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471-25-0

Name Propiolic acidd
CAS 471-25-0
EINECS(EC#) 207-437-8
Molecular Formula C3H2O2
MDL Number MFCD00004360
Molecular Weight 70.05
MOL File 471-25-0.mol
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Chemical Properties

Appearance viscous yellow liquid
Melting point  16-18 °C (lit.)
Boiling point  102 °C/200 mmHg (lit.)
density  1.138 g/mL at 25 °C(lit.)
refractive index  n20/D 1.431(lit.)
Fp  138 °F
storage temp.  2-8°C
form  Liquid After Melting
pka 1.84(at 25℃)
color  Clear colorless to light brown
Specific Gravity 1.138
Stability: Stable. Incompatible with bases, oxidizing agents, reducing agents. Combustible.
Water Solubility  miscible
Merck  14,7824
BRN  878176
CAS DataBase Reference 471-25-0(CAS DataBase Reference)
NIST Chemistry Reference Propiolic acid(471-25-0)
EPA Substance Registry System 471-25-0(EPA Substance)

Safety Data

Hazard Codes  T
Risk Statements 
R24/25:Toxic in contact with skin and if swallowed .
R34:Causes burns.
R25:Toxic if swallowed.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S24/25:Avoid contact with skin and eyes .
S7/9:Keep container tightly closed and in a well-ventilated place .
RIDADR  UN 2920 8/PG 2
WGK Germany  3
RTECS  UD9300000
F  3-8
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  29161980
Hazardous Substances Data 471-25-0(Hazardous Substances Data)

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