Chemical Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
European Community number - used for regulatory compliance in EU/EEA
Uses Information
Overview
Mesityl oxide (CAS: 141-79-7 ) is a oil substance commonly used su24 scientific research and development.
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GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS02
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H226: Flammable liquid and vapour.
- H302 + H312 + H332: Harmful if swallowed, in contact with skin or if inhaled.
Precautionary Statements
- P210: Keep away from heat/sparks/open flames/hot surfaces. No smoking.
- P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
- P280: Wear protective gloves/protective clothing/eye protection/face protection.
- P303 + P361 + P353: If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower.
- P403 + P235: Store in a well-ventilated place. Keep cool.
- P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
Chemical Manufacturers & Supply Chain
Authorized suppliers, manufacturers, and distribution network information
Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.
manufacturer
24/7 Emergency Response & Poison Control
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
Emergency Contact
(800) 343-0660
Monday-Friday, 8am-7pm EST
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
Product Type
substanceGeneral Composition
Chemical characterization: Substances
Chemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Mesityloxide EC: 205-502-5 | 141-79-7 | Not specified | ✓ Non-hazardous |
Additional Information
4-Methyl-4-penten-2-one
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
🫁 Inhalation Exposure
Supply fresh air. If required, provide artificial respiration. Keep patient warm.
🖐️ Skin Contact
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
👁️ Eye Contact
Rinse opened eye for several minutes under running water. Then consult a doctor.
🍽️ Ingestion/Swallowing
Seek medical treatment.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Exposure Controls & Personal Protective Equipment (PPE)
Occupational exposure limits, engineering controls, and required safety equipment
🏭 Engineering Controls
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
🧤 Hand Protection
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.
👁️ Eye Protection
Safety glasses.
😷 Respiratory Protection
Use suitable respirator when high concentrations are present.
🦺 Skin/Body Protection
Protective work clothing.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
🏷️ UN Number
UN1229
📦 Proper Shipping Name
Mesityl oxide
⚠️ Transport Hazard Class
3
📋 Packing Group
III
🚢 IMDG Maritime Transport Precautions
F-E,S-Ď
✈️ IATA Air Transport Precautions
F-E,S-Ď
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for Mesityl oxide?
The signal word for this substance is "warning".
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 °℃ (-74 ºF) and the boiling point is 129-130 ℃ (264-266 °F).