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Appearance:Colorless gas
Throughput:100|Kilogram|Month
pd_productuse:intermediate
Delivery Time:large stock
Purity:99% purity
Propyne Chemical Properties
Melting point -102.7 °C (lit.)
Boiling point -23.2 °C (lit.)
density 0.6070
vapor pressure 204.6 mm Hg ( −49.5 °C)
refractive index 1.3863
Fp -51 °C
solubility Soluble in alcohol, benzene, and chloroform (Weast, 1986)
form gas
color Colorless, flammable gas with a sweet odor
Water Solubility 3,640 mg/L at 20 °C (quoted, Verschueren, 1983)
Henry's Law Constant 0.11 at 25 °C (Hine and Mookerjee, 1975)
Exposure limits NIOSH REL: TWA 1,000 ppm (1,650 mg/m3), IDLH 1,700 ppm; OSHA PEL: TWA 1,000 ppm; ACGIH TLV: TWA 1,000 ppm (adopted).
InChIKey MWWATHDPGQKSAR-UHFFFAOYSA-N
CAS DataBase Reference 74-99-7(CAS DataBase Reference)
NIST Chemistry Reference Propyne(74-99-7)
EPA Substance Registry System Propyne (74-99-7)
Safety Information
Hazard Codes F,Xi
Risk Statements 11-37-43
Safety Statements 16-36-38-37
RIDADR UN 1954 2.1
WGK Germany -
RTECS UK4250000
HazardClass 2.1
PackingGroup II
Hazardous Substances Data 74-99-7(Hazardous Substances Data)
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