Sulfur monochloride
- CAS Number
- 10025-67-9
- HSN Code
- 28129000
- Molecular Formula
- S2Cl2
- Catalogue Number
- AL4427
- 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 appears as a yellow-red, oily, fuming liquid with a sharp odor. Contact or ingestion causes irritation or chemical burns to skin, eyes, and mucous membranes.
Also known as Disulfur dichloride.
- Catalogue No.
- AL4427
- CAS Number
- 10025-67-9
- Molecular Formula
- S2Cl2
- Molecular Weight
- 135.0 g/mol
- HSN Code
- 28129000
- Grade
- 99%
- Product Form
- Substance
Melting point: -77 °C; Boiling point: 137 °C; Flash point: 118 °C; Density: 1.6885 at 15.5 °C/15.5 °C; Solubility: Sol in alc, benzene, ether, carbon disulfide, carbon tetrachloride, oils.
- Appearance
- Light amber to yellowish red oily liquid
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle
- Storage
- Separated from strong oxidants, peroxides, phosphorus oxides, organic compounds and food and feedstuffs. Cool. Dry. Well closed. Ventilation along the floor.
1.1 — Product identifier
- Chemical Name
- Sulfur monochloride
- Catalogue No.
- AL4427
- Product form
- Substance
- CAS Number
- 10025-67-9
- EC Number
- 233-036-2
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 3; Skin Corr. 1A; Acute Tox. 4; Aquatic Acute 1
- Classification source
- ECHA C&L Inventory via PubChem CID 24807 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic, Environmental Hazard
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed; H314: Causes severe skin burns and eye damage; H332: Harmful if inhaled; H400: Very toxic to aquatic life
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
- 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, immediately flush the contaminated skin with water. If this chemical penetrates the clothing, immediately remove the clothing and flush the skin with water. Get medical attention promptly.
- 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
- 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
- Confined fires with high fuel loads of polyvinyl chloride, such as a fire in a vault with a high load of polyvinyl chloride-coated electrical wiring, may generate sufficient hydrogen chloride to cause irritation in fire fighters.
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
- Consult an expert! Personal protection: chemical protection suit including self-contained breathing apparatus. Ventilation. Cautiously neutralize spilled liquid with mixture of dry soda ash and slaked lime.
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
- Separated from strong oxidants, peroxides, phosphorus oxides, organic compounds and food and feedstuffs. Cool. Dry. Well closed. Ventilation along the floor.
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
- Suffocating odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -77 °C
- Freezing point
- Not specified
- Boiling point
- 137 °C
- Flash point
- 118 °C
- Auto-ignition temperature
- 453 °F (234 °C)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 10 mm Hg at 27.5 °C
- Relative vapour density at 20°C
- 4.66 (Air = 1)
- Density
- 1.6885 at 15.5 °C/15.5 °C
- Solubility
- Sol in alc, benzene, ether, carbon disulfide, carbon tetrachloride, oils
- 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 at ambient temperature.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- Decomposes on heating and on burning. This produces toxic and corrosive fumes including hydrogen chloride, hydrogen sulfide and sulfur oxides. Reacts with peroxides, phosphorus oxides and some organic compounds.
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
- Decomposes on contact with water to produce heat & toxic & corrosive fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- Highly toxic; may cause severe respiratory irritation and systemic effects.
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- 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 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% | m.p. -77 °C; b.p. 137 °C | ≤ 0.5% | Not applicable | None detected | Sol in alc, benzene, ether, carbon disulfide, carbon tetrachloride, oils |
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