Zinc Chloride
- CAS Number
- 7646-85-7
- HSN Code
- 28273990
- Molecular Formula
- ZnCl2
- Catalogue Number
- AL01598
- Purity
- ≥ 97%
- Molecular Weight
- 136.29 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Zinc chloride extra pure is a highly soluble zinc salt that is widely utilized across various industries due to its versatile chemical properties. With a purity of 97%, it is particularly valued in applications requiring high-quality reagents. The compound is characterized by its white crystalline appearance and hygroscopic nature, making it essential in processes where moisture control is critical. Its molecular formula is ZnCl2, and it is recognized for its role in soldering flux, textile processing, and organic synthesis, where it acts as a Lewis acid catalyst.
Also known as Zinc dichloride, Zinc(II) chloride.
- Catalogue No.
- AL01598
- CAS Number
- 7646-85-7
- Molecular Formula
- ZnCl2
- Molecular Weight
- 136.29 g/mol
- HSN Code
- 28273990
- Grade
- 97% Extra Pure
- Product Form
- Substance
Zinc chloride appears as a white crystalline powder that is highly hygroscopic, meaning it readily absorbs moisture from the air. It is freely soluble in water, with a solubility of approximately 432 g/L at 20°C. The melting point of zinc chloride is around 290°C, and it decomposes upon heating. The density of zinc chloride is approximately 2.907 g/cm³. It has a boiling point of 732°C, indicating its stability at elevated temperatures. The compound has a pH value of around 4.0 in a 1% aqueous solution, reflecting its acidic nature.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500g and 1kg plastic containers
- Storage
- Store in a cool, dry place away from moisture and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Zinc Chloride
- Catalogue No.
- AL01598
- Product form
- Substance
- CAS Number
- 7646-85-7
- EC Number
- 231-592-0
- Grade
- 97% Extra Pure
- EC Index Number
- 030-006-00-9
- Chemical Formula
- ZnCl2
- HSN Code
- 28273990
- Synonyms
- Zinc dichloride, Zinc(II) chloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in soldering, textile processing, and as a catalyst in organic 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
- Corrosive to metals; may cause skin and eye irritation.
3.1 — Substance
- Name
- Zinc Chloride
- CAS No.
- 7646-85-7
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 plenty of soap and water. Seek medical attention if irritation develops.
- 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
- Rinse mouth. Do not induce vomiting. Seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Irritation of the respiratory tract, skin, and eyes; possible gastrointestinal distress if ingested.
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 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 protective equipment. 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 appropriate personal protective equipment and work 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 bases and 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 dust or mist 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 (1% solution)
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 290°C
- Freezing point
- Not applicable
- Boiling point
- 732°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
- 2.907 g/cm³
- Solubility
- Freely soluble in water (432 g/L at 20°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; reacts with strong bases and 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 bases, oxidizing agents, and moisture.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 (oral, rat) = 350 mg/kg.
- Skin corrosion/irritation
- Causes 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)
- May cause respiratory irritation.
- 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)
- 2331
- UN-No. (IMDG)
- 2331
- UN-No. (IATA)
- 2331
- UN-No. (ADN)
- 2331
- UN-No. (RID)
- 2331
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Zinc Chloride
- Proper Shipping Name (IMDG)
- Zinc Chloride
- Proper Shipping Name (IATA)
- Zinc Chloride
- Proper Shipping Name (ADN)
- Zinc Chloride
- Proper Shipping Name (RID)
- Zinc Chloride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
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 chloride is extensively used in various applications, including as a flux in soldering processes, where it facilitates the joining of metals by removing oxidation. In the textile industry, it is employed in the processing of fabrics, particularly in the production of rayon and other synthetic fibers. Additionally, it serves as a Lewis acid catalyst in organic synthesis, enhancing reaction rates and selectivity in chemical reactions. Its properties also make it useful in the preparation of other zinc compounds and in the formulation of antiseptics and disinfectants.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01598
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 136.29 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 97% | 98.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.5% | 0.2% |
| pH (1% solution) | 4.0 | 4.0 |
| Solubility | Freely soluble in water | Soluble at 432 g/L |
The above product is expected to comply with 97% Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% Extra Pure | ≥ 97% | Melting point: 290°C; Boiling point: 732°C | ≤ 0.5% | ≤ 0.5% | None detected | Freely soluble in water |
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