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3-Methyl-1-pentyn-3-ol Structure

3-Methyl-1-pentyn-3-ol

Chemical Properties

Melting point -30 °C
Boiling point 121-122 °C(lit.)
Density  0.866 g/mL at 25 °C(lit.)
vapor density  3 (vs air)
vapor pressure  6.5 mm Hg ( 20 °C)
refractive index  n20/D 1.431(lit.)
Flash point 80 °F
storage temp.  Flammables area
solubility  Cellosolve: miscible
pka 13.34±0.29(Predicted)
form  clear liquid
color  Colorless to Light yellow
explosive limit 1.8-16.0%(V)
Merck  13,5870
BRN  969340
CAS DataBase Reference 77-75-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII B017BC5B1N
ATC code N05CM15,N05CX03
NIST Chemistry Reference Meparfynol(77-75-8)
EPA Substance Registry System 3-Methyl-1-pentyn-3-ol (77-75-8)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H226-H302
Precautionary statements P210-P301+P312+P330
Hazard Codes  Xn,F+
Risk Statements  10-22-51/53-2017/10/22
Safety Statements  23-36-61
RIDADR  UN 1986 3/PG 3
WGK Germany  1
RTECS  SC4900000
HazardClass  3
PackingGroup  III
HS Code  29052990
HS Code  29280090
Toxicity LD50 orally in mice, rats, guinea pigs: 600-900 mg/kg (Margolin)
NFPA 704:
2
1 0

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