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42969-65-3

Name (R)-(+)-3-Butyn-2-ol
CAS 42969-65-3
Molecular Formula C4H6O
MDL Number MFCD00211237
Molecular Weight 70.09
MOL File 42969-65-3.mol
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Chemical Properties

Appearance clear colorless to yellow liquid
Melting point  -22.07°C (estimate)
alpha  46.7 º (neat)
Boiling point  108-111 °C (lit.)
density  0.89
refractive index  1.4235-1.4255
Fp  10°C
storage temp.  Poison room
form  Liquid
pka 13.28±0.20(Predicted)
color  Clear colorless to yellow
Specific Gravity 0.88
optical activity [α]22/D +45°, neat
BRN  3587272
CAS DataBase Reference 42969-65-3(CAS DataBase Reference)

Safety Data

Hazard Codes  F,T+
Risk Statements 
R11:Highly Flammable.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R28:Very Toxic if swallowed.
R24:Toxic in contact with skin.
R43:May cause sensitization by skin contact.
R41:Risk of serious damage to eyes.
R40:Limited evidence of a carcinogenic effect.
R26/28:Very Toxic by inhalation and if swallowed .
R10:Flammable.
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
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:Avoid contact with skin .
RIDADR  1986
WGK Germany  3
HazardClass  6.1
PackingGroup  II
HS Code  29052900

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Material Safety Data Sheet(MSDS)

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