Chromium
- CAS Number
- 7440-47-3
- HSN Code
- 81122900
- Molecular Formula
- Cr
- Catalogue Number
- AL1361
- Purity
- ≥ 99%
- Molecular Weight
- 52.00 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Chromium is a very hard gray solid with a metallic luster.
Also known as Chromium powder, Cr powder.
- Catalogue No.
- AL1361
- CAS Number
- 7440-47-3
- Molecular Formula
- Cr
- Molecular Weight
- 52.00 g/mol
- HSN Code
- 81122900
- Grade
- 99%
- Product Form
- Substance
Melting point: 1900 °C; Boiling point: 2642 °C at 760 mmHg; Density: 7.14 at 20 °C; Solubility: Insoluble in water.
- Appearance
- Steel-gray, lustrous metal; body-centered cubic structure
- Shelf Life
- -
- Packaging
- Available in: 100 gm glass bottle, 500 gm glass bottle
- Storage
- Keep container tightly closed in a dry and well-ventilated place.
1.1 — Product identifier
- Chemical Name
- Chromium
- Catalogue No.
- AL1361
- Product form
- Substance
- CAS Number
- 7440-47-3
- EC Number
- 231-157-5
- Grade
- 99%
- EC Index Number
- Not specified
- Chemical Formula
- Cr
- HSN Code
- 81122900
- Synonyms
- Chromium powder, Cr powder
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Raw material for alloy production and thermite reactions.
- 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
- Combustible metal powder; may ignite upon contact with moisture or heat.
3.1 — Substance
- Name
- Chromium
- CAS No.
- 7440-47-3
4.1 — Description of first aid measures
- First-aid measures after inhalation
- If this chemical has been inhaled, remove the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the person warm and at rest.
- First-aid measures after skin contact
- If this chemical contacts the skin, wash the contaminated skin with soap and water.
- First-aid measures after eye contact
- If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
- First-aid measures after ingestion
- If this chemical has been swallowed, get 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.
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
- Chromium oxides.
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
- Avoid dust formation. Use appropriate protective equipment and ventilate the area.
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 contact with skin and eyes. Use in a well-ventilated area and avoid ignition sources.
- 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.
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
- Gray
- Odour
- Odorless
- Odour threshold
- Not applicable
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not applicable
- Melting point
- 1900 °C
- Freezing point
- Not applicable
- Boiling point
- 2642 °C at 760 mmHg
- Flash point
- Not applicable
- Auto-ignition temperature
- Not applicable
- Decomposition temperature
- Not applicable
- Flammability (solid, gas)
- Combustible
- Vapour pressure
- Vapor pressure: 1 Pa at 1383 °C (sublimes)
- Relative vapour density at 20°C
- Not applicable
- Density
- 7.14 at 20 °C
- Solubility
- Insoluble 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; reacts with strong oxidizers.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Chromium is a catalytic substance and may cause reaction in contact with many organic and inorganic substances, causing fire and explosion hazard.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents, acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Low toxicity; may cause irritation.
- Skin corrosion/irritation
- May cause skin irritation.
- Serious eye damage/irritation
- May cause eye 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 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)
- Chromium powder
- Proper Shipping Name (IMDG)
- Chromium powder
- Proper Shipping Name (IATA)
- Chromium powder
- Proper Shipping Name (ADN)
- Chromium powder
- Proper Shipping Name (RID)
- Chromium powder
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not classified
14.4 — Packing group
- Packing group (ADR)
- Not classified
- Packing group (IMDG)
- Not classified
- Packing group (IATA)
- Not classified
- Packing group (ADN)
- Not classified
- Packing group (RID)
- Not classified
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
Used as a raw material for stainless-steel and specialty-alloy production research, as well as in thermite reactions.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL0471A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 52.00 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Bright gray with metallic lustrous powder | Bright gray with metallic lustrous powder |
| Assay | (Min.) 99.0% | 99.26% |
The above product complies with EP grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | m.p. 1900 °C; b.p. 2642 °C at 760 mmHg | ≤ 0.5% | ≤ 0.1% | None detected | Insoluble in water |
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