Dimethyl Sulfoxide
- CAS Number
- 67-68-5
- HSN Code
- 29309099
- Molecular Formula
- C2H6OS
- Catalogue Number
- AL00636
- Purity
- ≥ 99%
- Molecular Weight
- 78.13 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Dimethyl sulfoxide (DMSO) is one of the most versatile polar aprotic solvents, widely used in organic synthesis, biology, and pharmaceutical formulation.
Also known as DMSO.
- Catalogue No.
- AL00636
- CAS Number
- 67-68-5
- Molecular Formula
- C2H6OS
- Molecular Weight
- 78.13 g/mol
- HSN Code
- 29309099
- Grade
- 99%
- Product Form
- Substance
Colorless, hygroscopic liquid with a density of 1.10 g/mL and a faint garlic-like odor.
- Appearance
- Colorless liquid
- Shelf Life
- 2 years
- Packaging
- Available in 1L and 5L bottles
- Storage
- Store in a cool, dry place away from light.
1.1 — Product identifier
- Chemical Name
- Dimethyl Sulfoxide
- Catalogue No.
- AL00636
- Product form
- Substance
- CAS Number
- 67-68-5
- EC Number
- 200-664-3
- Grade
- 99%
- EC Index Number
- 603-350-00-6
- Chemical Formula
- C2H6OS
- HSN Code
- 29309099
- Synonyms
- DMSO
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent in organic synthesis and biological applications.
- 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
- May cause skin irritation and sensitization.
3.1 — Substance
- Name
- Dimethyl Sulfoxide
- CAS No.
- 67-68-5
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
- Headache, dizziness, skin 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
- Combustible liquid. Use water spray, foam, dry chemical, or carbon dioxide to extinguish.
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
- Contain spill and absorb with inert material. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate protective equipment. Clean up spills immediately.
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 gloves and safety goggles when handling.
- 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 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 in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Faint garlic-like
- Odour threshold
- No data available
- pH value
- No data available
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 18.5 °C
- Freezing point
- No data available
- Boiling point
- 189 °C
- Flash point
- 89 °C
- Auto-ignition temperature
- 300 °C
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 0.4 mmHg at 20 °C
- Relative vapour density at 20°C
- 2.7
- Density
- 1.10 g/mL
- Solubility
- Miscible with water, ethanol, and acetone
- Log Pow
- -1.3
- Viscosity, kinematic
- 1.99 cSt at 20 °C
- Viscosity, dynamic
- 1.99 mPa·s at 20 °C
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- No data available
10.1 — Reactivity
- Reactivity
- Stable under normal conditions. Reacts with strong oxidizing agents.
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
- Strong oxidizers, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 (oral, rat) 14,500 mg/kg
- Skin corrosion/irritation
- Causes mild skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reactions in sensitive individuals.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- No data available
- 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)
- Not classified as dangerous goods
- UN-No. (IMDG)
- Not classified as dangerous goods
- UN-No. (IATA)
- Not classified as dangerous goods
- UN-No. (ADN)
- Not classified as dangerous goods
- UN-No. (RID)
- Not classified as dangerous goods
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Dimethyl Sulfoxide
- Proper Shipping Name (IMDG)
- Dimethyl Sulfoxide
- Proper Shipping Name (IATA)
- Dimethyl Sulfoxide
- Proper Shipping Name (ADN)
- Dimethyl Sulfoxide
- Proper Shipping Name (RID)
- Dimethyl Sulfoxide
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not applicable
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
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 solvent for cell-culture reagents (e.g., cryopreservation), organic synthesis, and as a pharmaceutical penetration enhancer.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL00636
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 78.13 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 99% | 99.5% |
| Moisture Content | ≤ 0.1% | 0.05% |
| Residue on Ignition | ≤ 0.1% | 0.03% |
| Related Substances | None detected | None detected |
| Appearance | Colorless liquid | Colorless liquid |
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% | Melting point: 18.5 °C; Boiling point: 189 °C | ≤ 0.1% | ≤ 0.1% | None detected | Miscible with water |
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“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
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