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1,2-Pentadiene

1,2-Pentadiene structure

CAS No:
591-95-7
Formula:
C5H8
Chemical Name:
1,2-Pentadiene
Synonyms:
1,2-Pentadiene;1-Methyl-2,3-butadiene;Ethylallene;44211-89-4
Categories:
Chemical Reagents > Organic Reagents

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1,2-Pentadiene Basic Attributes

Molecular Weight：

68.12

Exact Mass：

68.12

EC Number：

209-737-4

UNII：

TQ3OA4EJO9

Characteristics

PSA：

XLogP3：

1.73750

Density：

0.689 g/cm³ @ Temp: 20 °C

Melting Point：

-137.3 °C

Boiling Point：

44.9 °C

Refractive Index：

1.4170 to 1.4210

Safety Information

Packing level：

Hazard category：

Transport codes：

UN 3295 3/PG II

Precautionary statement(s)：

P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, P501

Hazard Statements：

H225

GHS Classification：

|Danger|H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]|P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501|Aggregated GHS information provided by 23 companies from 1 notifications to the ECHA C&L Inventory.

Computed Properties

Molecular Weight:68.12
XLogP3:1.5
Rotatable Bond Count:1
Exact Mass:68.062600255
Monoisotopic Mass:68.062600255
Heavy Atom Count:5
Complexity:47.1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:No