-21-25-26-37/38-41-43-50/53 S:53-45-60-61 EC:[231-906-6]
K2Cr2O7 MW 294.18 d 1.00
CAS [7778-50-9]
Assay >99.8%
Loss on drying at 105°C <0.05%
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.01%

Potassium Hydrogen Carbonate SA
Code A7729
Standard Pack 500g 2½KG
EC:[206-059-0]
KHCO3 MW 100.12 d 1.60 CAS [298-14-6]
Assay >99.5%
pH (5% aqueous) 8.0-8.6
Chloride <0.005%
Heavy metals as Pb <0.001%

di-Potassium Hydrogen Phosphate 3H2O SA
Code A7471
Standard Pack 500g 2½KG
EC:[231-834-5]
K2HPO4.3H2O MW 228.22 d 0.80 CAS [16788-57-1]
Assay >99%
pH (5% aqueous) 9.0-9.4
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.005%
Adsorbs moisture from air.

Potassium di-Hydrogen Phosphate SA
Code A7739
Standard Pack 500g 2½KG 10KG
EC:[231-913-4]
KH2PO4 MW 136.09 d 0.80 CAS [7778-77-0]
Assay >99.5% Water <0.2%
pH (2% aqueous) 4.3-4.5
Loss on drying at 105°C <0.2%
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.001%

di-Potassium Hydrogen Phosphate anhydrous SA
Code A7693
Standard Pack 500g 2½KG
EC:[231-834-5]
K2HPO4 MW 174.18 d 1.20 CAS [7758-11-4]
Assay >99%
pH (10% aqueous) 9.0-9.4
Loss on drying at 130°C <1%
Chloride <0.005%
Sulphate <0.01%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Potassium Hydrogen Phthalate SA
Code A7745
Standard Pack 500g 2½KG
EC:[212-889-4]
COOHC6H4COOK MW 204.22 d 1.00
CAS [877-24-7]
Assay >99.5%
Loss on drying at 105°C <0.2%
Chloride <0.005%
Sulphate <0.05%
Heavy metals as Pb <0.001%

Potassium Hydroxide SA
pellets
Code A7756
Standard Pack 500g 2½KG
R:22-35 S:26-36/37/39-45 EC:[215-181-3]
KOH MW 56.11 d 1.20 CAS [1310-58-3]
Assay >85%
Carbonate <1%
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.001%
Rapidly adsorbs moisture and carbon dioxide from air.

Potassium Iodate SA
Code A7759
Standard Pack 100g 500g
R:8 S:17 EC:[231-831-9]
KIO3 MW 214.00
CAS [7758-05-6]
Assay >99.5%
pH (5% aqueous) 5.0-8.0
Loss on drying at 150°C <0.05%
Chloride and Bromide <0.1%
Iodide <0.005%
Heavy metals as Pb <0.001%

Potassium Iodide SA REVISED 09/02/06
Code A7768
Standard Pack 500g 2½KG
EC:[231-659-4]
KI MW 166.00
CAS [7681-11-0]
Assay >99.5%
pH (5% aqueous) 6.0-8.5
Loss on drying at 150°C <0.2%
Iodate <0.001%
Chloride and Bromide <0.01%
Sulphate <0.015%
Thiosulphate <0.005%
Heavy metals as Pb <0.001%
Slightly deliquescent in moist air.

Potassium Nitrate SA
Code A7773
Standard Pack 500g 2½KG
R:8 S:16-41 EC:[231-818-8]
KNO3 MW 101.10 d 1.00
CAS [7757-79-1]
Assay >99%
pH (5% aqueous) 5.0-8.0
Chloride <0.005%
Sulphate <0.005%
Phosphate <0.005%
Heavy metals as Pb <0.001%

Potassium Permanganate SA REVISED 11/02/08
Code A7785
Standard Pack 500g 2½KG
R:8-22-50/53 S:60-61 EC:[231-760-3]
KMnO4 MW 158.03 d 1.10 CAS [7722-64-7]
Assay >99%
Loss on drying at 105°C <0.2%
Chloride <0.005%
Sulphate <0.01%

Potassium Sodium (+)-Tartrate 4H2O SA
Code A7793
Standard Pack 500g 2½KG
EC:[205-698-2]
KNaC4H4O6.4H2O MW 282.22 d 1.20 CAS [6381-59-5]
Assay >99%
pH (5% aqueous) 7.0-8.5
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.002%
Slight efflorescence in warm air.

