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3-Methyl-1-butene(CAS#563-45-1)

Chemical Property:

Molecular Formula C5H10
Molar Mass 70.13
Density 0.627g/mLat 20°C(lit.)
Melting Point -168 °C
Boling Point 20°C(lit.)
Flash Point -57 °C
Water Solubility 130 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966)
Solubility Soluble in alcohol, benzene, and ether (Weast, 1986)
Vapor Presure 14.97 psi ( 20 °C)
Appearance neat
Color Colorless to Almost colorless
BRN 505980
pKa >14 (Schwarzenbach et al., 1993)
Storage Condition −20°C
Refractive Index n20/D 1.364
Physical and Chemical Properties Melting Point:-168

Boiling Point: 20

density: 0.627

refractive index: 1.3643


Product Detail

Product Tags

Risk Codes R12 – Extremely Flammable
R36/37/38 – Irritating to eyes, respiratory system and skin.
R65 – Harmful: May cause lung damage if swallowed
Safety Description S16 – Keep away from sources of ignition.
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S62 – If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label.
UN IDs UN 2561 3/PG 1
WGK Germany 3
FLUKA BRAND F CODES 4.5-31
Hazard Class 3.1
Packing Group I

 

Introduction

Properties:-3-Methyl-1-butene is a colorless liquid with a peculiar odor. – It has a low boiling point and a high flash point, which can occur in the presence of flammable gases. – It can react violently with oxygen, so exposure to environments with high oxygen concentrations should be avoided. – It can be dissolved in many organic solvents such as ethanol, acetone, etc. Uses: -3-methyl-1-butene can be used as a solvent or reaction intermediate. – It is commonly used in chemical products such as coatings and plastics. – It can also be used in the production of diesel additives and high-energy fuels. Method: The preparation of -3-methyl-1-butene can be achieved by alkylation reaction, usually n-butane reaction with methylation reagent. – Acidic catalysts, metal catalysts, or enzyme catalysts can be used to facilitate the reaction. Safety Information:- 3-Methyl-1-butene is a combustible substance, avoid contact with open flames or high-temperature surfaces. – Contact with strong oxidants and strong acids should be avoided during handling or storage to avoid possible dangerous reactions. – When in use, wear appropriate protective equipment such as gloves, goggles, and protective clothing. – When handling this compound, it should be done in a well-ventilated area to avoid its vapor concentration exceeding the safe limit.


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