1,4-PENTADIENE manufacturers and suppliers

1,4-PENTADIENE suppliers

Properties

Melting point:: -148 °C

Boiling point:: 26 °C(lit.)

Density: 0.659 g/mL at 25 °C(lit.)

vapor pressure: 11.91 psi ( 20 °C)

refractive index: n20/D 1.389(lit.)

Flash point:: 40 °F

storage temp.: 0-6°C

solubility: Soluble in acetone, alcohol, benzene, and ether (Weast, 1986)

pka: >14 (Schwarzenbach et al., 1993)

form: Liquid

color: Clear colorless

Water Solubility: 558 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)

BRN: 1696934

Henry's Law Constant: 0.120 at 25 °C (Hine and Mookerjee, 1975)

Stability:: Stable. Highly flammable. Note low boiling point and low flash point. Incompatible with strong oxidizing agents.

Safety Information

Symbol(GHS): GHS02,GHS08

Signal word: Danger

Hazard statements: H224-H304

Precautionary statements: P210-P301+P310+P331-P403+P233

Hazard Codes: F+,Xn

Risk Statements: 12-65

Safety Statements: 16-23-62

RIDADR: UN 3295 3/PG 1

WGK Germany: 3

HazardClass: 3.1

PackingGroup: II

HS Code: 29012900

Use

1,4-PENTADIENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen. Can undergo exothermic polymerization reactions in the presence of various catalysts (such as acids) or initiators. May undergo autoxidation upon exposure to the air to form explosive peroxides. Violent explosions have occurred at low temperatures in ammonia synthesis gas units. These explosions have been traced to the decomposition of addition products between dienes such as this one and oxides of nitrogen [Bretherick, 1995].

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