Zinc Sulphate Heptahydrate
- CAS Number
- 7446-20-0
- HSN Code
- 28332990
- Molecular Formula
- ZnSO4·7H2O
- Catalogue Number
- AL01610
- Purity
- 99%
- Molecular Weight
- 287.54 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Zinc Sulphate 99% Extra Pure (heptahydrate) is a high-purity inorganic compound that serves as a critical reagent in various chemical and biological applications. With a molecular formula of ZnSO4·7H2O and a molecular weight of 287.54 g/mol, this compound is notable for its exceptional purity level of 99%, making it ideal for precise research applications. It is commonly utilized in laboratories and industries where high-quality zinc compounds are required, particularly in the fields of biochemistry and nutrition. The heptahydrate form indicates that it contains seven molecules of water, which is essential for its solubility and reactivity in aqueous solutions.
Also known as Zinc Sulfate, Zinc Vitriol.
- Catalogue No.
- AL01610
- CAS Number
- 7446-20-0
- Molecular Formula
- ZnSO4·7H2O
- Molecular Weight
- 287.54 g/mol
- HSN Code
- 28332990
- Grade
- Extra Pure
- Product Form
- Substance
Zinc Sulphate heptahydrate appears as a white crystalline solid, characterized by its high solubility in water, which allows for easy preparation of solutions for various applications. The melting point of this compound is approximately 100 °C (decomposes), and it has a density of about 1.95 g/cm³. It is odorless and has a pH value of around 4.0 to 5.0 in a 1% aqueous solution, indicating its mildly acidic nature. The compound is hygroscopic, meaning it can absorb moisture from the air, which is a consideration for storage and handling.
- Appearance
- White crystalline solid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry place away from moisture.
1.1 — Product identifier
- Chemical Name
- Zinc Sulphate Heptahydrate
- Catalogue No.
- AL01610
- Product form
- Substance
- CAS Number
- 7446-20-0
- EC Number
- 231-793-3
- Grade
- Extra Pure
- EC Index Number
- 030-006-00-9
- Chemical Formula
- ZnSO4·7H2O
- HSN Code
- 28332990
- Synonyms
- Zinc Sulfate, Zinc Vitriol
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in laboratories and industries for research and nutritional applications.
- 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
- May cause respiratory irritation.
3.1 — Substance
- Name
- Zinc Sulphate Heptahydrate
- CAS No.
- 7446-20-0
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. Continue rinsing. 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 the respiratory tract, skin, and eyes.
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 produce 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
- 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
- Odourless
- Odour threshold
- Not applicable
- pH value
- 4.0 - 5.0 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- Decomposes at 100 °C
- Freezing point
- Not applicable
- Boiling point
- Not applicable
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- 100 °C
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not applicable
- Relative vapour density at 20°C
- Not applicable
- Density
- 1.95 g/cm³
- Solubility
- Freely soluble in water
- 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; avoid 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, and oxidizing agents.
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 skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin 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)
- 3077
- UN-No. (IMDG)
- 3077
- UN-No. (IATA)
- 3077
- UN-No. (ADN)
- 3077
- UN-No. (RID)
- 3077
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Environmentally hazardous substance, solid, n.o.s. (Zinc Sulphate Heptahydrate)
- Proper Shipping Name (IMDG)
- Environmentally hazardous substance, solid, n.o.s. (Zinc Sulphate Heptahydrate)
- Proper Shipping Name (IATA)
- Environmentally hazardous substance, solid, n.o.s. (Zinc Sulphate Heptahydrate)
- Proper Shipping Name (ADN)
- Environmentally hazardous substance, solid, n.o.s. (Zinc Sulphate Heptahydrate)
- Proper Shipping Name (RID)
- Environmentally hazardous substance, solid, n.o.s. (Zinc Sulphate Heptahydrate)
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 9
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
Zinc Sulphate 99% Extra Pure (heptahydrate) is widely used in the fields of analytical chemistry, biochemistry, and nutrition. It serves as a higher-purity reference compound in zinc chemistry, allowing researchers to conduct precise experiments and analyses. In the agricultural sector, it is utilized as a micronutrient in fertilizers to promote plant growth and health. Additionally, it is employed in the formulation of dietary supplements to address zinc deficiencies in humans and animals. The compound is also used in various industrial applications, including the production of rayon and as a coagulant in water treatment processes.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01610
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 287.54 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99% min | 99.5% |
| Moisture Content | < 0.5% | 0.3% |
| Residue on Ignition | < 0.1% | 0.05% |
| pH (1% solution) | 4.0 - 5.0 | 4.2 |
| Related Substances | None detected | None detected |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | 99% | Decomposes at 100 °C | < 0.5% | < 0.1% | None detected | Freely soluble in water |
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