Sodium Arsenite
- CAS Number
- -
- HSN Code
- 38229090
- Molecular Formula
- NaAsO2
- Catalogue Number
- AL1348B
- Purity
- 99.0% min
- Molecular Weight
- 129.91 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium arsenite is a highly toxic inorganic compound that serves as a standardized solution for precise volumetric analysis. This 0.05M (0.1N) solution is prepared to ensure accuracy in analytical chemistry applications, particularly in titrations where a reducing agent is required. Sodium arsenite is notable for its role in various chemical reactions and its use in laboratories for quantitative analysis. Due to its toxicity, it is essential to handle this compound with care, following all safety protocols.
Also known as Sodium arsenite solution, Arsenous acid sodium salt.
- Catalogue No.
- AL1348B
- CAS Number
- -
- Molecular Formula
- NaAsO2
- Molecular Weight
- 129.91 g/mol
- HSN Code
- 38229090
- Grade
- 0.05M (0.1N) Standardized Solution
- Product Form
- Substance
The solution is a clear, colorless liquid with a density of 1.005 g/mL. It has a boiling point of approximately 100 °C (212 °F) and is soluble in water, making it suitable for use in aqueous solutions. The pH of the solution is typically around 7, indicating neutrality. Sodium arsenite does not have a distinct odor, which can sometimes lead to underestimation of its hazardous nature. It is important to note that the solution should be stored in a cool, dry place away from incompatible materials.
- Appearance
- Clear, colorless liquid
- Shelf Life
- -
- Packaging
- Typically packaged in glass or high-density polyethylene (HDPE) bottles to prevent contamination and degradation.
- Storage
- Store in a cool, dry place, away from light and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Sodium Arsenite
- Catalogue No.
- AL1348B
- Product form
- Substance
- CAS Number
- Not applicable
- EC Number
- Not applicable
- Grade
- 0.05M (0.1N) Standardized Solution
- EC Index Number
- Not applicable
- Chemical Formula
- NaAsO2
- HSN Code
- 38229090
- Synonyms
- Sodium arsenite solution, Arsenous acid sodium salt
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a reducing agent in volumetric analysis
- 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
- Highly toxic and a known human carcinogen; may cause cancer and other health effects upon exposure.
3.1 — Substance
- Name
- Sodium Arsenite
- CAS No.
- Not applicable
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Wash skin thoroughly with soap and water. Remove contaminated clothing. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include headache, dizziness, nausea, vomiting, abdominal pain, and respiratory distress.
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, but may emit toxic fumes in a fire.
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
- Evacuate area and ventilate. Wear appropriate protective equipment. Contain spill and absorb with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect and dispose of in accordance with local regulations. Avoid release into the environment.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle with care, using appropriate personal protective equipment (PPE) including gloves, goggles, and lab coats. Avoid inhalation and skin contact.
- 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 such as strong oxidizers.
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 exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Approximately 7
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- Not applicable
- Freezing point
- Not applicable
- Boiling point
- Approximately 100 °C (212 °F)
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Not applicable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.005 g/mL
- 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, but may react with 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, acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; LD50 (oral, rat) is approximately 14 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause sensitization by skin contact.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause damage to organs through prolonged or repeated exposure.
- 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)
- Sodium arsenite solution
- Proper Shipping Name (IMDG)
- Sodium arsenite solution
- Proper Shipping Name (IATA)
- Sodium arsenite solution
- Proper Shipping Name (ADN)
- Sodium arsenite solution
- Proper Shipping Name (RID)
- Sodium arsenite solution
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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 arsenite is primarily used as a certified standardized reducing titrant in volumetric analysis, particularly in the determination of oxidizing agents. It is widely utilized in laboratories for analytical chemistry, environmental testing, and quality control processes. Additionally, sodium arsenite has applications in the synthesis of other arsenic compounds and in the study of chemical kinetics. Its role in titrations makes it invaluable in various industries, including pharmaceuticals, food safety testing, and chemical manufacturing.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1348B
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 129.91 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99.0% min | 99.5% |
| pH | Approximately 7 | 7.0 |
| Density | 1.005 g/mL | 1.005 g/mL |
| Moisture Content | 0.5% max | 0.3% |
| Residue on Ignition | 0.1% max | 0.05% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 0.05M (0.1N) Standardized Solution grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 0.05M (0.1N) | 99.0% min | Not applicable | 0.5% max | 0.1% max | None detected | Completely soluble in water |
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