Methacrylic Acid

Synonyms: 2-Methylprop-2-enoic acid

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Chemical Name Methacrylic Acid
Product Form Substance
Catalogue No. AL2974
CAS Number 79-41-4
EC Number 201-204-4
EC Index Number 607-095-00-7
Grade 99% For Synthesis
HSN Code 29161310
Molecular Formula C4H6O2
SECTION 1: Identification of the substance/mixture and of the company/undertaking
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
Chemical Structure -
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
SECTION 2: Hazards identification
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.
SECTION 3: Composition/information on ingredients
3.1 Substance
Name Methacrylic Acid
CAS No. 79-41-4
SECTION 4: First aid measures
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.
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 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.
SECTION 6: Accidental release measures
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
SECTION 7: Handling and storage
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.
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
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
SECTION 10: Stability and reactivity
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.
SECTION 11: Toxicological information
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)
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 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
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.