CAS No.: 115-19-5 Formula: C5H8O Molecular Weight: 84.11640
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CAS No.: 115-19-5 Formula: C5H8O Molecular Weight: 84.11640
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Basic Info

Chemical Name 2-Methyl-3-butyn-2-ol

2-Methylbut-3-yn-2-ol; 3-Methyl butynol; 3-Butyn-2-ol, 2-methyl-; 3-Methyl-1-butyn-3-ol;

CAS No. 115-19-5
Molecular Formula C5H8O
Molecular Weight 84.11640
PSA 20.23000
LogP 0.39050

Numbering system

EINECS number 204-070-5
PubChem number 24847925
MDL number MFCD00004467
BRN number 635746
RTECS number ES0810000


Appearance & Physical State colourless to light yellow liquid
Density 0.868
Boiling Point 104ºC
Melting Point 3ºC
Flash Point 25ºC
Refractive Index 1.4209-1.4220
Water Solubility miscible
Stability Stable. Flammable. Incompatible with strong oxidizing agents.
Storage Condition Flammables area
Vapor Pressure 15 mm Hg ( 20 °C)

Safety Info

RTECS ES0810000
Hazard Class 3
Safety Statements S16-S26-S39
HS Code 29052990
WGK Germany 1
Packing Group II
RIDADR UN 1987 3
Risk Statements R10; R22; R41
Hazard Codes Xn
Caution Statement P210; P280; P305 + P351 + P338
Symbol GHS02, GHS05, GHS07
Hazard Declaration H225; H302; H318
Signal Word Danger
1H NMR : parameter in CDCl3Expand

NMR Spectrum 1H NMR : parameter in CDCl3


C5 H8 O 0.04 ml : 0.5 ml CDCl3

Parameter ppm Hz
D(A) 2.426

D(B) 2.37

D(C) 1.533

IR : liquid filmExpand
Mass spectrum (electron ionization)Expand
Raman : 4880 A,200 M,liquidExpand
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