Methacrylic Acid
- CAS Number
- 79-41-4
- HSN Code
- 29161310
- Molecular Formula
- C4H6O2
- Catalogue Number
- AL2974
- Purity
- ≥ 99%
- Molecular Weight
- 86.09 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Methacrylic acid is an alpha,beta-unsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. It is functionally related to an acrylic acid.
Also known as 2-Methylprop-2-enoic acid.
- Catalogue No.
- AL2974
- CAS Number
- 79-41-4
- Molecular Formula
- C4H6O2
- Molecular Weight
- 86.09 g/mol
- HSN Code
- 29161310
- Grade
- 99% For Synthesis
- Product Form
- Substance
Melting point: 16 °C; Boiling point: 163 °C at 760 mm Hg; Flash point: 77 °C; Density: 1.0153 at 20 °C/4 °C; Solubility: Soluble in chloroform; miscible with ethanol, ether.
- Appearance
- Clear colorless liquid or colorless crystals
- Shelf Life
- 2 years
- Packaging
- Available in: 500 ml glass bottle, 2.5 Lt glass bottle
- Storage
- Separated from strong oxidants and food and feedstuffs. Cool. Keep in the dark. Keep in a well-ventilated room. Store only if stabilized. Store only in original container.
1.1 — Product identifier
- Chemical Name
- Methacrylic Acid
- Catalogue No.
- AL2974
- Product form
- Substance
- CAS Number
- 79-41-4
- EC Number
- 201-204-4
- Grade
- 99% For Synthesis
- EC Index Number
- 607-095-00-7
- Chemical Formula
- C4H6O2
- HSN Code
- 29161310
- Synonyms
- 2-Methylprop-2-enoic acid
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in the synthesis of polymers and resins.
- 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
- Acute Tox. 4; Acute Tox. 3; Skin Corr. 1A; Eye Dam. 1; STOT SE 3
- Classification source
- ECHA C&L Inventory via PubChem CID 4093 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Corrosive, Acute Toxic
- Signal word
- Danger
- Hazard statements
- H302: Harmful if swallowed; H311: Toxic in contact with skin; H314: Causes severe skin burns and eye damage; H318: Causes serious eye damage; H332: Harmful if inhaled; H335: May cause respiratory irritation
2.3 — Other hazards
- Other hazards
- Corrosive to metals.
3.1 — Substance
- Name
- Methacrylic Acid
- CAS No.
- 79-41-4
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
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Burning sensation, redness, and pain in contact areas.
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
- Vapours are uninhibited and may polymerize, causing blockage of vents.
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 ventilate. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Personal protection: complete protective clothing including self-contained breathing apparatus. Collect leaking and spilled liquid in sealable plastic containers as far as possible. Cautiously neutralize remainder with aqueous sodium carbonate or lime. Then wash away with plenty of water.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use gloves and goggles. Handle in a fume hood.
- 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 strong oxidants and food and feedstuffs. Cool. Keep in the dark. Keep in a well-ventilated room. Store only if stabilized. Store only in original container.
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
- Acrid, repulsive odor
- Odour threshold
- Not specified
- pH value
- Not specified
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 16 °C
- Freezing point
- Not specified
- Boiling point
- 163 °C at 760 mm Hg
- Flash point
- 77 °C
- Auto-ignition temperature
- 752 °F (400 °C)
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- 0.65 mmHg at 68 °F ; 1 mmHg at 77 °F
- Relative vapour density at 20°C
- 2.97 (Air = 1)
- Density
- 1.0153 at 20 °C/4 °C
- Solubility
- Soluble in chloroform; miscible with ethanol, ether
- Log Pow
- 0.93
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Reacts with strong oxidizing agents and bases.
10.2 — Chemical stability
- Chemical stability
- Acrylic acid and methacrylic acid readily polymerize in the presence of light, heat and oxygen, and also under the action of oxidizing agents such as peroxides.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- The substance is a medium strong acid. The substance readily polymerizes due to heating or under the influence of light, oxidizing agents such as peroxides, or in the presence of traces of hydrochloric acid. This generates fire or explosion hazard.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizers, bases, and amines.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits acrid smoke and irritating fumes.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 1060 mg/kg; LD50 MOUSE ORAL 1250 MG/KG; LD50 Mouse ip 48 mg/kg
- Skin corrosion/irritation
- H314: Causes severe skin burns and eye damage
- Serious eye damage/irritation
- H318: Causes serious eye damage
- 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 2531
- UN-No. (IMDG)
- UN 2531
- UN-No. (IATA)
- UN 2531
- UN-No. (ADN)
- UN 2531
- UN-No. (RID)
- UN 2531
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Methacrylic Acid
- Proper Shipping Name (IMDG)
- Methacrylic Acid
- Proper Shipping Name (IATA)
- Methacrylic Acid
- Proper Shipping Name (ADN)
- Methacrylic Acid
- Proper Shipping Name (RID)
- Methacrylic Acid
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 8
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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 the fundamental monomer in methyl methacrylate (PMMA/acrylic glass) and other methacrylate polymer synthesis research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01000
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 86.09 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | A clear colorless liquid | A clear colorless liquid |
| Assay | (Min) 99.0% | 99.29% |
| d 20°/4° | 1.013 - 1.015g | 1.014g |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 99% For Synthesis | ≥ 99% | m.p. 16 °C; b.p. 163 °C at 760 mm Hg | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in chloroform; miscible with ethanol, ether |
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