Sodium Sulfate
- CAS Number
- 7757-82-6
- HSN Code
- 28331100
- Molecular Formula
- Na2SO4
- Catalogue Number
- AL4274
- Purity
- 99.5%
- Molecular Weight
- 142.04 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium sulfate is an inorganic sodium salt.
Also known as Glauber's salt (anhydrous).
- Catalogue No.
- AL4274
- CAS Number
- 7757-82-6
- Molecular Formula
- Na2SO4
- Molecular Weight
- 142.04 g/mol
- HSN Code
- 28331100
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
Melting point: 884 °C; Density: 2.671; Solubility: In water, 28.1 g/100 g water at 25 °C.
- Appearance
- Powder or orthorhombic bipyramidal crystals
- Shelf Life
- -
- Packaging
- Available in: 500 gm plastic bottle, 5 Kg plastic container
- Storage
- Keep container tightly closed in a dry and well-ventilated place. Hygroscopic.
1.1 — Product identifier
- Chemical Name
- Sodium Sulfate
- Catalogue No.
- AL4274
- Product form
- Substance
- CAS Number
- 7757-82-6
- EC Number
- 231-820-9
- Grade
- AR (Analytical Reagent)
- EC Index Number
- Not specified
- Chemical Formula
- Na2SO4
- HSN Code
- 28331100
- Synonyms
- Glauber's salt (anhydrous)
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a drying agent and reference compound in laboratory research.
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Not classified as hazardous (majority of notifications to the ECHA C&L Inventory)
- Classification source
- ECHA C&L Inventory via PubChem CID 24436 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- None required
- Signal word
- None
- Hazard statements
- None
2.3 — Other hazards
- Other hazards
- Hygroscopic; may absorb moisture from the air.
3.1 — Substance
- Name
- Sodium Sulfate
- CAS No.
- 7757-82-6
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
- May cause mild irritation to skin, eyes, and respiratory tract.
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
- Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable; however, may decompose at high temperatures to produce toxic fumes.
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. Avoid dust generation.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: particulate filter respirator adapted to the airborne concentration of the substance. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid inhalation of dust and 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
- Keep container tightly closed in a dry and well-ventilated place. Hygroscopic.
8.2 — Exposure controls
- Hand protection
- Handle with gloves.
- Eye protection
- Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
- 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
- Odorless
- Odour threshold
- Not applicable
- pH value
- 7 (in solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 884 °C
- Freezing point
- Not applicable
- Boiling point
- 1465 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 2.671
- Solubility
- In water, 28.1 g/100 g water at 25 °C
- 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 contact with strong acids and bases.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating. This produces sulfur oxides and sodium oxides.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits toxic fumes of sulfur oxides and sodium oxide.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Mouse oral 5,989 mg/kg; LD50 Rabbit percutaneous > 4.0 g/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- Not classified (based on available data)
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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 Sulfate
- Proper Shipping Name (IMDG)
- Sodium Sulfate
- Proper Shipping Name (IATA)
- Sodium Sulfate
- Proper Shipping Name (ADN)
- Sodium Sulfate
- Proper Shipping Name (RID)
- Sodium Sulfate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not classified as hazardous for transport
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 sulfate is widely used in various industries, particularly in laboratories as an analytical-grade drying agent and reference compound. It is employed in the preparation of glass, textiles, and detergents, and serves as a filler in some applications. In analytical chemistry, it is used to dry organic solvents and as a standard in various titrations. Additionally, sodium sulfate is utilized in the production of sodium sulfide and other sodium compounds, making it a versatile chemical in both research and industrial settings.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1423A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 142.04 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (Purity) | 99.5% min | 99.7% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Solubility | 28.5 g/100 mL | 28.0 g/100 mL |
The above product is expected to comply with AR (Analytical Reagent) grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR | 99.5% | m.p. 884 °C | <0.5% | <0.1% | None detected | In water, 28.1 g/100 g water at 25 °C |
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