Tungsten

99% For Laboratory Use
CAS Number
7440-33-7
HSN Code
81019990
Molecular Formula
W
Catalogue Number
AL4712
Purity
99%
Molecular Weight
183.85 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

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Key Properties

Appearance Steel-gray to tin-white metal; body centered cubic structure
Shelf Life -
Packaging Available in: 100 gm glass bottle, 500 gm glass bottle
Storage See Chemical Dangers. Separated from strong oxidants and strong acids. Well closed.

Tungsten is a chromium group element atom. It has a role as a micronutrient.

Also known as Tungsten powder, Tungsten metal powder.

Catalogue No.
AL4712
CAS Number
7440-33-7
Molecular Formula
W
Molecular Weight
183.85 g/mol
HSN Code
81019990
Grade
99%
Product Form
Substance

Melting point: 3410 °C; Boiling point: 5900 °C @ 760 mm Hg; Density: 18.7-19.3 @ 20 °C/4 °C; depends on extent of working; Solubility: Sol in mixture of nitric acid and hydrofluoric acid.

Appearance
Steel-gray to tin-white metal; body centered cubic structure
Shelf Life
-
Packaging
Available in: 100 gm glass bottle, 500 gm glass bottle
Storage
See Chemical Dangers. Separated from strong oxidants and strong acids. Well closed.

1.1 — Product identifier

Chemical Name
Tungsten
Catalogue No.
AL4712
Product form
Substance
CAS Number
7440-33-7
EC Number
231-143-9
Grade
99%
EC Index Number
Not applicable
Chemical Formula
W
HSN Code
81019990
Synonyms
Tungsten powder, Tungsten metal powder

1.2 — Relevant identified uses of the substance or mixture and uses advised against

Use of the substance/mixture
Used in the production of tungsten carbide, high-temperature alloys, and specialty materials.
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

2.1 — Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008
Flam. Sol. 1
Classification source
ECHA C&L Inventory via PubChem CID 23964 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements

2.2 — Label elements

Hazard pictograms
Flammable
Signal word
Danger
Hazard statements
H228: Flammable solid

2.3 — Other hazards

Other hazards
Flammable dust; may form explosive mixtures in air.

3.1 — Substance

Name
Tungsten
CAS No.
7440-33-7

4.1 — Description of first aid measures

First-aid measures after inhalation
If a person breathes large amounts of this chemical, move the exposed person to fresh air at once.
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
Inhalation may cause respiratory irritation. Skin contact may cause irritation.

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
Dust explosion possible if in powder or granular form, mixed with air.

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 generation. Use appropriate personal protective equipment. Ensure adequate ventilation.

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. Then store and dispose of according to local regulations.

6.4 — Reference to other sections

Reference
Not specified

7.1 — Precautions for safe handling

Precautions for safe handling
Avoid dust formation. Use appropriate personal protective equipment, including gloves and masks.
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
See Chemical Dangers. Separated from strong oxidants and strong acids. Well closed.

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 a NIOSH-approved respirator if dust levels exceed permissible limits.

9.1 — Information on basic physical and chemical properties

Physical state
Solid
Colour
Gray
Odour
Odourless
Odour threshold
Not applicable
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
3410 °C
Freezing point
Not applicable
Boiling point
5900 °C @ 760 mm Hg
Flash point
Not applicable
Auto-ignition temperature
>=100 °C
Decomposition temperature
Not applicable
Flammability (solid, gas)
Flammable dust
Vapour pressure
1.97X10-7 mm Hg @ 2,327 °C
Relative vapour density at 20°C
Not applicable
Density
18.7-19.3 @ 20 °C/4 °C; depends on extent of working.
Solubility
Sol in mixture of nitric acid and hydrofluoric acid
Log Pow
Not applicable
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not applicable
Explosive properties
Dust may form explosive mixtures in air
Oxidising properties
Not applicable
Explosive limits
Not applicable

10.1 — Reactivity

Reactivity
Stable under normal conditions. Avoid contact with strong oxidizers.

10.2 — Chemical stability

Chemical stability
Stable under recommended storage conditions.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
Reacts violently with oxidants, potassium perchlorate and potassium dichromate. This generates fire and explosion hazard. Reacts violently with strong acids and halogens.

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
LD50 Rat ip 5 g/kg bw
Skin corrosion/irritation
Not classified (based on available data)
Serious eye damage/irritation
Not classified (based on available data)
Respiratory or skin sensitisation
Not classified (based on available data)
Germ cell mutagenicity
Not classified (based on available data)
Carcinogenicity
Not classified (based on available data)
Specific target organ toxicity (single exposure)
Not classified (based on available data)
Specific target organ toxicity (repeated exposure)
Not classified (based on available data)

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)
UN 3089
UN-No. (IMDG)
UN 3089
UN-No. (IATA)
UN 3089
UN-No. (ADN)
UN 3089
UN-No. (RID)
UN 3089

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Tungsten powder
Proper Shipping Name (IMDG)
Tungsten powder
Proper Shipping Name (IATA)
Tungsten powder
Proper Shipping Name (ADN)
Tungsten powder
Proper Shipping Name (RID)
Tungsten powder

14.3 — Transport hazard class(es)

Transport hazard class(es)
4.1

14.4 — Packing group

Packing group (ADR)
II
Packing group (IMDG)
II
Packing group (IATA)
II
Packing group (ADN)
II
Packing group (RID)
II

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

Tungsten metal powder is widely used in the production of tungsten carbide, which is utilized in cutting tools, mining machinery, and wear-resistant applications due to its hardness. Additionally, it serves as a raw material for high-temperature alloys, which are essential in aerospace and automotive industries for components that must withstand extreme conditions. Tungsten powder is also employed in specialty materials research, including the development of advanced electronic components and radiation shielding materials. Its unique properties make it valuable in various sectors, including defense, electronics, and manufacturing.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL1548A
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
183.85 g/mol
Test Standard Observed
Description Black powder Black powder
Assay Min. 99.9% 99.9%

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. 3410 °C; b.p. 5900 °C @ 760 mm Hg <0.5% <0.1% None detected Sol in mixture of nitric acid and hydrofluoric acid
View full Technical Data Sheet

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