Potassium Thiocyanate SA
Code A7787
Standard Pack 500g 2½KG
R:20/21/22-32 S:13
KSCN MW 97.18 CAS [333-20-0]
Assay >99.0%
pH (5% aqueous) 5-9
Ammonia <0.05%
Chloride <0.05%
Cyanide <0.005%
Heavy metals as Pb <0.002%

Salicylic Acid SA
Code A7715
Standard Pack 100g 500g
R:22-41 S:26-39 EC:[200-712-3]
C6H4(OH)COOH MW 138.12 CAS [69-72-7]
Assay >99.5%
Loss on drying <0.3%
Chloride <0.005%
Sulphate <0.02%
Heavy metals as Pb <0.001%

Sand SA
acid washed
Code A7799
Standard Pack 500g 2½KGCAS [7631-86-9]
Particle size about 0.1-0.3mm
Chloride <0.005%

Silica Gel SA
self indicating
Code A7803
Standard Pack 500g 2½KG
Colour change deep orange to nearly white
Water adsorption @ 50% RH & 25°C >23%
Particle size about 1-3mm
Equivalent to BS3523, DIN55473, MIL-D-3456E
Adsorbs moisture from air.
Application: Moisture adsorption from air/gas streams and from non-polar organic liquids

Silver Nitrate SA
Code A7811
Standard Pack 25g 100g 500g
R:34-50/53 S:26-45-60-61 EC:[231-853-9]
AgNO3 MW 169.87 d 2.00
CAS [7761-88-8]
Assay >99.9%
Chloride <0.0005%
Sulphate <0.002%
Heavy metals as Pb <0.002%
Stable in air but darkens in presence of organic matter or H2S.

Silver Sulphate SA
Code A7788
Standard Pack 100g 500g
R:41 S:22-26-39 EC:[233-653-7]
Ag2SO4 MW 311.79 CAS [10294-26-5]
Assay >99.5%
Chloride <0.001%
Nitrate <0.005%
Iron <0.0005%
Store in dark.

Soda (see Sodium Carbonate)

Sodium Acetate 3H2O SA
Code A7852
Standard Pack 500g 2½KG
EC:[204-823-8]
CH3COONa.3H2O MW 136.08 d 1.00
CAS [6131-90-4]
Assay >99.5%
pH (5% aqueous) 7.5-9.2
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.001%
Substances reducing permanganate <0.005%
Heavy metals as Pb <0.001%
Efflorescent in warm air.

Sodium Acetate anhydrous SA
Code A7818
Standard Pack 500g 2½KG
EC:[204-823-8]
CH3COONa MW 82.03 d 0.90 CAS [127-09-3]
Assay >99%
pH (5% aqueous) 7.5-9.2
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Sodium Bicarbonate (see Sodium Hydrogen Carbonate)

Sodium Carbonate 10H2O SA
(Soda)
Code A7820
Standard Pack 500g 2½KG
R:36 S:22-26 EC:[207-838-8]
Na2CO3.10H2O MW 286.14 d 0.90 CAS [6132-02-1]
Assay >99%
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.001%
Efflorescent.

Sodium Carbonate anhydrous SA
Code A7865
Standard Pack 500g 2½KG
R:36 S:22-26 EC:[207-838-8]
Na2CO3 MW 105.99 d 1.20 CAS [497-19-8]
Assay >99.5%
Loss on drying at 300°C <1%
Chloride <0.005%
Sulphate <0.005%
Phosphate <0.001%
Silicate <0.002%
Heavy metals as Pb <0.001%
Hygroscopic.

