Dimethyl Sulfoxide

Synonyms: DMSO

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Dimethyl Sulfoxide
Product Form Substance
Catalogue No. AL1879
CAS Number 67-68-5
EC Number 200-664-3
EC Index Number 603-350-00-6
Grade For Molecular Biology
HSN Code 29309099
Molecular Formula C2H6OS
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name Dimethyl Sulfoxide
Catalogue No. AL1879
Product form Substance
CAS Number 67-68-5
EC Number 200-664-3
Grade For Molecular Biology
EC Index Number 603-350-00-6
Chemical Formula C2H6OS
HSN Code 29309099
Synonyms DMSO
Chemical Structure -
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture Solvent and cryoprotectant in 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
SECTION 2: Hazards identification
2.3 Other hazards
Other hazards None identified.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Dimethyl Sulfoxide
CAS No. 67-68-5
SECTION 4: First aid measures
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 IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
First-aid measures after eye contact First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
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.
SECTION 5: Fire-fighting measures
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 Special hazards arising from the substance or mixture: Carbon oxides, Sulphur oxides.
5.3 Advice for firefighters
Protection during firefighting Do not enter fire area without proper protective equipment, including respiratory protection.
SECTION 6: Accidental release measures
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 Remove all ignition sources. Personal protection: protective gloves, protective clothing, safety goggles and filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in sand or inert absorbent.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling Use gloves and safety goggles. Avoid skin contact.
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 incompatible materials and : incompatible materials. Well closed. Cool. Dry. Keep in the dark. Keep in a well-ventilated room.
SECTION 8: Exposure controls/personal protection
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 Not required under normal conditions of use.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Liquid
Colour Colorless
Odour Slightly sulfurous odor
Odour threshold Not determined
pH value Not applicable
Relative evaporation rate (butylacetate=1) 0.3
Melting point 18.45 °C
Freezing point Not applicable
Boiling point 189 °C
Flash point 95 °C (203 °F) (Open cup)
Auto-ignition temperature 419 °F (215 °C)
Decomposition temperature Not determined
Flammability (solid, gas) Not flammable
Vapour pressure VP: 0.42 mm at 20 °C
Relative vapour density at 20°C 2.71 (Air = 1)
Density 1.100 at 20 °C/4 °C
Solubility Soluble in water
Log Pow -1.35
Viscosity, kinematic 1.99 cP at 20 °C
Viscosity, dynamic Not determined
Explosive properties Not explosive
Oxidising properties Not oxidizing
Explosive limits Not applicable
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity Stable under normal conditions.
10.2 Chemical stability
Chemical stability Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
Possibility of hazardous reactions Decomposes on heating and on burning. This produces irritating or toxic fumes and sulfur oxides. Reacts violently with strong oxidants such as perchlorates, strong acids and strong bases.
10.4 Conditions to avoid
Conditions to avoid Avoid contact with incompatible materials and excessive heat.
10.5 Incompatible materials
Incompatible materials Strong oxidizing agents, strong acids.
10.6 Hazardous decomposition products
Hazardous decomposition products When heated to decomposition it emits toxic fumes of sulfur oxides.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity LD50 Rat oral 17.9 mL/kg; LD50 Rat oral 14500 mg/kg; LD50 Rat ip 8200 mg/kg
Skin corrosion/irritation Mild irritant.
Serious eye damage/irritation Mild irritant.
Respiratory or skin sensitisation Not a sensitizer.
Germ cell mutagenicity Not classified
Carcinogenicity Not classified
Specific target organ toxicity (single exposure) Not classified as a specific target organ toxicant.
Specific target organ toxicity (repeated exposure) Not classified
SECTION 12: Ecological information
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
SECTION 13: Disposal considerations
13.1 Waste treatment methods
Additional Info Dispose of contents/container in accordance with local, regional, national and international regulations.
SECTION 14: Transport information
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) Not applicable
Proper Shipping Name (IMDG) Not applicable
Proper Shipping Name (IATA) Not applicable
Proper Shipping Name (ADN) Not applicable
Proper Shipping Name (RID) Not applicable
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
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
15.1.1 EU-Regulations Not specified
SECTION 16: Other Information
Disclaimer The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a guarantee or quality specification. The information relates only to the specific material designated and may not be valid for such material used in combination with any other materials or in any process, unless specified in the text.