CAS Number: 627-19-0
Formula: C5H8
Formula Weight: 68.12
Linear Formula: CH3CH2CH2C///CH
MDL No.: MFCD00009469
Purity: 0.99
Boiling Point: 40 C(lit.)
Melting Point: -106--105 C (lit.)
Density: 0.691 g/mL at 25 C(lit.)
Refractive Index: n20/D 1.385(lit.)
Beilstein Registry Number: 1697133
EC Number: 210-987-1
UNSPSC Code: 12352100
General description: Selective and non-selective hydrogenation of 1-pentyne catalyzed by silica-supported palladium has been studied by in situ X-ray absorption spectroscopy.
Application: 1-Pentyne has been used in preparation of:. lithium acetylides, required for asymmetric synthesis of α,α-dibranched propargyl sulfinamides. 7-hydroxy-10-methoxy-3H-naphtho[2.1-b]pyrans
RIDADR: UN 3295BE 3 / PGII
WGK Germany: 3
Flash Point(F): -4 F
Flash Point(C): -20 C
R Codes: 11-36/37/38-65
S Codes: 16-26-36-62
IOD Codes: F,Xn
Symbol: GHS02, GHS07, GHS08
Signal Word: Danger
Hazard Statements: H225-H304-H315-H319-H335
Precautionary statements: P210-P261-P301 + P310-P305 + P351 + P338-P331