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Sodium Formaldehyde Sulfoxylate x-hydrate (USP-NF) pure, pharma grade

Formaldehyde Sodium Sulphoxylate, Hydroxymethanesulphinic Acid Sodium Salt, Rongalit

Assay (as SO2) (Iodom.) (calc. a.a.s): 45.5-54.5 %
Code
143289
CAS
149-44-0
Molecular Formula
CH3NaO3S.xH2O
Molar mass
118.09 (anh) g/mol
Solubility:
water 680 g/l at 20 °C
Physical Description:
solid
Product Code:
143289
Product Name:
Sodium Formaldehyde Sulfoxylate x-hydrate (USP-NF) pure, pharma grade
Quality Name:
pure, pharma grade
Specifications:
Assay (as SO2) (Iodom.) (calc. a.a.s): 45.5-54.5 %
Identity according to Pharmacopoeias:: passes test
pH sol. 2%: 9.5-10.5

Maximum limit of impurities
Alkalinity: 0.35 meq/g
Insoluble matter in H2O: 0.05 %
Loss on drying at 105°C: 27.0%
Sulfide: passes test
Clarity and appearance of solution: passes test
Residual solvents (Ph.Eur/USP): passes test
Sodium sulphite (as Na2SO3) calc. a.a.s.: 5.0%
Fe: 0.0025 %
Hazard pictograms
  • GHS08 Hazard
WGK:
1
Storage:
Room Temperature.
Signal Word:
Warning
GHS Symbols:
GHS08
H Phrases:
H341
H413
EUH031
P Phrases:
P201
P202
P281
P308+P313
P405
P501
Master Name:
Sodium Formaldehyde Sulphoxylate x-hydrate
Synonyms Long Text:
Formaldehyde Sodium Sulphoxylate, Hydroxymethanesulphinic Acid Sodium Salt, Rongalit
EINECS:
205-739-4
CS:
28311000
Download TDS file for complete specifications