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Chemical Information
Flash_Point -51 °C
Molecular_Formula C3H4
Density 0.648 g/cm3
Exact_Mass 40.03130
LogP 0.63950
Boiling_Point −23.2 °C(lit.)
Melting_Point −102.7 °C(lit.)
Molecular_Weight 40.06390
Index_of_Refraction 1.363
Safe Information
Risk_Phrases R11;R37
WGK_Germany -
Hazard_Class 2.1
Safety_Phrases S16-S36-S38
Hazard_Codes F:Flammable;Xi:Irritant;
Precautionary_Statements P210-P304 + P340 + P312-P377-P381-P410 + P403
HS_Code 2901299090
Symbol GHS02, GHS04, GHS07
Signal_Word Danger
RTECS UK4250000
Personal_Protective_Equipment Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
RIDADR UN 1954 2.1
Hazard_Statements H220-H280-H335
Product Information
Flash_Point -51 °C
Symbol GHS02, GHS04, GHS07
CAS_Number 74-99-7
Signal_Word Danger
Common_Name propyne
Molecular_Formula C3H4
Melting_Point −102.7 °C(lit.)
Molecular_Weight 40.06390
MSDS ChineseUSA
Density 0.648 g/cm3
Boiling_Point −23.2 °C(lit.)
None