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Sodium thiosulfate

Sodium thiosulfate

EMPLURA®.
CAS 7772-98-7
pH 6.0 - 8.5 (50 g/l, H₂O, 20 °C).
Code: 1065120250
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EMPLURA®. CAS 7772-98-7 pH 6.0 - 8.5 (50 g/l, H₂O, 20 °C).

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
7772-98-7 231-867-5 Na₂O₃S₂ 158.11 g/mol
Description
Catalogue Number 106512
Synonyms Antichlor
Product Information
CAS number 7772-98-7
EC number 231-867-5
Hill Formula Na₂O₃S₂
Molar Mass 158.11 g/mol
HS Code 2832 30 00
Applications
Application Sodium thiosulfate anhydrous anhydrous EMPLURA®. CAS 7772-98-7, pH 6.0 - 8.5 (50 g/l, H₂O, 20 °C). MSDS and product info below.
Physicochemical Information
Density 1.67 g/cm3 (20 °C)
pH value 6.0 - 8.5 (50 g/l, H₂O, 20 °C)
Bulk density 1350 kg/m3
Solubility 701 g/l
Toxicological Information
LD 50 oral LD50 Rat > 5000 mg/kg
Safety Information according to GHS
Storage class 10 - 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
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
Storage Store at +5°C to +30°C.
Specifications
Assay (iodometric) ≥ 97.0 %
Identity passes test
pH-value (5 %; water) 6.0 - 8.5
Sulphide (S) ≤ 0.002 %
Heavy metals (as Pb) ≤ 0.005 %
Fe (Iron) ≤ 0.005 %
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