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Chemical Name:
Molecular Formula:
Formula Weight:
MOL File:

2-Methyl-2-butene Properties

Melting point:
-134 °C
Boiling point:
35-38 °C(lit.)
0.835 g/mL at 25 °C
vapor density 
2.4 (vs air)
vapor pressure 
25.7 psi ( 55 °C)
refractive index 
n20/D 1.385(lit.)
Flash point:
−4 °F
storage temp. 
Flammables area
explosive limit
Water Solubility 
Miscible with alcohol, benzene, ligroin, ethylene oxide and ether. Immiscible with water.
CAS DataBase Reference
513-35-9(CAS DataBase Reference)
NIST Chemistry Reference
2-Butene, 2-methyl-(513-35-9)
EPA Substance Registry System
2-Butene, 2-methyl-(513-35-9)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,Xn,N,F+
Risk Statements  11-22-65-51/53-12-36/37/38-19-68-67-38-52/53-40-36/37
Safety Statements  45-9-61-33-16-36/37/39-26-62-36/37
RIDADR  UN 2460 3/PG 2
WGK Germany  3
HazardClass  3
PackingGroup  II
Hazardous Substances Data 513-35-9(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
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.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.

2-Methyl-2-butene price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 304042 2-Methyl-2-butene solution 2.0M in THF 513-35-9 100ml $58.7 2017-11-08 Buy
Sigma-Aldrich 379263 2-Methyl-2-butene technical grade, 90% 513-35-9 800ml $282.5 2017-11-08 Buy
TCI Chemical M0708 2-Methyl-2-butene >90.0%(GC) 513-35-9 25mL $16 2017-12-01 Buy
TCI Chemical M0708 2-Methyl-2-butene >90.0%(GC) 513-35-9 100mL $40 2017-12-01 Buy
Alfa Aesar 31853 2-Methyl-2-butene, tech. 90%, remainder mainly 2-methyl-1-butene 513-35-9 500g $179 2017-11-08 Buy

2-Methyl-2-butene Chemical Properties,Uses,Production

Chemical Properties

liquid with unpleasant odour (detection limit ca. 2 ppt)


ChEBI: An alkene that is ethylene in which three of the hydrogens are replaced by methyl groups.

General Description

A clear colorless liquid with a petroleum-like odor. Flash point less than 20°F. Less dense than water and insoluble in water. Hence floats on water. Vapors heavier than air.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

2-Methyl-2-butene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release gaseous hydrogen. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic 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-2-butene Preparation Products And Raw materials

Raw materials

Preparation Products

2-Methyl-2-butene Suppliers

Global( 102)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 CHINA 1374 55
Shanghai wechem chemical co., ltd 021-5198 7501
021-6192 7501 China 267 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96819 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40398 62
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
ShangHai DEMO Chemical Co.,Ltd 400-021-7337 qq:2355568890
0086-21-50182339; China 2608 57
BeiJing Hwrk Chemicals Limted 4006990298;010-57411839;0757-86311057;021-51691807
010-87653215;0757-86311057;021-55236763 China 14833 55
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44192 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18
0086-571-85864795 China 18276 66

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