Sodium Chloride SA
Code A7872
Standard Pack 500g 2½KG 5KG
EC:[231-598-3]
NaCl MW 58.44 d 1.20 CAS [7647-14-5]
Assay >99.5% Water <0.2%
Loss on drying at 130°C <0.2%
Bromide <0.005%
Iodide <0.001%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.001%

tri-Sodium Citrate 2H2O SA
Code A7848
Standard Pack 500g 2½KG
EC:[200-675-3]
Na3C6H5O7.2H2O MW 294.10 d 1.00
CAS [6132-04-3]
Assay >99%
pH (5% aqueous) 7.5-9.0
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.005%
Heavy metals as Pb <0.001%

Sodium Dichromate 2H2O SA
Code A7498
Standard Pack 500g 2½KG
R:45-46-60-61-8-21-25-26-34-42/43-48/23-50/53 S:53-45-60-61 EC:[234-190-3]
Na2Cr2O7.2H2O MW 298.00 d 1.20 CAS [7789-12-0]
Assay >99.5%
Chloride <0.005%
Sulphate <0.02%
Heavy metals as Pb <0.01%

di-Sodium Disulphite (see Sodium Metabisulphite)

Sodium Dodecyl Sulphate SA 5/ 1/07
(Sodium Lauryl Sulphate)
Code A7229
Standard Pack 100g 500g 1KG
R:22-36/37/38 S:26-28a-45 EC:[205-788-1]
CH3(CH2)11OSO3.Na MW 288.38 CAS [151-21-3]
Assay >98%
Loss on drying @ 100°C <1%
Chloride <0.02%
Heavy metals as Pb <0.005%

Sodium Fluoride SA 5/10/06
Code A7458
Standard Pack 500g 1KG
R:25-32-36/38 S:22-36-45 EC:[231-667-8]
NaF MW 41.99 d 2.80 CAS [7681-49-4]
Assay >99%
Loss on drying at 150°C <0.2%
Chloride <0.005%
Sulphate <0.01%
Heavy metals as Pb <0.001%

Sodium Hexametaphosphate SA
Code A7943
Standard Pack 500g 1KG 2½KG
EC:[233-343-1]
(NaPO3)6 MW 611.78 d 1.25 CAS [10124-56-8]
Assay >97%
pH (1% aqueous) 6.7-7.5
Fluoride <0.001%
Heavy metals as Pb <0.005%
Hygroscopic.

Sodium Hydrogen Carbonate SA
(Sodium Bicarbonate)
Code A7892
Standard Pack 500g 1KG 2½KG
EC:[205-633-8]
NaHCO3 MW 84.01 d 1.00
CAS [144-55-8]
Assay >99.5%
Chloride <0.01%
Sulphate <0.01%
Heavy metals as Pb <0.001%

di-Sodium Hydrogen Phosphate 12H2O SA
(Sodium Phosphate dibasic)
Code A7357
Standard Pack 500g 2½KG
EC:[231-448-7]
Na2HPO4.12H2O MW 358.14 d 1.00
CAS [10039-32-4]
Assay >99.5%
pH (5% aqueous) 9.0-9.3
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.001%
Efflorescent.

Sodium di-Hydrogen Phosphate 2H2O SA
(Sodium Phosphate monobasic)
Code A7884
Standard Pack 500g 2½KG
EC:[231-449-2]
NaH2PO4.2H2O MW 156.01 d 1.50 CAS [13472-35-0]
Assay >98%
Chloride <0.01%
Sulphate <0.05%
Heavy metals as Pb <0.001%
Slightly deliquescent.

di-Sodium Hydrogen Phosphate anhydrous SA
(Sodium Phosphate dibasic)
Code A7823
Standard Pack 500g 2½KG
EC:[231-448-7]
Na2HPO4 MW 141.96 d 1.00
CAS [7558-79-4]
Assay >99%
pH (5% aqueous) 8.7-9.3
Loss on drying at 105°C <0.2%
Chloride <0.001%
Sulphate <0.005%
Heavy metals as Pb <0.001%
Hygroscopic.

