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Sodium formaldehydesulfoxylate dihydrate

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Sodium formaldehydesulfoxylate dihydrate Basic information

Product Name:
Sodium formaldehydesulfoxylate dihydrate
Synonyms:
  • Sodium dihydrate hydroxymethanesulfinate
  • Formaldehyde Sodium Sulfoxylat
  • Sodium formaldehydesulfoxylate hydrate (stabilised with sodium carbonate) for synthesis
  • Methanesulfinicacid,hydroxy-,monosodiumsalt,dihydrate
  • Sodiumformaldehydesulfoxylat
  • SODIUM FORMALDEHYDE SULPHOXYLATE
  • SODIUM HYDROXYMETHANESULFINATE DIHYDRATE
  • HYDROXYMETHANESULFINIC ACID SODIUM SALT DIHYDRATE
CAS:
6035-47-8
MF:
CH7NaO4S
MW:
138.11
EINECS:
611-965-8
Product Categories:
  • INORGANIC & ORGANIC CHEMICALS
  • printingn raw material
Mol File:
6035-47-8.mol
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Sodium formaldehydesulfoxylate dihydrate Chemical Properties

Melting point:
64-68 °C(lit.)
Density 
1.8 g/cm3 (20℃)
vapor pressure 
2.68 hPa (20 °C)
storage temp. 
Store below +30°C.
solubility 
alcohol: slightly soluble(lit.)
form 
powder to crystal
color 
White to Almost white
PH
9.5-10.5 (100g/l, H2O, 20℃)
CAS DataBase Reference
6035-47-8(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
31-68
Safety Statements 
24/25-36/37
WGK Germany 
3
RTECS 
PB0390000
HS Code 
28311000
Toxicity
LD50 orally in Rabbit: 6400 mg/kg

MSDS

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Sodium formaldehydesulfoxylate dihydrate Usage And Synthesis

Chemical Properties

white crystalline powder

Chemical Properties

When freshly prepared, sodium formaldehyde sulfoxylate occurs as white, odorless crystals, which quickly develop a characteristic garlic odor on standing.

Uses

Pharmaceutic aid (preservative).

Uses

Sodium hydroxymethanesulfinate dihydrate is a versatile reagent that can be used for a wide range of organic transformations such as:

  • A SO2-2anion source for the preparation of sulfones and sultines.
  • Debromination of vicinal dibromoalkanes.
  • Reductive dehalogenation of aldehydes and ketones.

Production Methods

Sodium formaldehyde sulfoxylate is manufactured from sodium dithionate and formaldehyde in water.

General Description

Oxidation reation of hydroxymethanesulfinic acid with chlorite has been studied in the pH range 4-8. It is a sulfur-containing reducing agent.

Pharmaceutical Applications

Sodium formaldehyde sulfoxylate is a water-soluble antioxidant and is generally used as the dihydrate. It is used in the formulation of injection products at a level of up to 0.1% w/v in the final preparation administered to the patient.

Safety

The toxicological properties of sodium formaldehyde sulfoxylate have not been fully investigated. However, it is used in the formulation of injection products at a level to 0.1% w/v in the final preparation administered to the patient.
Sodium formaldehyde sulfoxylate is moderately toxic by ingestion, and when heated to decomposition it emits toxic fumes of sulfur dioxide and sodium oxide.
LD50 (mouse, oral): 4 g/kg
LD50 (rat, IP): >2 g/kg
LD50 (rat, oral): >2 g/kg

storage

Store in well-closed, light-resistant containers at controlled room temperature (15–30℃).

Incompatibilities

Sodium formaldehyde sulfoxylate is incompatible with strong oxidizing agents; it is decomposed by dilute acid.

Regulatory Status

Included in the FDA Inactive Ingredients Database (parenteral products up to 0.1% via the IM, IV, and SC routes). Included in the Canadian List of Acceptable Non-medicinal Ingredients.

Sodium formaldehydesulfoxylate dihydrate Preparation Products And Raw materials

Preparation Products

Raw materials

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