Benzene sulfonyl chloride
- CAS Number
- 98-09-9
- HSN Code
- 29049990
- Molecular Formula
- C6H5SO2Cl
- Catalogue Number
- AL0606
- Purity
- ≥ 99%
- Molecular Weight
- 176.62 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Benzenesulfonyl chloride appears as a colorless to slightly yellow solid that melts at approximately 40 °F. Very irritating to skin, eyes and mucous membranes. May emit toxic fumes when heated to high temperatures.
Also known as Benzene sulfonyl chloride, Benzenesulfonyl chloride.
- Catalogue No.
- AL0606
- CAS Number
- 98-09-9
- Molecular Formula
- C6H5SO2Cl
- Molecular Weight
- 176.62 g/mol
- HSN Code
- 29049990
- Grade
- 99%
- Product Form
- Substance
Melting point: 14.5 °C; Boiling point: 252 °C at 760 mmHg; Flash point: greater than 233.6 °F; Density: SP GR: 1.3842 AT 15 °C/15 °C.
- Appearance
- Colorless to slightly yellow solid that melts at approximately 40 °F. Very irritating to skin, eyes and mucous membranes
- Shelf Life
- -
- Packaging
- Available in: 250 ml glass bottle with tin cap, 500 ml glass bottle with tin cap
- Storage
- Store in a cool, dry place away from moisture.
1.1 — Product identifier
- Chemical Name
- Benzene sulfonyl chloride
- Catalogue No.
- AL0606
- Product form
- Substance
- CAS Number
- 98-09-9
- EC Number
- 202-636-6
- Grade
- 99%
- EC Index Number
- Not specified
- Chemical Formula
- C6H5SO2Cl
- HSN Code
- 29049990
- Synonyms
- Benzene sulfonyl chloride, Benzenesulfonyl chloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a sulfonylating agent in organic synthesis.
- 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. 4; Skin Corr. 1B
- Classification source
- ECHA C&L Inventory via PubChem CID 7369 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Irritant
- Signal word
- Danger
- Hazard statements
- H302: Harmful if swallowed; H314: Causes severe skin burns and eye damage
2.3 — Other hazards
- Other hazards
- Corrosive to metals and tissue; moisture-reactive.
3.1 — Substance
- Name
- Benzene sulfonyl chloride
- CAS No.
- 98-09-9
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move victim to fresh air. If not breathing, give artificial respiration.
- First-aid measures after skin contact
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and seek medical attention.
- First-aid measures after ingestion
- If unconscious or having convulsions, do nothing except keep victim warm.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Corrosive effects on skin, eyes, and respiratory tract; may cause burns.
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 emit toxic fumes under fire conditions.
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.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Contain and absorb spill with inert material. 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 in a fume hood with gloves and eye protection. Avoid contact with skin and eyes.
- 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 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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Pungent
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 14.5 °C
- Freezing point
- Not specified
- Boiling point
- 252 °C at 760 mmHg
- Flash point
- greater than 233.6 °F
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 0.5 mmHg at 20 °C
- Relative vapour density at 20°C
- Not specified
- Density
- SP GR: 1.3842 AT 15 °C/15 °C
- Solubility
- Soluble in organic solvents, reacts with water
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not applicable
10.1 — Reactivity
- Reactivity
- Reacts violently with water, releasing hydrochloric acid and forming sulfonic acids.
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, strong oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Mouse acute oral 0.4 to 3.2 g/kg
- 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 2225
- UN-No. (IMDG)
- UN 2225
- UN-No. (IATA)
- UN 2225
- UN-No. (ADN)
- UN 2225
- UN-No. (RID)
- UN 2225
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Benzene sulfonyl chloride
- Proper Shipping Name (IMDG)
- Benzene sulfonyl chloride
- Proper Shipping Name (IATA)
- Benzene sulfonyl chloride
- Proper Shipping Name (ADN)
- Benzene sulfonyl chloride
- Proper Shipping Name (RID)
- Benzene sulfonyl chloride
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
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
Used as a sulfonylating reagent in pharmaceutical and dye intermediate synthesis.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00241
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 176.62 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Moisture Content | ≤ 0.5% | 0.3% |
| Related Substances | Not more than 0.5% | 0.2% |
| Density | 1.384 g/mL | 1.385 g/mL |
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. 14.5 °C; b.p. 252 °C at 760 mmHg | ≤ 0.5% | Not applicable | Not more than 0.5% | Soluble in organic solvents |
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