Sulfur

98% Extra Pure For Laboratory Use
CAS Number
7704-34-9
HSN Code
25030010
Molecular Formula
S
Catalogue Number
AL4406
Purity
≥ 98%
Molecular Weight
32.06 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 Yellow solid in various forms
Shelf Life -
Packaging Available in: 500 gm plastic bottle, 5 Kg plastic container, 50 Kg fiber drum
Storage Fireproof. Separated from strong oxidants.

Sulfur powder extra pure (sulfur flower) is a high-purity elemental sulfur widely utilized in various industrial applications, including vulcanization, fungicide production, and general chemistry. With a purity of 98%, this product is ideal for demanding applications where quality and consistency are paramount. Sulfur is a non-metallic element that plays a crucial role in the production of rubber and is also a key ingredient in many agrochemical formulations. Its unique properties make it a versatile compound in both organic and inorganic chemistry.

Also known as Sulfur flower, Elemental sulfur.

Catalogue No.
AL4406
CAS Number
7704-34-9
Molecular Formula
S
Molecular Weight
32.06 g/mol
HSN Code
25030010
Grade
98% Extra Pure
Product Form
Substance

Melting point: 95.3 °C (Sulfur rhombic transforms to monoclinic); 115.21 °C; Boiling point: 444.61 °C; Flash point: 405 °F (207 °C) (Closed cup); Density: 2.07 gcu cm (Sulfur (rhombic); 2.00 (Sulfur (monoclinic)/; Solubility: Insoluble in water; slightly soluble in ethanol, benzene, ethyl ether; soluble in carbon disulfide.

Appearance
Yellow solid in various forms
Shelf Life
-
Packaging
Available in: 500 gm plastic bottle, 5 Kg plastic container, 50 Kg fiber drum
Storage
Fireproof. Separated from strong oxidants.

1.1 — Product identifier

Chemical Name
Sulfur
Catalogue No.
AL4406
Product form
Substance
CAS Number
7704-34-9
EC Number
231-722-6
Grade
98% Extra Pure
EC Index Number
7704-34-9
Chemical Formula
S
HSN Code
25030010
Synonyms
Sulfur flower, Elemental sulfur

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

Use of the substance/mixture
Used in vulcanization, fungicide applications, and general chemistry.
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
Skin Irrit. 2
Classification source
CLP Annex VI (harmonised EU classification) via PubChem CID 5362487

2.2 — Label elements

Hazard pictograms
Irritant
Signal word
Warning
Hazard statements
H315: Causes skin irritation
Precautionary statements
P264, P280, P302+P352, P321, P332+P317, P362+P364

2.3 — Other hazards

Other hazards
Flammable solid; may cause fire or explosion if not handled properly.

3.1 — Substance

Name
Sulfur
CAS No.
7704-34-9

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
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
Burns with a pale blue flame that may be difficult to see in daylight.

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
Evacuate area and eliminate all ignition sources. Use appropriate protective equipment.

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 keep away from heat 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
Fireproof. Separated from strong oxidants.

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
Pale yellow
Odour
Pure sulfur is odorless, but traces of hydrocarbon impurity may impart an oily and/or rotten egg odor
Odour threshold
Not specified
pH value
Not applicable
Relative evaporation rate (butylacetate=1)
Not applicable
Melting point
95.3 °C (Sulfur rhombic transforms to monoclinic); 115.21 °C
Freezing point
Not applicable
Boiling point
444.61 °C
Flash point
405 °F (207 °C) (Closed cup)
Auto-ignition temperature
450 °F (232 °C)
Decomposition temperature
Not specified
Flammability (solid, gas)
Flammable solid
Vapour pressure
3.95X10-6 mm Hg at 30.4 °C
Relative vapour density at 20°C
Density of vapor/density of air, 470 °C: 7.837
Density
2.07 gcu cm (Sulfur (rhombic); 2.00 (Sulfur (monoclinic)/
Solubility
Insoluble in water; slightly soluble in ethanol, benzene, ethyl ether; soluble in carbon disulfide
Log Pow
Not specified
Viscosity, kinematic
Not applicable
Viscosity, dynamic
Not specified
Explosive properties
Not explosive
Oxidising properties
Not oxidizing
Explosive limits
Not specified

10.1 — Reactivity

Reactivity
Stable under normal conditions; may react with strong oxidizing agents.

10.2 — Chemical stability

Chemical stability
Preparations containing sulfur may react with metals including silver and copper, resulting in discoloration of the metal.

10.3 — Possibility of hazardous reactions

Possibility of hazardous reactions
On combustion, forms toxic and corrosive gases of sulfur oxides including sulfur dioxide (see ICSC 0074). Reacts violently with strong oxidants , especially if powdered. This generates 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 oxidizers, strong acids.

10.6 — Hazardous decomposition products

Hazardous decomposition products
Not specified

11.1 — Information on toxicological effects

Acute toxicity
LD50 Rabbit dermal >2000 mg/kg bw; LC50 Hamster inhalation >0.047 mg/L 4 hr; LC50 Mouse inhalation >0.047 mg/L 4 hr
Skin corrosion/irritation
H315: Causes skin irritation
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)
1350
UN-No. (IMDG)
1350
UN-No. (IATA)
1350
UN-No. (ADN)
1350
UN-No. (RID)
1350

14.2 — UN proper shipping name

Proper Shipping Name (ADR)
Sulfur
Proper Shipping Name (IMDG)
Sulfur
Proper Shipping Name (IATA)
Sulfur
Proper Shipping Name (ADN)
Sulfur
Proper Shipping Name (RID)
Sulfur

14.3 — Transport hazard class(es)

Transport hazard class(es)
4.1

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

Sulfur powder is extensively used as a vulcanizing agent in the rubber industry, where it enhances the elasticity and durability of rubber products. Additionally, it serves as a fungicide in agricultural applications, helping to control fungal diseases in crops. In the chemical industry, sulfur is used in the synthesis of various compounds, including sulfuric acid, which is one of the most widely produced industrial chemicals. Furthermore, sulfur is employed in the production of fertilizers and in the manufacture of certain pharmaceuticals, making it a critical component in multiple sectors.

ISO 9001 ISO 14001 GMP COA with every batch
Batch Number
AL-2026-AL01489
Manufacturing Date
September-2026
Expiry Date
September-2031
Molecular Weight
32.06 g/mol
Test Standard Observed
Purity ≥ 98% 98.5%
Moisture Content ≤ 0.5% 0.3%
Residue on Ignition ≤ 0.1% 0.05%
Related Substances None detected None detected

The above product is expected to comply with 98% Extra Pure grade specification.

Technical Data Sheet

Grade Assay/Purity Melting/Boiling Point Moisture/LOD Residue on Ignition Related Substances Solubility
98% Extra Pure ≥ 98% m.p. 95.3 °C (Sulfur rhombic transforms to monoclinic); 115.21 °C; b.p. 444.61 °C ≤ 0.5% ≤ 0.1% None detected Insoluble in water; slightly soluble in ethanol, benzene, ethyl ether; soluble in carbon disulfide
View full Technical Data Sheet

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