Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

106512 Sodium thiosulfate

106512
Purchase on Sigma-Aldrich

Overview

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
7772-98-7231-867-5Na₂O₃S₂158.10 g/mol

Products

Catalogue NumberPackaging Qty/Pack
1065120250 Plastic bottle 250 g
1065122500 Plastic bottle 2.5 kg
1065129025 Fibre carton 25 kg
1065129050 Fibre carton 50 kg
Description
Catalogue Number106512
SynonymsAntichlor
Product Information
CAS number7772-98-7
EC number231-867-5
Hill FormulaNa₂O₃S₂
Molar Mass158.10 g/mol
HS Code2832 30 20
Quality LevelMQ200
Physicochemical Information
Density1.667 g/cm3 (20 °C)
Melting Point48 °C
pH value6.0 - 9.5 (50 g/l, H₂O, 20 °C)
Bulk density1350 kg/m3
Solubility701 g/l
Toxicological Information
LD 50 oralLD50 Rat > 5000 mg/kg
Safety Information according to GHS
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Specifications
Assay (iodometric)≥ 97.0 %
Identitypasses test
pH-value (5 %; water)6.0 - 9.5
Sulphide (S)≤ 0.002 %
Fe (Iron)≤ 0.005 %
Heavy metals (as Pb)≤ 0.005 %
Global Trade Item Number
Catalogue Number GTIN
1065120250 04027269068400
1065122500 04022536077895
1065129025 04027269158118
1065129050 04022536077918