Dimethylacetylene

Other Classes -> Aliphatics, Unsaturated

Flammable agents - 4th degree

Crotonylene appears as a clear colorless liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.

Clear colorless liquid with an odor of petroleum; [CAMEO]

Danger

H224 (100%): Extremely flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 76 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Chemical: 2-Butyne

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

· HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

CAUTION: Petroleum crude oil (UN1267) may contain TOXIC hydrogen sulphide gas.

CROTONYLENE may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.

Crotonylene

UN1144

Class 3 Flammable and combustible liquid (49 eCFR § 173.120)

PG I: the degree of danger presented by the material is great

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

General First Aid:

Excerpt from ERG Guide 128 [Flammable Liquids (Water-Immiscible)]:

Immediate precautionary measure