Sodium Hydroxide SA
pellets
Code A7906
Standard Pack 500g 1KG 2½KG
R:35 S:26-37/39-45 EC:[215-185-5]
NaOH MW 40.00
CAS [1310-73-2]
Assay >98%
Carbonate <1%
Chloride <0.001%
Sulphate <0.005%
Phosphate <0.001%
Heavy metals as Pb <0.001%
Rapidly adsorbs moisture and carbon dioxide from air.

Sodium Lauryl Sulphate (see Sodium Dodecyl Sulphate)

Sodium Metabisulphite SA
(di-Sodium Disulphite)
Code A7917
Standard Pack 500g 2½KG
R:22-31-41 S:26-39-46 EC:[231-673-0]
Na2S2O5 MW 190.10 d 1.20 CAS [7681-57-4]
Assay >98%
Chloride <0.005%
Thiosulphate <0.05%
Heavy metals as Pb <0.001%
Very slowly oxidised in air to bisulphate.

Sodium Nitrite SA
Code A7921
Standard Pack 500g 2½KG
R:8-25-50 S:45-61 EC:[231-555-9]
NaNO2 MW 69.00
CAS [7632-00-0]
Assay >99%
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.001%
Very slowly oxidised in air to nitrate.

di-Sodium Peroxodisulphate (see Sodium Persulphate)

Sodium Persulphate SA
(di-Sodium Peroxodisulphate)
Code A7420
Standard Pack 500g 2½KG
R:8-22-36/37/38-42/43 S:22-24-26-37 EC:[231-892-1]
Na2S2O8 MW 238.09 CAS [7775-27-1]
Assay >99% Water <0.1%
pH (1% aqueous) <6.9
Chloride <0.0005%
Heavy metals as Pb <0.0005%
Gradually decomposes by moisture and elevated temperature.

tri-Sodium Phosphate 12H2O SA
(Sodium Phosphate tribasic)
Code A7553
Standard Pack 500g 2½KG
S:24/25-26 EC:[231-509-8]
Na3PO4.12H2O MW 380.12 d 0.80 CAS [10101-89-0]
Assay >98%
Free alkali as NaOH <2.5%
Chloride <0.01%
Sulphate <0.01%
Heavy metals as Pb <0.001%

Sodium Phosphate dibasic (see di-Sodium Hydrogen Phosphate)

Sodium Phosphate monobasic (see Sodium di-Hydrogen Phosphate)

Sodium Phosphate tribasic (see tri-Sodium Phosphate)

Sodium Sulphate anhydrous SA 12/11/08
granules
Code A7746
Standard Pack 500g 1KG 2½KG 10KG
EC:[231-820-9]
Na2SO4 MW 142.04
CAS [7757-82-6]
Assay >99%
pH (5% aqueous) 5.2-9.2
Insoluble matter <0.01%
Chloride <0.001%
Heavy metals as Pb <0.0005%
Adsorbs moisture from air.
Application: Drying agent for solvents and gases

Sodium Sulphate anhydrous SA
powder
Code A7929
Standard Pack 500g 1KG 2½KG 10KG
EC:[231-820-9]
Na2SO4 MW 142.04 d 1.70 CAS [7757-82-6]
Assay >99%
pH (5% aqueous) 5.0-8.0
Chloride <0.005%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Sodium Sulphite anhydrous SA
Code A7887
Standard Pack 500g 2½KG
EC:[231-821-4]
Na2SO3 MW 126.04 d 1.70 CAS [7757-83-7]
Assay >98%
Chloride <0.02%
Thiosulphate <0.05%
Heavy metals as Pb <0.001%
Adsorbs moisture from air.

