EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

methacrylic acid
2-propenoic acid, 2-methyl-

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CAS Number: 79-41-4Picture of molecule3D/inchi
Other(deleted CASRN):463311-95-7
ECHA EINECS - REACH Pre-Reg:201-204-4
FDA UNII: 1CS02G8656
Nikkaji Web:J3.843A
Beilstein Number:1719937
XlogP3:0.90 (est)
Molecular Weight:86.09022000
Formula:C4 H6 O2
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:film forming agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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DG SANTE Food Contact Materials:methacrylic acid
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:1.01500 to 1.01800 @ 20.00 °C.
Pounds per Gallon - (est).: 8.456 to 8.481
Refractive Index:1.43000 to 1.43200 @ 20.00 °C.
Melting Point: 16.00 °C. @ 760.00 mm Hg
Boiling Point: 163.00 °C. @ 760.00 mm Hg
Vapor Pressure:1.232000 mmHg @ 25.00 °C. (est)
Vapor Density:2.97 ( Air = 1 )
Flash Point: 170.00 °F. TCC ( 76.67 °C. )
logP (o/w): 0.930
Soluble in:
 water, 5.07e+004 mg/L @ 25 °C (est)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: film formers
Methacrylic Acid pure
Charkit Chemical
Covalent Chemical
Methacrylic Acid
Santa Cruz Biotechnology
For experimental / research use only.
Methacrylic Acid
Sigma-Aldrich: Aldrich
For experimental / research use only.
Methacrylic acid, contains 250 ppm MEHQ as inhibitor, 99%
Silver Fern Chemical
Methacrylic Acid (MAA)
Odor: characteristic
Use: MAA is used in plastic sheets, molded and extruded products, modifiers, and harder components of copolymers with acrylates for similar applications. It is favored for its hardness, flexibility, clarity, color compatibility, toughness, internal plasticization, and weatherability.
SysKem Chemie
Methacrylic Acid
For experimental / research use only.
Methacrylic Acid (stabilized with MEHQ) >99.0%(GC)
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
oral-child TDLo 250 uL/kg
Pediatrics. Vol. 102, Pg. 979, 1998.

intravenous-dog LDLo 95200 nL/kg
Journal of Pharmaceutical Sciences. Vol. 63, Pg. 376, 1974.

intraperitoneal-mouse LD50 48 mg/kg
Journal of Pharmaceutical Sciences. Vol. 62, Pg. 778, 1973.

oral-mouse LD50 1250 mg/kg
Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 25(11), Pg. 57, 1981.

unreported-mouse LD50 1250 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 49(10), Pg. 64, 1984.

oral-rabbit LD50 1200 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(8), Pg. 13, 1973.

oral-rat LD50 1060 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 41(4), Pg. 6, 1976.

unreported-rat LD50 1600 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 49(10), Pg. 64, 1984.

Dermal Toxicity:
skin-guinea pig LD50 1000 mg/kg
"Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2n rev. ed. in 1985.Vol. 2C, Pg. 4953, 1982.

skin-rabbit LD50 500 mg/kg
"Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 5, Pg. 362, 1986.

Inhalation Toxicity:
Not determined
Safety in Use Information:
film forming agents
Recommendation for methacrylic acid usage levels up to:
 not for fragrance use.
Recommendation for methacrylic acid flavor usage levels up to:
 not for flavor use.
Safety References:
European Food Safety Authority (EFSA) reference(s):

Safety of the proposed amendment of the specifications for basic methacrylate copolymer (E 1205) as a food additive
View page or View pdf

EPI System: View
NIOSH International Chemical Safety Cards:search
NIOSH Pocket Guide:search
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):79-41-4
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :4093
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:1
2-methylprop-2-enoic acid
EPA/NOAA CAMEO:hazardous materials
 2-methylprop-2-enoic acid
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:79-41-4
Pubchem (cid):4093
Pubchem (sid):134971408
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Indirect Additives used in Food Contact Substances:View
UM BBD:Search
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2916.13.0000
VCF-Online:VCF Volatile Compounds in Food
•100- or 150-ppm monomethyl ether hydroquinone added as an inhibitor. •40% aqueous solution (bp 76-78 deg c, 25 mm hg); crude monomer 85% pure, glacial (99% assay) •commercial products contain hydroquinone or hydroquinone methyl ether to inhibit polymerization
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 chamomile garden chamomile plant
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 chamomile roman chamomile oil
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2-methacrylic acid
 methacrylic acid pure
2-methyl-2-propenoic acid
2-methyl-acrylic acid
2-methylacrylic acid
2-methylene propionic acid
2-methylprop-2-enoic acid
2-propenoic acid, 2-methyl-
2-propenoic acid, 2-methyl-, endo-


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None found
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