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625-27-4

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Basic Information
CAS No.: 625-27-4
Name: 2-METHYL-2-PENTENE
Article Data: 167
Molecular Structure:
Molecular Structure of 625-27-4 (2-METHYL-2-PENTENE)
Formula: C6H12
Molecular Weight: 84.1613
Synonyms: 1,1-Dimethyl-1-butene;2,4-Dimethyl-2-butene; 2-Ethyl-1,1-dimethylethylene; 2-Methyl-2-pentene;4-Methyl-3-pentene; NSC 73910
EINECS: 210-883-6
Density: 0.69
Melting Point: ?135 °C(lit.)
Boiling Point: 67.1 °C at 760 mmHg
Flash Point: -27 ºC
Solubility: Insoluble in water,soluble in ethanol, ethyl ether
Appearance: Colorless liquid
Hazard Symbols:
Risk Codes: R11;R65   
Safety: Slightly toxic by inhalation. When heated to decomposition it emits acrid smoke and irritating vapors.
Transport Information: UN 3295
PSA: 0.00000
LogP: 2.36260
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Chemistry

Empirical Formula: C6H12
Molecular Weight: 84.1595 g/mol
Index of Refraction: 1.406
Density: 0.695 g/cm3
Enthalpy of Vaporization: 29.61 kJ/mol
Boiling Point: 67.1 °C at 760 mmHg
Vapour Pressure: 160 mmHg at 25 °C 
EINECS: 210-883-6
Melting point: -135 °C(lit.)
Appearance: Colourless liquid
Structure of 2-Methyl-2-pentene (CAS NO.625-27-4):
           
IUPAC Name: 2-Methylpent-2-ene
Product Categories of 2-Methyl-2-pentene (CAS NO.625-27-4): Acyclic;Alkenes;Organic Building Blocks
 

Toxicity Data With Reference

1.    

ihl-rat LC50:114 g/m3/4H

     RPTOAN    Russian Pharmacology and Toxicology. Translation of FATOAO. 31 (1968),162.
2.    

ihl-mus LC50:130 g/m3/2H

     RPTOAN    Russian Pharmacology and Toxicology. Translation of FATOAO. 31 (1968),162.

Safety Profile

Slightly toxic by inhalation. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes of 2-Methyl-2-pentene (CAS NO.625-27-4): FlammableF,HarmfulXn
Risk Statements: 11-65 
R11:Highly flammable. 
R65:Harmful: may cause lung damage if swallowed.
Safety Statements: 9-16-29-33-62 
S9:Keep container in a well-ventilated place. 
S16:Keep away from sources of ignition. 
S29:Do not empty into drains. 
S33:Take precautionary measures against static discharges. 
S62:If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.

Specification

 2-Methyl-2-pentene ,its cas register number is 625-27-4. It also can be called 2-Pentene, 2-methyl- ; Trans-2-Methyl-2-pentene ; 2-Methylpent-2-ene ; and 2-Methylpent-2-en .