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Chemical Name:
1-Isoamylene;C2H5C(CH3)=CH2;2-Methylbutene;gamma-Isoamylene;2-methyl-1-buten;2-METHYLBUTENE-1;2-METHYL-1-BUTENE;2-methyl-but-1-ene;1-butene,2-methyl-;Methyl-1-butene, 2-
Molecular Formula:
Formula Weight:
MOL File:

2-METHYL-1-BUTENE Properties

Melting point:
−137 °C(lit.)
Boiling point:
31 °C(lit.)
0.65 g/mL at 25 °C(lit.)
vapor pressure 
9.98 psi ( 20 °C)
refractive index 
n20/D 1.378(lit.)
Flash point:
storage temp. 
Water Solubility 
Soluble in ether, ethanol and benzene. Insoluble in water.
Stable. Incompatible with oxidizing agents. Extremely flammable.
CAS DataBase Reference
563-46-2(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F+,Xn,Xi
Risk Statements  12-65
Safety Statements  16-62-33-29-7/9
RIDADR  UN 2459 3/PG 1
WGK Germany  3
Hazard Note  Irritant
HazardClass  3
PackingGroup  I
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H224 Extremely flammable liquid and vapour Flammable liquids Category 1 Danger
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P331 Do NOT induce vomiting.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P405 Store locked up.

2-METHYL-1-BUTENE price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 66030 2-Methyl-1-butene analytical standard 563-46-2 5ml-f $47.4 2017-11-08 Buy
Sigma-Aldrich 257486 2-Methyl-1-butene 98% 563-46-2 25g $214 2017-11-08 Buy
TCI Chemical M0174 2-Methyl-1-butene >98.0%(GC) 563-46-2 25mL $99 2017-12-01 Buy
TCI Chemical M0174 2-Methyl-1-butene >98.0%(GC) 563-46-2 100mL $269 2017-12-01 Buy
Alfa Aesar H27230 2-Methyl-1-butene, 98% 563-46-2 25g $222 2017-11-08 Buy

2-METHYL-1-BUTENE Chemical Properties,Uses,Production

Chemical Properties

colourless liquid


ChEBI: An alkene that is but-1-ene carrying a methyl substituent at position 2.

General Description

A colorless volatile liquid with a disagreeable odor. Insoluble in water and less dense than water. Flash point below 0°F. Vapors are heavier than air. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

The unsaturated aliphatic hydrocarbons, such as 2-METHYL-1-BUTENE, are generally much more reactive than the alkanes. Strong oxidizers may react vigorously with them. Reducing agents can react exothermically to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, compounds in this class can undergo very exothermic addition polymerization reactions.

Health Hazard

Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

2-METHYL-1-BUTENE Preparation Products And Raw materials

Raw materials

Preparation Products

2-METHYL-1-BUTENE Suppliers

Global( 49)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32767 55
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96817 76
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30309 84
TCI (Shanghai) Development Co., Ltd. 800-988-0390
021-67121385 China 22830 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44192 61
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771 China 14544 57
Sinopharm Chemical Reagent Co,Ltd. 86-21-63210123
86-21-63290778 86-21-63218885 China 9977 79
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 QQ:452520369
+86 (573) 82222643 China 11850 57
Shanghai T&W Pharmaceutical Co., Ltd. +86 21 61551611
+86 21 50676805 China 9971 58
TCI Japan 03-3668-0489
03-3668-0520 Japan 24801 80

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