Melting point :13 °C (lit.)
Boiling point :139 °C (lit.)
Density :1.051 g/mL at 25 °C (lit.)
vapor density :2.5 (vs air)
vapor pressure :4 mm Hg ( 20 °C)
refractive index :n20/D 1.421
Flash point :130 °F
storage temp. :Store at +15°C to +25°C.
solubility :1000g/l
form :Liquid
pka :4.25(at 25℃)
color :Clear
Odor :Acrid odor
PH Range :1 - 2
PH :3.68(1 mM solution);3.14(10 mM solution);2.63(100 mM solution);
explosive limit :3.9-19.8%(V)
Water Solubility :MISCIBLE
Sensitive :Air Sensitive
λmax :231nm(lit.)
Merck :14,130
BRN :635743
Exposure limits :TLV-TWA 10 ppm (30 mg/m³) (ACGIH).
Stability :Stability Unstable - may contain p-methoxyphenol as an inhibitor. Prone to hazardous polymerization. Combustible. Incompatible with strong oxidizing agents, strong bases, amines. Contact with oxidizers may cause fire. Light and air sensitive. Hygroscopic.
LogP :0.46 at 25℃
CAS DataBase Reference :79-10-7(CAS DataBase Reference)
IARC :3 (Vol. 19, Sup 7, 71) 1999
NIST Chemistry Reference :2-Propenoic acid(79-10-7)
EPA Substance Registry System :Acrylic acid (79-10-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face 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.