1423-60-5

Name 3-Butyn-2-one
CAS 1423-60-5
EINECS(EC#) 215-834-2
Molecular Formula C4H4O
MDL Number MFCD00008775
Molecular Weight 68.07
MOL File 1423-60-5.mol
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Chemical Properties

Appearance clear yellow to orange-brown liquid
Boiling point  85 °C(lit.)
density  0.87 g/mL at 25 °C(lit.)
refractive index  n20/D 1.406(lit.)
Fp  28 °F
storage temp.  0-6°C
form  Liquid
color  Clear yellow to orange-brown
Specific Gravity 0.870
Water Solubility  It is soluble in water.
BRN  605353
InChI 1S/C4H4O/c1-3-4(2)5/h1H,2H3
InChIKey XRGPFNGLRSIPSA-UHFFFAOYSA-N
SMILES CC(=O)C#C
CAS DataBase Reference 1423-60-5(CAS DataBase Reference)
NIST Chemistry Reference 3-Butyn-2-one(1423-60-5)
EPA Substance Registry System 1423-60-5(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Skull and Crossbones (GHS06)
GHS02,GHS06
Signal word  Danger
Hazard statements  H225-H300-H315-H319-H335
Precautionary statements  P210-P301+P310+P330-P302+P352-P305+P351+P338
Hazard Codes  F,T+,T,Xi,E,Xn
Risk Statements 
R28:Very Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R11:Highly Flammable.
R15:Contact with water liberates extremely flammable gases.
R10:Flammable.
Safety Statements 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S16:Keep away from sources of ignition-No smoking .
S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
S7/8:Keep container tightly closed and dry .
RIDADR  UN 1992 3/PG 2
WGK Germany  3
RTECS  ES0875000
F  19
Hazard Note  Highly Flammable/Highly Toxic
HazardClass  3
PackingGroup  II
HS Code  29141900
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 2 Oral
Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3

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Material Safety Data Sheet(MSDS)

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