Packs sizes (2)
Technical data
- Solubility:
- water 470 g/l at 20 °C
- Physical Description:
- solid
- Product Code:
- 141698
- Product Name:
- Sodium Disulfite (USP-NF, BP, Ph. Eur.) pure, pharma grade
- Quality Name:
- pure, pharma grade
- Specifications:
- Assay (as SO2) (Iodom.): 65.0-67.4 %
Assay (Na2S2O5) (Iodom.): 96.5-100.0%
Identity according to Pharmacopoeias:: passes test
pH of 5% solution: 3.5-5.0
Maximum limit of impurities
Appearance of solution: passes test
Insoluble matter in H2O: 0.025 %
Chloride (Cl): 0.02%
Residual solvents (Ph.Eur/USP): passes test
Thiosulfate (BP): passes test
Thiosulfate (S2O3): 0.05%
Fe: 0.002 %
- Hazard pictograms
-
- WGK:
- 1
- Storage:
- Storage away from direct light.
- Signal Word:
- Danger
- GHS Symbols:
- GHS07
GHS05
- H Phrases:
- H302
EUH031
H318
- P Phrases:
- P264
P270
P280
P301+P312
P305+P351+P338
P310
P330
P501
- Master Name:
- Sodium Disulphite
- Synonyms Long Text:
- Sodium Metabisulphite, Sodium Pyrosulphite
- EINECS:
- 231-673-0
- CS:
- 2832 10 00 00
- Index Nr.:
- 016-063-00-2