Mesitylene
- CAS Number
- 108-67-8
- HSN Code
- 29029090
- Molecular Formula
- C9H12
- Catalogue Number
- AL2968
- Purity
- ≥ 98%
- Molecular Weight
- 120.19 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
1,3,5-trimethylbenzene is a trimethylbenzene carrying methyl substituents at positions 1, 3 and 5.
Also known as 1,3,5-Trimethylbenzene.
- Catalogue No.
- AL2968
- CAS Number
- 108-67-8
- Molecular Formula
- C9H12
- Molecular Weight
- 120.19 g/mol
- HSN Code
- 29029090
- Grade
- 98% For Synthesis
- Product Form
- Substance
Melting point: -44.8 °C; Boiling point: 164.7 °C at 760 mm Hg; Flash point: 122 °F (50 °C) (Closed cup); Density: 0.8637 at 20 °C/4 °C; Solubility: Miscible with alcohol, ether, benzene.
- Appearance
- Clear, colorless liquid
- Shelf Life
- -
- Packaging
- Available in: 500 ml glass bottle, 2.5 Lt glass bottle
- Storage
- Fireproof. Separated from strong oxidants. Well closed. Keep in a well-ventilated room.
1.1 — Product identifier
- Chemical Name
- Mesitylene
- Catalogue No.
- AL2968
- Product form
- Substance
- CAS Number
- 108-67-8
- EC Number
- 203-604-4
- Grade
- 98% For Synthesis
- EC Index Number
- 601-026-00-5
- Chemical Formula
- C9H12
- HSN Code
- 29029090
- Synonyms
- 1,3,5-Trimethylbenzene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent and synthetic intermediate in organic chemistry.
- 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
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Flam. Liq. 3; STOT SE 3; Aquatic Chronic 2
- Classification source
- ECHA C&L Inventory via PubChem CID 7947 - 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, Environmental Hazard
- Signal word
- Warning
- Hazard statements
- H226: Flammable liquid and vapor; H335: May cause respiratory irritation; H411: Toxic to aquatic life with long lasting effects
2.3 — Other hazards
- Other hazards
- Vapor may cause drowsiness or dizziness.
3.1 — Substance
- Name
- Mesitylene
- CAS No.
- 108-67-8
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, wash the contaminated skin with soap and water.
- 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, and respiratory 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
- Flammable liquid; vapors may form explosive mixtures with air.
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
- Evacuate area and eliminate all ignition sources. Ventilate area.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT wash away into sewer. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible.
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 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. Well closed. Keep in a well-ventilated room.
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.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless
- Odour
- Peculiar odor
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -44.8 °C
- Freezing point
- Not specified
- Boiling point
- 164.7 °C at 760 mm Hg
- Flash point
- 122 °F (50 °C) (Closed cup)
- Auto-ignition temperature
- 1039 °F (559 °C)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- Vapor pressure = 1.86 mm Hg @ 20 °C
- Relative vapour density at 20°C
- 1.006 AT 20 °C (AIR = 1)
- Density
- 0.8637 at 20 °C/4 °C
- Solubility
- Miscible with alcohol, ether, benzene
- Log Pow
- 3.42
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- 1.1% - 7.0% (v/v) in air
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
- Decomposes on burning. This produces toxic and irritating fumes. Reacts violently with strong oxidants.
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
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 (oral, rat) > 5000 mg/kg.
- 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)
- H335: May cause respiratory irritation
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
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)
- UN 2325
- UN-No. (IMDG)
- UN 2325
- UN-No. (IATA)
- UN 2325
- UN-No. (ADN)
- UN 2325
- UN-No. (RID)
- UN 2325
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Mesitylene
- Proper Shipping Name (IMDG)
- Mesitylene
- Proper Shipping Name (IATA)
- Mesitylene
- Proper Shipping Name (ADN)
- Mesitylene
- Proper Shipping Name (RID)
- Mesitylene
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
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as a high-boiling solvent in organic synthesis and as a reference compound in aromatic chemistry research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL02433
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 120.19 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | A clear colourless liquid | A clear colourless liquid |
| Assay (GC) | Min. 98.0% | 98.29% |
| Density (d20°C/4°C) | 0.864 – 0.866 | 0.865 |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% For Synthesis | ≥ 98% | m.p. -44.8 °C; b.p. 164.7 °C at 760 mm Hg | ≤ 0.5% | ≤ 0.1% | None detected | Miscible with alcohol, ether, benzene |
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“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
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“Speedy delivery, professional staff.”
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