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3,3-Dimethyl-1-butyne Structure

3,3-Dimethyl-1-butyne

Chemical Properties

Melting point -78 °C (lit.)
Boiling point 37-38 °C (lit.)
Density  0.667 g/mL at 25 °C (lit.)
vapor pressure  7.88 psi ( 20 °C)
refractive index  n20/D 1.374(lit.)
Flash point <−30 °F
storage temp.  2-8°C
solubility  Chloroform (Slightly), Methanol (Slightly)
form  Liquid
color  Clear colorless
PH 7.51 at 24.8℃ and 10g/L
Water Solubility  Miscible with chloroform, benzene and toluene. Immiscible with water.
BRN  1697100
Stability Stable, but highly flammable. Readily forms explosive mixtures with air. Note low flash point.
CAS DataBase Reference 917-92-0(CAS DataBase Reference)
FDA UNII PX4NL23U52
NIST Chemistry Reference 1-Butyne, 3,3-dimethyl-(917-92-0)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H225-H412
Precautionary statements P210-P233-P240-P241-P242-P273
Hazard Codes  F+,Xi
Risk Statements  12-36/37/38
Safety Statements  3-16-26-33-7/9
RIDADR  UN 3295 3/PG 2
WGK Germany  3
HazardClass  3
PackingGroup  I
HS Code  29012990
NFPA 704:
4
2 0

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3,3-Dimethyl-1-butyne Chemical Properties,Usage,Production

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