Sodium Thiosulfate Pentahydrate.

Volume : x 500 g

Key Features

- Synonyms: Antichlor
- Na2S2O3·5H2O
- M = 248,18 g/mol
- CAS [10102-17-7]
- EINECS-No.: 231-867-5
- Solub. in water: (20 ºC): 680 g/l
- Melting point: 48,5 ºC
- LD 50 (oral, rat): > 8000 mg/kg
- Tariff number: 2832 30 00 00
- Applications: analytical chemistry, titrant in volumetric analysis (iodometric analyses), photography, laboratory reagent, for determination of: cobalt, hydrocyanic acid, quinine.

Specifications:

• assay (iodometric, referred to dried sample): 99,0 - 100,5 %
• assay (iodometric): 99,0 - 101,0 %
• Identification A (EP): passes test
• identification B (EP): passes test
• Identification C (EP): passes test
• Identification sodium: passes test
• Identification IR: passes test
• appearance of solution: passes test
• pH (10 %, H2O): 6,0 - 8,4
• sulfates and sulfites (as SO4): max. 0,2 %
• sulfides (S): passes test
• calcium (Ca): passes test
• water content: 32,0 - 37,0 %

Sodium Thiosulfate Pentahydrate.

Volume : x 500 g

Key Features

- Synonyms: Antichlor
- Na2S2O3·5H2O
- M = 248,18 g/mol
- CAS [10102-17-7]
- EINECS-No.: 231-867-5
- Solub. in water: (20 ºC): 680 g/l
- Melting point: 48,5 ºC
- LD 50 (oral, rat): > 8000 mg/kg
- Tariff number: 2832 30 00 00
- Applications: analytical chemistry, titrant in volumetric analysis (iodometric analyses), photography, laboratory reagent, for determination of: cobalt, hydrocyanic acid, quinine.

Specifications:

• assay (iodometric, referred to dried sample): 99,0 - 100,5 %
• assay (iodometric): 99,0 - 101,0 %
• Identification A (EP): passes test
• identification B (EP): passes test
• Identification C (EP): passes test
• Identification sodium: passes test
• Identification IR: passes test
• appearance of solution: passes test
• pH (10 %, H2O): 6,0 - 8,4
• sulfates and sulfites (as SO4): max. 0,2 %
• sulfides (S): passes test
• calcium (Ca): passes test
• water content: 32,0 - 37,0 %