Melting point :-48 °C (lit.)
Boiling point :100 °C (lit.)
Density :0.936 g/mL at 25 °C (lit.)
vapor density :3.5 (vs air)
vapor pressure :29 mm Hg ( 20 °C)
FEMA :4002 | METHYL 2-METHYL-2-PROPENOATE
refractive index :n20/D 1.414(lit.)
Flash point :50 °F
storage temp. :2-8°C
solubility :15g/l
form :Crystalline Powder or Crystals
color :White to pale yellow
Odor :at 0.10 % in dipropylene glycol. acrylic aromatic fruity
Odor Type :acrylate
biological source :synthetic
explosive limit :2.1-12.5%(V)
Odor Threshold :0.21ppm
Water Solubility :15.9 g/L (20 ºC)
Thermal Conductivity :0.147 W/(m·K) at 25 ℃
Merck :14,5941
JECFA Number :1834
BRN :605459
Henry's Law Constant :2.46 x 10^-4 atmm³/mol at 20 °C (approximate - calculated from water solubility and vapor pressure)
Dielectric constant :2.9（20℃）
Exposure limits :NIOSH REL: TWA 100 ppm (410 mg/m³), IDLH 1,000 ppm; OSHA PEL: TWA 100 ppm; ACGIH TLV: TWA 100 ppm with intended TWA and STEL values of 50 and 100 ppm, respectively.
Stability :Volatile
Major Application :flavors and fragrances
Cosmetic Ingredient Review (CIR) :Methyl methacrylate (80-62-6)
InChI :1S/C5H8O2/c1-4(2)5(6)7-3/h1H2,2-3H3
InChIKey :VVQNEPGJFQJSBK-UHFFFAOYSA-N
SMILES :COC(=O)C(C)=C
LogP :1.38 at 20℃
CAS DataBase Reference :80-62-6(CAS DataBase Reference)
IARC :3 (Vol. Sup 7, 60) 1994
NIST Chemistry Reference :2-Propenoic acid, 2-methyl-, methyl ester(80-62-6)
EPA Substance Registry System :Methyl methacrylate (80-62-6)
ECETOC JACC REPORT :Methyl methacrylate (80-62-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H361 Suspected of damaging fertility or the unborn child Reproductive toxicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. P370+P378 In case of fire: Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…