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1,2-Propadiene
[CAS# 463-49-0]

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CAS: 463-49-0
Product: 1,2-Propadiene
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Identification
Classification Organic raw materials >> Hydrocarbon compounds and their derivatives >> Acyclic hydrocarbon
Name 1,2-Propadiene
Synonyms Bis(methylene)methane; Dimethylenemethane; sym-Allylene
Molecular Structure CAS # 463-49-0, 1,2-Propadiene, Bis(methylene)methane, Dimethylenemethane, sym-Allylene
Molecular Formula C3H4
Molecular Weight 40.06
CAS Registry Number 463-49-0
EC Number 207-335-3
Properties
Solubility Slightly soluble (1.2 g/L) (25 ºC), Calc.*
Density 1.787 g/cm3**
Melting point 146 ºC***
Boiling point 79-85 ºC (20 Torr)****
Refractive index 1.4168**
Flash point -84.8±13.0 ºC, Calc.*
* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)
** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)
*** Lespieau, K.; Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 1905, V140, P1035.
**** Joy, F.; Journal of Organometallic Chemistry 1966, V5(6), P506-19.
Safety Data
Hazard Symbols symbol   F+    Details
Risk Codes R12    Details
Safety Description S9;S16;S33    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Gases under pressure (liquid)Press. Gas (Liq.) H280
Flammable gasesFlam. Gas1H220
Gases under pressure (compressed)Press. Gas (Comp.) H280
Flammable gasesFlam. Gas2H221
Flammable gasesFlam. Gas1H220
Chemically unstable gasesChem. Unst. GasBH231
Transport Information UN 2200 2.1
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