Propyne suppliers

Propyne

CAS:: 74-99-7

MF:: C3H4

MW:: 40.06

SecurityInformation

Symbol(GHS) ：: GHS02,GHS04,GHS07

Signal word ：: Danger

Hazard statements ：: H220-H280-H335

Precautionary statements ：: P210-P410+P403

Hazard Codes ：: F,Xi

Risk Statements ：: 11-37-43

Safety Statements ：: 16-36-38-37

RIDADR ：: UN 1954 2.1

OEB：: A

OEL：: TWA: 1000 ppm (1650 mg/m3)

WGK Germany ：: -

RTECS ：: UK4250000

HazardClass ：: 2.1

PackingGroup ：: II

HS Code ：: 2901290000

Hazardous Substances Data：: 74-99-7(Hazardous Substances Data)

IDLA：: 1,700 ppm [10% LEL]

Use：: Propyne is highly flammable. The liquid material in cylinders contains about 30% propadiene. Detonation may occur at 95° C [MCA Case History No. 632]. Reacts exothermically with many oxidizing agents and with some reducing agents as well. May react with silver, copper, and mercury salts in aqueous solution to give explosive acetylides. Incompatible with brass that contains more than 65% copper, with other copper-containing alloys, with Monel metal, with neoprene, polyethylene, and, to a lesser extent, with Teflon. May enflame in air in the presence of Co, Hg, Hg salts, K, Ag, Ag salts, RbH, CsH, halogens, HNO3, NaH. Can decompose explosively when compressed to 4.5 to 5.6 atmospheres. Moderate explosion hazard when exposed to heat or flame or by spontaneous chemical reaction. Has been known to decompose explosively at high pressures and moderate temperatures in the absence of air.

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Dalian Richfortune Chemicals Co., Ltd