927-74-2

Name 3-Butyn-1-ol
CAS 927-74-2
EINECS(EC#) 213-161-9
Molecular Formula C4H6O
MDL Number MFCD00002955
Molecular Weight 70.09
MOL File 927-74-2.mol

Chemical Properties

Appearance colourless liquid
Melting point  -63.6 °C (lit.)
Boiling point  128.9 °C (lit.)
density  0.926 g/mL at 25 °C(lit.)
refractive index  n20/D 1.441(lit.)
Fp  97 °F
storage temp.  Flammables area
solubility  Miscible with alcohols and organic solvents. Immiscible with aliphatic hydrocarbon solvents.
form  Liquid
pka 14.22±0.10(Predicted)
color  Clear colorless to light yellow
Specific Gravity 0.972
Stability: Stable. Substances to be avoided include oxidizing agents, acids and acid anhydrides, copper and copper alloys. Flammable.
Detection Methods GC,NMR
BRN  773710
InChI 1S/C4H6O/c1-2-3-4-5/h1,5H,3-4H2
InChIKey OTJZCIYGRUNXTP-UHFFFAOYSA-N
SMILES OCCC#C
LogP 0.130 (est)
CAS DataBase Reference 927-74-2(CAS DataBase Reference)
NIST Chemistry Reference 3-Butyn-1-ol(927-74-2)
EPA Substance Registry System 927-74-2(EPA Substance)

Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Warning
Hazard statements  H226-H315-H319-H335
Precautionary statements  P210-P302+P352-P305+P351+P338
Hazard Codes  Xi,F
Risk Statements 
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
S16:Keep away from sources of ignition-No smoking .
RIDADR  UN 1986 3/PG 3
WGK Germany  3
RTECS  ES0710000
TSCA  Yes
REACH Registrations Active
HazardClass  3
PackingGroup  III
HS Code  29052990
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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