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Acrylic acid Structure

Acrylic acid

Chemical Properties

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)

Safety Information

Hazard Codes  C,N
Risk Statements  10-20/21/22-35-50
Safety Statements  26-36/37/39-45-61
RIDADR  UN 2218 8/PG 2
WGK Germany  1
RTECS  AS4375000
8-13
Autoignition Temperature 744 °F
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29161110
Hazardous Substances Data 79-10-7(Hazardous Substances Data)
Toxicity LD50 orally in rats: 2.59 g/kg (Smyth)

MSDS

Usage And Synthesis

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