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Chemical Name:
t-amyl;TERT-PENTANOL;Amylenhydrate;C2H5C(CH3)2OH;T-AMYL ALCOHOL;AMYLENE HYDRATE;t-pentylalcohol;tert.Amylalkohol;TERT-AMYL ALCOHOL;2-methyl-2-butano
Molecular Formula:
Formula Weight:
MOL File:

2-Methyl-2-butanol Properties

Melting point:
-12 °C
Boiling point:
102 °C(lit.)
0.805 g/mL at 25 °C(lit.)
vapor density 
3 (vs air)
refractive index 
n20/D 1.405(lit.)
Flash point:
20 °C
storage temp. 
Flammables area
Miscible with alcohol, ether, benzene, chloroform, glycerol, oils and acetone.
Clear colorless
6.0 (118g/l, H2O, 20℃)neutral
explosive limit
Water Solubility 
120 g/L (20 ºC)
Light sensitive. Highly flammable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
75-85-4(CAS DataBase Reference)
NIST Chemistry Reference
2-Butanol, 2-methyl-(75-85-4)
EPA Substance Registry System
2-Butanol, 2-methyl-(75-85-4)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,Xn
Risk Statements  11-20-37/38-41-21
Safety Statements  46-39-36/37-26
RIDADR  UN 1105 3/PG 2
WGK Germany  1
RTECS  SC0175000
HazardClass  3
PackingGroup  II
HS Code  29051500
Hazardous Substances Data 75-85-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 1.0 g/kg (Schaffarzick, Brown)
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
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
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-butanol price More Price(16)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 152463 2-Methyl-2-butanol 99% 75-85-4 1l $110.5 2017-11-08 Buy
Sigma-Aldrich 152463 2-Methyl-2-butanol 99% 75-85-4 2.5l $259 2017-11-08 Buy
TCI Chemical P0059 tert-Amyl Alcohol >98.0%(GC) 75-85-4 25mL $14 2017-12-01 Buy
TCI Chemical P0059 tert-Amyl Alcohol >98.0%(GC) 75-85-4 500mL $33 2017-12-01 Buy
Alfa Aesar A18304 2-Methyl-2-butanol, 98% 75-85-4 500ml $54.2 2017-11-08 Buy

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

Chemical Properties

colourless liquid with a camphor-like odour


Pharmaceutic aid (solvent).


ChEBI: A tertiary alcohol that is propan-1-ol in which both of the hydrogens at position 1 have been replaced by methyl groups.

General Description

A clear, colorless liquid with an odor of camphor. Flash point 70°F. Density 0.81 g / cm3. Slightly soluble in water.

Air & Water Reactions

Highly flammable. Slightly soluble in water.

Reactivity Profile

2-Methyl-2-butanol attacks plastics [Handling Chemicals Safely 1980. p. 236]. Reacts violently with acetyl bromide [Merck 11th ed. 1989]. Mixtures of alcohols with concentrated sulfuric acid and strong hydrogen peroxide can cause explosions. Example: an explosion will occur if dimethylbenzylcarbinol is added to 90% hydrogen peroxide then acidified with concentrated sulfuric acid. Mixtures of ethyl alcohol with concentrated hydrogen peroxide form powerful explosives. Mixtures of hydrogen peroxide and 1-phenyl-2-methyl propyl alcohol tend to explode if acidified with 70% sulfuric acid [Chem. Eng. News 45(43):73 1967; J, Org. Chem. 28:1893 1963]. Alkyl hypochlorites are violently explosive. They are readily obtained by reacting hypochlorous acid and alcohols either in aqueous solution or mixed aqueous-carbon tetrachloride solutions. Chlorine plus alcohols would similarly yield alkyl hypochlorites. They decompose in the cold and explode on exposure to sunlight or heat. Tertiary hypochlorites are less unstable than secondary or primary hypochlorites [NFPA 491 M, 1991]. Base-catalysed reactions of isocyanates with alcohols should be carried out in inert solvents. Such reactions in the absence of solvents often occur with explosive violence [Wischmeyer 1969].

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 may cause pollution.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Purification Methods

Reflux it with K2CO3, CaH2, CaO or sodium, then fractionally distil. The near-dry alcohol is further dried by refluxing with Mg activated with iodine, as described for ethanol. Further purification is possible using fractional crystallisation and zone refining at <-10o or preparative gas chromatography. [Beilstein 1 IV 1668.]

2-Methyl-2-butanol Preparation Products And Raw materials

Raw materials

Preparation Products

2-Methyl-2-butanol Suppliers

Global( 187)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86 (0)571-855 867 18
+86 (0)571-858 647 95 China 19954 60
Henan DaKen Chemical CO.,LTD.
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Henan Tianfu Chemical Co.,Ltd.
0371-55170693 CHINA 20795 55
Mainchem Co., Ltd.
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Shanghai Aladdin Bio-Chem Technology Co.,LTD 021-20337333/400-620-6333
021-50323701 China 25126 65
Nanjing Habo Medical Technology Co., Ltd. 86-025-85760892, 13376090521
86-025-85766769, China 777 60
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 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 40399 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30308 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24654 81

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