Zinc Sulfate Heptahydrate
- CAS Number
- 7446-20-0
- HSN Code
- 28332990
- Molecular Formula
- ZnSO4·7H2O
- Catalogue Number
- AL1609A
- Purity
- 98% min
- 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 sulfate heptahydrate practical (iron-free white crystals) is one of the most widely used zinc salts, essential as a nutritional supplement. It is a white crystalline solid that is highly soluble in water, making it suitable for various applications in agriculture, pharmaceuticals, and food industries. This compound is notable for its role in providing essential zinc, which is crucial for numerous biological functions, including enzyme activity and immune response. The heptahydrate form is particularly valued for its stability and ease of handling in both laboratory and industrial settings.
Also known as Zinc Sulfate, Zinc Vitriol.
- Catalogue No.
- AL1609A
- CAS Number
- 7446-20-0
- Molecular Formula
- ZnSO4·7H2O
- Molecular Weight
- 287.54 g/mol
- HSN Code
- 28332990
- Grade
- Practical
- Product Form
- Substance
Zinc sulfate heptahydrate appears as white crystalline solids. It has a melting point of approximately 100 °C (decomposes), and a boiling point of 200 °C (decomposes). The density of this compound is about 1.95 g/cm³. It is freely soluble in water, with a solubility of approximately 1,000 g/L at 20 °C. The compound has a pH value of around 4.0 to 5.0 in a 1% aqueous solution, indicating its mildly acidic nature. It has no significant odor, making it suitable for various applications without the concern of volatile emissions.
- Appearance
- White crystalline solid
- Shelf Life
- 2 years
- Packaging
- 25 kg bags
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Zinc Sulfate Heptahydrate
- Catalogue No.
- AL1609A
- Product form
- Substance
- CAS Number
- 7446-20-0
- EC Number
- 231-793-3
- Grade
- Practical
- 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
- Nutritional supplement, agricultural fertilizer, pharmaceutical 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
- None known
3.1 — Substance
- Name
- Zinc Sulfate 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. 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 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. 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 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 personal protective equipment as required.
- 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 in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
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
- Decomposes at 200 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Decomposes above 100 °C
- Flammability (solid, gas)
- Non-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 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)
- 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 sulfate heptahydrate)
- Proper Shipping Name (IMDG)
- Environmentally hazardous substance, solid, n.o.s. (Zinc sulfate heptahydrate)
- Proper Shipping Name (IATA)
- Environmentally hazardous substance, solid, n.o.s. (Zinc sulfate heptahydrate)
- Proper Shipping Name (ADN)
- Environmentally hazardous substance, solid, n.o.s. (Zinc sulfate heptahydrate)
- Proper Shipping Name (RID)
- Environmentally hazardous substance, solid, n.o.s. (Zinc sulfate 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 sulfate heptahydrate is widely used as a zinc trace-mineral supplement in animal feed and human nutrition, helping to prevent zinc deficiency. In agriculture, it serves as a fertilizer additive to enhance soil quality and promote plant growth. Additionally, it is utilized in the pharmaceutical industry as an astringent in ophthalmic formulations and as a reference compound in research. The compound is also employed in the production of rayon and as a coagulant in the manufacturing of paper and textiles.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1609A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 287.54 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay (Purity) | 98% min | 98.5% |
| Moisture Content | < 1% | 0.5% |
| Residue on Ignition | < 0.5% | 0.3% |
| pH (1% solution) | 4.0 - 5.0 | 4.2 |
| Solubility | Freely soluble in water | Freely soluble |
The above product is expected to comply with Practical grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Practical | 98% min | Decomposes at 100 °C | < 1% | < 0.5% | None detected | Freely soluble in water |
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