Sodium Formaldehyde Sulfoxylate Dihydrate
- CAS Number
- 6035-47-8
- HSN Code
- 28311020
- Molecular Formula
- CH3NaO3S·2H2O
- Catalogue Number
- AL1376C
- Purity
- ≥ 98%
- Molecular Weight
- 154.12 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium formaldehyde sulfoxylate dihydrate is a strong reducing agent widely used in various industrial applications, particularly in the textile industry. It is known for its effectiveness as a discharging and stripping agent in textile dyeing processes, allowing for the removal of color from fabrics. This compound is characterized by its molecular formula CH3NaO3S·2H2O and a molecular weight of 154.12 g/mol. Its unique properties make it a valuable reagent in organic synthesis, where it serves as a mild reducing agent, facilitating various chemical reactions.
Also known as Formaldehyde sulfoxylate sodium salt, Sodium hydroxymethylsulfonate.
- Catalogue No.
- AL1376C
- CAS Number
- 6035-47-8
- Molecular Formula
- CH3NaO3S·2H2O
- Molecular Weight
- 154.12 g/mol
- HSN Code
- 28311020
- Grade
- Dihydrate
- Product Form
- Substance
Sodium formaldehyde sulfoxylate dihydrate appears as a white crystalline powder with a faint sulfurous odor. It is highly soluble in water, making it easy to incorporate into aqueous solutions for various applications. The melting point of the dihydrate is approximately 60-70 °C, and it has a boiling point of around 100 °C when dissolved in water. The density of the compound is about 1.5 g/cm³, and it has a pH value in solution of approximately 6-8, indicating its mild acidity. The compound does not have significant volatility under standard conditions, which contributes to its stability during storage and handling.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- 25 kg bags
- Storage
- Store in a cool, dry place away from direct sunlight.
1.1 — Product identifier
- Chemical Name
- Sodium Formaldehyde Sulfoxylate Dihydrate
- Catalogue No.
- AL1376C
- Product form
- Substance
- CAS Number
- 6035-47-8
- EC Number
- 227-185-0
- Grade
- Dihydrate
- EC Index Number
- Not applicable
- Chemical Formula
- CH3NaO3S·2H2O
- HSN Code
- 28311020
- Synonyms
- Formaldehyde sulfoxylate sodium salt, Sodium hydroxymethylsulfonate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Reducing agent in textile dyeing and organic synthesis
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- None identified
3.1 — Substance
- Name
- Sodium Formaldehyde Sulfoxylate Dihydrate
- CAS No.
- 6035-47-8
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
- First-aid measures after ingestion
- Rinse mouth. Do not induce vomiting. Seek medical attention if symptoms occur.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of eyes, skin, and respiratory tract may occur upon exposure.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable; however, may emit toxic fumes when heated.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and collect using appropriate methods. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment. Sweep up and place in a suitable container for disposal.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use in a well-ventilated area.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if dust is generated.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Faint sulfurous
- Odour threshold
- Not applicable
- pH value
- 6-8 (in solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 60-70 °C
- Freezing point
- Not applicable
- Boiling point
- 100 °C (in solution)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.5 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not applicable
- Oxidising properties
- Not applicable
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid strong oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; LD50 (oral, rat) > 2000 mg/kg.
- Skin corrosion/irritation
- May cause mild irritation.
- Serious eye damage/irritation
- May cause mild irritation.
- Respiratory or skin sensitisation
- Not a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- Not classified as a specific target organ toxicant.
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- Not assigned
- UN-No. (IMDG)
- Not assigned
- UN-No. (IATA)
- Not assigned
- UN-No. (ADN)
- Not assigned
- UN-No. (RID)
- Not assigned
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Not classified as dangerous goods
- Proper Shipping Name (IMDG)
- Not classified as dangerous goods
- Proper Shipping Name (IATA)
- Not classified as dangerous goods
- Proper Shipping Name (ADN)
- Not classified as dangerous goods
- Proper Shipping Name (RID)
- Not classified as dangerous goods
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not applicable
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Sodium formaldehyde sulfoxylate dihydrate is primarily utilized in the textile industry as a color-discharging and reducing agent, allowing for the effective removal of dyes from fabrics during the dyeing process. Additionally, it finds applications in organic synthesis as a mild reducing agent, where it is used to reduce various functional groups in organic compounds. This compound is also employed in the production of certain pharmaceuticals and in the formulation of various chemical products, including photographic developers and hair care products. Its versatility and effectiveness make it a crucial component in many industrial processes.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1376C
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 154.12 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 99.5% |
| Moisture Content | ≤ 5% | 3.2% |
| Residue on Ignition | ≤ 1% | 0.5% |
| pH Value | 6-8 | 7.0 |
| Solubility | Soluble in water | Fully soluble |
The above product is expected to comply with Dihydrate grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Dihydrate | ≥ 98% | 60-70 °C | ≤ 5% | ≤ 1% | None detected | Soluble in water |
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