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Sodium Disulfite (USP-NF, BP, Ph. Eur.) pure, pharma grade

Sodium Metabisulphite, Sodium Pyrosulphite

Assay (as SO2) (Iodom.): 65.0-67.4 %
Code
141698
CAS
7681-57-4
Molecular Formula
Na2S2O5
Molar mass
190.10 g/mol

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Box prices only valid with purchase of full box.

code packaging size price per unit box price per unit
Code & packaging Price per piece
141698.1211
code
141698.1211
packaging size
1000 g
price per unit
single 37,10€
box price per unit
31,54€x 6 units
141698.1214
code
141698.1214
packaging size
5 kg
price per unit
single 144,40€
box price per unit
122,74€x 4 units
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
  • GHS05 Hazard
  • GHS07 Hazard
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:
28321000
Index Nr.:
016-063-00-2
Download TDS file for complete specifications