2,3-DIMETHYL-1,3-BUTADIENE

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Names

[ CAS No. ]:
513-81-5

[ Name ]:
2,3-DIMETHYL-1,3-BUTADIENE

[Synonym ]:
EINECS 208-172-0
2,3-DiMethyl-1,3-butadiene
MFCD00008595
2,3-dimethylbuta-1,3-diene

Chemical & Physical Properties

[ Density]:
0.727 g/mL at 20 °C

[ Boiling Point ]:
68-69 °C(lit.)

[ Melting Point ]:
−76 °C(lit.)

[ Molecular Formula ]:
C₆H₁₀

[ Molecular Weight ]:
82.14360

[ Flash Point ]:
−8 °F

[ Exact Mass ]:
82.07830

[ LogP ]:
2.13860

[ Vapour Pressure ]:
269 mm Hg ( 37.7 °C)

[ Index of Refraction ]:
n20/D 1.438(lit.)

[ Storage condition ]:
2-8°C

MSDS

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Safety Information

[ Symbol ]:

GHS02

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H225

[ Precautionary Statements ]:
P210

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F

[ Risk Phrases ]:
R11;R65

[ Safety Phrases ]:
S16-S23

[ RIDADR ]:
UN 3295 3/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
2901299090

Synthetic Route

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Customs

[ HS Code ]: 2901299090

[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%