Sulfur monochloride
- CAS Number
- 10025-67-9
- HSN Code
- 28129000
- Molecular Formula
- S2Cl2
- Catalogue Number
- AL1492L
- Purity
- ≥ 99%
- Molecular Weight
- 135.0 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sulfur monochloride (for synthesis) is a highly reactive and malodorous compound that plays a crucial role in various chemical processes. It is primarily utilized as a vulcanizing and chlorinating reagent, making it essential in the rubber and organic synthesis industries. With a purity of 99%, this compound is suitable for high-precision applications where quality and reactivity are paramount. Its unique properties allow it to participate in a variety of chemical reactions, particularly those involving sulfur and chlorine, which are vital in the production of specialty chemicals and materials.
Also known as Disulfur dichloride.
- Catalogue No.
- AL1492L
- CAS Number
- 10025-67-9
- Molecular Formula
- S2Cl2
- Molecular Weight
- 135.0 g/mol
- HSN Code
- 28129000
- Grade
- 99%
- Product Form
- Substance
Sulfur monochloride appears as an amber to red-brown liquid with a pungent odor that is characteristic of sulfur compounds. It has a density of 1.668 g/mL, indicating that it is heavier than water. The compound is known to react vigorously with moisture, producing hydrochloric acid and sulfur dioxide, which underscores its corrosive nature. The boiling point of sulfur monochloride is approximately 140 °C, and it has a melting point of -80 °C, making it a liquid at room temperature. Its solubility in water is very low, and it is highly soluble in organic solvents, which is important for its applications in organic synthesis.
- Appearance
- Amber to red-brown liquid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry, well-ventilated area away from moisture and incompatible materials.
1.1 — Product identifier
- Chemical Name
- Sulfur monochloride
- Catalogue No.
- AL1492L
- Product form
- Substance
- CAS Number
- 10025-67-9
- EC Number
- 233-058-4
- Grade
- 99%
- EC Index Number
- 017-004-00-4
- Chemical Formula
- S2Cl2
- HSN Code
- 28129000
- Synonyms
- Disulfur dichloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Vulcanizing and chlorinating reagent
- 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 severe skin burns and eye damage.
3.1 — Substance
- Name
- Sulfur monochloride
- CAS No.
- 10025-67-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Remove to fresh air. If breathing is difficult, give oxygen. Seek medical attention immediately.
- First-aid measures after skin contact
- Remove contaminated clothing and wash skin thoroughly with soap and water. Seek medical attention if irritation persists.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention immediately.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Symptoms of exposure may include coughing, difficulty breathing, skin burns, and eye 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
- May produce toxic gases (chlorine, sulfur oxides) in a fire. Use water spray to cool containers.
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 ventilate. Wear appropriate protective equipment. Contain and absorb spill with inert material.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Neutralize with sodium bicarbonate or lime, then collect and dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Handle under inert gas. Use in a fume hood with appropriate PPE including gloves and goggles.
- 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 tightly closed containers in a cool, dry place away from moisture and 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 a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Amber to red-brown
- Odour
- Pungent
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -80 °C
- Freezing point
- Not specified
- Boiling point
- 140 °C
- Flash point
- Not applicable
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- Not specified
- Relative vapour density at 20°C
- Not specified
- Density
- 1.668 g/mL
- Solubility
- Low solubility in water; soluble in organic solvents
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Highly reactive with water and moisture, producing hydrochloric acid and sulfur dioxide.
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
- Water, strong bases, and strong oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; may cause severe respiratory irritation and systemic effects.
- Skin corrosion/irritation
- Causes severe skin burns and eye damage.
- Serious eye damage/irritation
- Causes serious eye damage.
- 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 and damage to the respiratory system.
- 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)
- UN 3390
- UN-No. (IMDG)
- UN 3390
- UN-No. (IATA)
- UN 3390
- UN-No. (ADN)
- UN 3390
- UN-No. (RID)
- UN 3390
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sulfur monochloride
- Proper Shipping Name (IMDG)
- Sulfur monochloride
- Proper Shipping Name (IATA)
- Sulfur monochloride
- Proper Shipping Name (ADN)
- Sulfur monochloride
- Proper Shipping Name (RID)
- Sulfur monochloride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1 (8)
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
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 monochloride is widely used in the rubber industry as a vulcanizing agent, where it enhances the strength and elasticity of rubber products. In organic chemistry, it serves as a sulfurizing and chlorinating reagent, facilitating the introduction of sulfur and chlorine into organic molecules. This compound is also employed in the synthesis of various sulfur-containing compounds, which are important in pharmaceuticals and agrochemicals. Additionally, it finds applications in the production of specialty chemicals and in the formulation of certain pesticides, highlighting its versatility in industrial chemistry.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1492L
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 135.0 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Density | 1.668 g/mL | 1.670 g/mL |
| Melting Point | -80 °C | -79.5 °C |
| Boiling Point | 140 °C | 139 °C |
| Moisture Content | ≤ 0.5% | 0.3% |
| Related Substances | None detected | None detected |
The above product is expected to comply with 99% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% | ≥ 99% | -80 °C / 140 °C | ≤ 0.5% | Not applicable | None detected | Low in water, soluble in organic solvents |
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