Mesityl Oxide

Synonyms: 4-methyl-3-penten-2-one

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Mesityl Oxide
Product Form Substance
Catalogue No. AL2969
CAS Number 141-79-7
EC Number 205-502-5
EC Index Number 606-059-00-9
Grade 98% For Synthesis
HSN Code 29141990
Molecular Formula C6H10O
SECTION 1: Identification of the substance/mixture and of the company/undertaking
1.1 Product identifier
Chemical Name Mesityl Oxide
Catalogue No. AL2969
Product form Substance
CAS Number 141-79-7
EC Number 205-502-5
Grade 98% For Synthesis
EC Index Number 606-059-00-9
Chemical Formula C6H10O
HSN Code 29141990
Synonyms 4-methyl-3-penten-2-one
Chemical Structure -
1.2 Relevant identified uses of the substance or mixture and uses advised against
Use of the substance/mixture Solvent and synthetic intermediate
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
2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 Flam. Liq. 3; Acute Tox. 4
Classification source ECHA C&L Inventory via PubChem CID 8858 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 Label elements
Hazard pictograms Flammable, Irritant
Signal word Warning
Hazard statements H226: Flammable liquid and vapor; H302: Harmful if swallowed; H312: Harmful in contact with skin; H332: Harmful if inhaled
2.3 Other hazards
Other hazards None known
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Mesityl Oxide
CAS No. 141-79-7
SECTION 4: First aid measures
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 Headache, dizziness, nausea, irritation of eyes and skin.
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 A harmful contamination of the air can be reached rather quickly on evaporation of this substance at 20 °C.
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 Evacuate area and eliminate all ignition sources. Contain spill and absorb with inert material.
6.3 Methods and material for containment and cleaning up
Methods for cleaning up Personal protection: self-contained breathing apparatus. Ventilation. Do NOT let this chemical enter the environment. Collect leaking liquid in sealable containers.
6.4 Reference to other sections
Reference Not specified
SECTION 7: Handling and storage
7.1 Precautions for safe handling
Precautions for safe handling Avoid contact with skin and eyes. Use in a well-ventilated area.
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 Fireproof. Separated from strong oxidants and acids. Do NOT store or transport in containers made from plastic or copper. Cool. Keep in the dark. Store in an area without drain or sewer access.
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 Use appropriate respiratory protection if ventilation is inadequate.
SECTION 9: Physical and chemical properties
9.1 Information on basic physical and chemical properties
Physical state Liquid
Colour Colorless to pale yellow
Odour spearmint
Odour threshold Not specified
pH value Not specified
Relative evaporation rate (butylacetate=1) Not specified
Melting point -59 °C
Freezing point Not specified
Boiling point 130 °C at 760 mm Hg
Flash point 87 °F (31 °C) (Closed cup)
Auto-ignition temperature 652 °F (344 °C)
Decomposition temperature Not specified
Flammability (solid, gas) Flammable liquid
Vapour pressure 8.21 mm Hg at 25 °C
Relative vapour density at 20°C 3.4 (Air = 1)
Density 0.8592 at 15 °C/4 °C
Solubility Sol in about 30 parts water; miscible with most org liq
Log Pow 1.7
Viscosity, kinematic Not specified
Viscosity, dynamic Not specified
Explosive properties Not explosive
Oxidising properties Not oxidizing
Explosive limits Lower: 1.1% vol, Upper: 7.0% vol
SECTION 10: Stability and reactivity
10.1 Reactivity
Reactivity Stable under normal conditions, but may react 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 The substance can presumably form explosive peroxides. Reacts violently with strong oxidants and acids. Attacks many plastics and copper.
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, and bases.
10.6 Hazardous decomposition products
Hazardous decomposition products When heated to decomposition it emits acrid smoke and irritating fumes.
SECTION 11: Toxicological information
11.1 Information on toxicological effects
Acute toxicity LD50 Rat oral 655 mg/kg; LC50 Rat inhalation 1130 ppm/4 hr; LC50 Rat inhalation 9 gcu m4 hr
Skin corrosion/irritation Not classified (based on available data)
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)
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) UN 1229
UN-No. (IMDG) UN 1229
UN-No. (IATA) UN 1229
UN-No. (ADN) UN 1229
UN-No. (RID) UN 1229
14.2 UN proper shipping name
Proper Shipping Name (ADR) Mesityl Oxide
Proper Shipping Name (IMDG) Mesityl Oxide
Proper Shipping Name (IATA) Mesityl Oxide
Proper Shipping Name (ADN) Mesityl Oxide
Proper Shipping Name (RID) Mesityl Oxide
14.3 Transport hazard class(es)
Transport hazard class(es) 3
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
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.