Sodium (+)-Tartrate 2H2O SA
Code A7041
Standard Pack 500g 2½KG
EC:[212-773-3]
Na2C4H4O6.2H2O MW 230.08 CAS [6106-24-7]
Assay on anhydrous material >99%
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.001%

di-Sodium Tetraborate 10H2O SA
(Borax)
Code A7834
Standard Pack 500g 2½KG
R:22 S:24/25 EC:[215-540-4]
Na2B4O7.10H2O MW 381.37 d 0.60 CAS [1303-96-4]
Assay >99.5%
pH (5% aqueous) 9.0-9.6
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.005%
Efflorescent in dry air.

Sodium Thiosulphate 5H2O SA
Code A7933
Standard Pack 500g 1KG 2½KG
EC:[231-867-5]
Na2S2O3.5H2O MW 248.17 d 1.30 CAS [10102-17-7]
Assay >99.5%
pH (5% aqueous) 6.0-8.5
Chloride <0.01%
Sulphate and Sulphite <0.1%
Sulphide <0.001%
Heavy metals as Pb <0.001%
Efflorescent in warm dry air and slighly deliquescent in moist air.

Sucrose SA
Code A7963
Standard Pack 500g 2½KG
EC:[200-334-9]
C12H22O11 MW 342.30 d 1.00
CAS [57-50-1]
Specific rotation (10% aqueous) +66.2° to +66.8°
Chloride <0.005%
Sulphate <0.005%
Heavy metals as Pb <0.001%

Sulphamic Acid SA
(Amidosulphonic Acid)
Code A7954
Standard Pack 500g 2½KG
R:36/38-52/53 S:26-28a-61 EC:[226-218-8]
NH2SO3H MW 97.09 d 1.80 CAS [5329-14-6]
Assay >99.5%
Chloride <0.005%
Sulphate <0.1%
Heavy metals as Pb <0.001%
Decomposes in presence of moisture.

Trichloroacetic Acid SA
Code A7967
Standard Pack 100g 500g 1KG
R:35-50/53 S:26-36/37/39-45-60-61 EC:[200-927-2]
CCl3COOH MW 163.39 d 1.00
CAS [76-03-9]
Assay >99.5%
Loss on drying <1%
Chloride <0.005%
Sulphate <0.05%
Very deliquescent.

TRIS, TRIS Buffer (see Tris(hydroxymethyl)methylamine)

Tris(hydroxymethyl)methylamine SA
(2-Amino-2-(hydroxymethyl)propan-1,3-diol, TRIS, TRIS Buffer)
Code A7937
Standard Pack 100g 500g
R:36/38 EC:[201-064-4]
NH2C(CH2OH)3 MW 121.14 d 1.00
CAS [77-86-1]
Assay >99.8% Water <0.1%
Sulphated ash <0.01%
Chloride <0.001%
Sulphate <0.001%
Heavy metals as Pb <0.0001%
Application: Biological Buffer pKa 8.3

Urea SA
Code A7972
Standard Pack 500g 2½KG
EC:[200-315-5]
NH2CONH2 MW 60.06 d 0.70 CAS [57-13-6]
Assay >99.5%
Loss on drying at 105°C <0.5%
Sulphated ash <0.01%
Chloride <0.001%
Sulphate <0.001%
Heavy metals as Pb <0.001%
Slowly decomposes to ammonia.

Zinc Chloride SA REVISED 15/10/08
Code A7851
Standard Pack 500g 2½KG
R:22-34-50/53 S:26-36/37/39-45-60-61 EC:[231-592-0]
ZnCl2 MW 136.29 d 1.60 CAS [7646-85-7]
Assay >98%
pH (10% aqueous) 4.6-5.5
Sulphate <0.005%
Heavy metals as Pb <0.002%

Zinc Sulphate 7H2O SA REVISED 15/10/08
Code A7990
Standard Pack 500g 2½KG
R:36/38-50/53 S:22-25-60-61 EC:[231-793-3]
ZnSO4.7H2O MW 287.55 d 1.00
CAS [7446-20-0]
Assay >99.5%
pH (5% aqueous) 4.4-6.0
Chloride <0.001%
Heavy metals as Pb <0.002%
Efflorescent in dry air.

Last updated 12 November 2008