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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

Recommended prices only. To see your prices login or contact your local distributor.
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 $47,85
box price per unit
$40,67x 6 units
141698.1214
code
141698.1214
packaging size
5 kg
price per unit
single $143,10
box price per unit
$121,64x 4 units
141698.0416
code
141698.0416
packaging size
25 kg
price per unit box price per unit
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%
Heavy metals (as Pb): 0.002%
As: 0.00015 %
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