Identification
Product identifiers, regulatory numbers, and supplier information
Product Information
- Product Name
- Mesityl oxide
- Product Code
- L05891
Regulatory Identifiers
- CAS Number
- 141-79-7 Check regulations →
- EC Number
- 205-502-5 Check regulations →
Identified Uses
SU24 Scientific research and development
Manufacturers & Suppliers
Alfa Aesar, Thermo Fisher Scientific Chemicals, Inc.
manufacturer
30 Bond Street, Ward Hill, MA 01835-8099
800-343-0660
www.alfa.com
Emergency Contacts
Emergency Contact
(800) 343-0660
Monday-Friday, 8am-7pm EST
Carechem 24
(866) 928-0789
Hazard Identification
GHS classification, signal word, pictograms, and hazard statements
Hazard Classifications
GHS Pictograms
GHS02
GHS07
Hazard Statements
Precautionary Statements
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Composition / Information on Ingredients
Chemical components, concentration ranges, and hazardous substance identification
Chemical characterization: Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Mesityl oxide EC: 205-502-5 | 141-79-7 | --- | No |
4-Methyl-4-penten-2-one
First Aid Measures
Emergency procedures for chemical exposure incidents
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
Rinse opened eye for several minutes under running water. Then consult a doctor.
Seek medical treatment.
Immediate Medical Attention
Seek immediate medical advice; consult a doctor; seek medical treatment.
Firefighting Measures
Extinguishing media, specific hazards, and firefighter protection
CO2, sand, extinguishing powder.
Do not use water.
If this product is involved in a fire, the following can be released: Carbon monoxide and carbon dioxide
Firefighter Protection
Wear self-contained respirator. Wear fully protective impervious suit.
Accidental Release Measures
Spill cleanup procedures, containment, and environmental protection
Wear protective equipment. Keep unprotected persons away.
Do not allow material to be released to the environment without proper governmental permits.
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust).
Materials: sand, diatomite, acid binders, universal binders, sawdust
Related Products
Similar products with comparable safety profiles
Handling and Storage
Safe handling precautions, storage conditions, and workplace requirements
Keep container tightly sealed. Ensure good ventilation at the workplace.
Store in cool, dry place in tightly closed containers. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Keep ignition sources away.
Exposure Controls / PPE
Occupational exposure limits, engineering controls, and protective equipment
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Penetration time of glove material (in minutes) Not determined
Safety glasses
Use suitable respirator when high concentrations are present.
Protective work clothing.
Physical and Chemical Properties
Appearance, physical state, melting point, boiling point, and material characteristics
Stability and Reactivity
Chemical stability, hazardous reactions, and incompatible materials
Stable under recommended storage conditions.
No information known.
No dangerous reactions known
No further relevant information available.
Oxidizing agents
Carbon monoxide and carbon dioxide
Ecological Information
Environmental toxicity, biodegradation, and bioaccumulation data
The data for this section has not been processed yet.
Disposal Considerations
Waste treatment methods, disposal recommendations, and waste codes
Consult state, local or national regulations to ensure proper disposal.
Transport Information
UN numbers, shipping names, transport classes, and regulatory requirements
- UN Number
- UN1229
- Shipping Name
- Mesityl oxide
- Transport Class
- 3
- Packing Group
- III
Warning: Flammable liquids
Warning: Flammable liquids
Warning: Flammable liquids
Regulatory Information
Chemical regulations, safety assessments, and compliance status
For use only by technically qualified individuals.
Frequently Asked Questions
Common questions about safety, handling, and properties
What is the hazard signal word for Mesityl oxide?
The signal word is warning.
What is the physical form of Mesityl oxide?
Mesityl oxide is a oil appearing as oil with colorless color. It has not determined odor.
What is Mesityl oxide used for?
SU24 Scientific research and development
What are the hazard statements for Mesityl oxide?
This substance has 2 hazard statements:
- H226: Flammable liquid and vapour.
- H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled.
What is the melting point of Mesityl oxide?
The melting point is -59 °C (-74 °F) and the boiling point is 129-130 °C (264-266 °F).