Sodium formaldehydesulfoxylate dihydrate
Synonym(s):Rongalite;Sodium formaldehydesulfoxylate
- CAS NO.:6035-47-8
- Empirical Formula: CH7NaO4S
- Molecular Weight: 138.11
- MDL number: MFCD00040426
- EINECS: 611-965-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-15 19:19:13
What is Sodium formaldehydesulfoxylate dihydrate?
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.
The Uses of Sodium formaldehydesulfoxylate dihydrate
Pharmaceutic aid (preservative).
The Uses of Sodium formaldehydesulfoxylate dihydrate
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.
Properties of Sodium formaldehydesulfoxylate dihydrate
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) |
Safety information for Sodium formaldehydesulfoxylate dihydrate
Signal word | Warning |
Pictogram(s) |
Health Hazard GHS08 |
GHS Hazard Statements |
H341:Germ cell mutagenicity |
Precautionary Statement Codes |
P201:Obtain special instructions before use. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for Sodium formaldehydesulfoxylate dihydrate
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