Potassium Sulfate
- CAS Number
- 7778-80-5
- HSN Code
- 31043000
- Molecular Formula
- K2SO4
- Catalogue Number
- AL1264A
- Purity
- 99%
- Molecular Weight
- 174.27 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
POTASSIUM SULPHATE 99% AR is a high-purity analytical reagent known for its precise composition and reliability in laboratory applications. This compound, with the CAS number 7778-80-5, is essential in various chemical analyses and is widely used in research settings. Its AR (Analytical Reagent) grade indicates that it meets stringent purity standards, making it suitable for sensitive analytical procedures. Potassium sulfate is a white crystalline solid that plays a significant role in various chemical reactions and processes, particularly in the fields of agriculture, pharmaceuticals, and analytical chemistry.
Also known as Sulfate of Potash, Kalium Sulfate.
- Catalogue No.
- AL1264A
- CAS Number
- 7778-80-5
- Molecular Formula
- K2SO4
- Molecular Weight
- 174.27 g/mol
- HSN Code
- 31043000
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
POTASSIUM SULPHATE 99% AR appears as a white crystalline powder. It has a melting point of 840 °C and a boiling point of 1,664 °C. The compound is highly soluble in water, with a solubility of approximately 111 g/L at 20 °C. It has a density of 2.66 g/cm³. The compound is odorless and does not exhibit any significant volatility under standard conditions. Its hygroscopic nature allows it to absorb moisture from the air, which should be considered during storage.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg polyethylene bags
- Storage
- Store in a cool, dry place away from moisture and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Potassium Sulfate
- Catalogue No.
- AL1264A
- Product form
- Substance
- CAS Number
- 7778-80-5
- EC Number
- 231-915-5
- Grade
- AR
- EC Index Number
- 7778-80-5
- Chemical Formula
- K2SO4
- HSN Code
- 31043000
- Synonyms
- Sulfate of Potash, Kalium Sulfate
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Analytical reagent, fertilizer, and in chemical 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
- Potassium Sulfate
- CAS No.
- 7778-80-5
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
- 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 decompose at high temperatures to release 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. 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 such as strong acids and bases.
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
- Not required under normal conditions of use; use in well-ventilated areas.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Odourless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 840 °C
- Freezing point
- Not applicable
- Boiling point
- 1,664 °C
- 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
- 2.66 g/cm³
- Solubility
- 111 g/L in water at 20 °C
- Log Pow
- Not applicable
- Viscosity, kinematic
- Not applicable
- Viscosity, dynamic
- Not applicable
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; incompatible 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
- 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 acids, strong bases.
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 applicable
- UN-No. (IMDG)
- Not applicable
- UN-No. (IATA)
- Not applicable
- UN-No. (ADN)
- Not applicable
- UN-No. (RID)
- Not applicable
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
POTASSIUM SULPHATE 99% AR is primarily used as an analytical-grade reference compound in potassium sulfate chemistry research. It serves as a standard in various analytical techniques, including chromatography and spectrophotometry. Additionally, it is utilized in the preparation of buffer solutions and as a reagent in the synthesis of other potassium compounds. The compound is also employed in the agricultural sector as a fertilizer, providing essential potassium and sulfur nutrients to crops. Its applications extend to the pharmaceutical industry, where it is used in the formulation of certain medications and supplements.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1264A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 174.27 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99% min | 99.5% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Solubility | 111 g/L in water at 20 °C | 112 g/L |
The above product is expected to comply with AR grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR | 99% | 840 °C | <0.5% | <0.1% | None detected | 111 g/L in water at 20 °C |
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