SoleChem

2-methyl-1-butanol

Alcohols & Glycols Food & Nutrition
CAS
137-32-6
EC
205-289-9
Mol. Weight
88.15 g/mol

Description

2-Methyl-1-butanol (CAS 137-32-6), also known as primary active amyl alcohol, is a chiral aliphatic alcohol used across food, cosmetic, and polymer manufacturing. It functions primarily as a flavoring agent and solvent.

This chemical serves as a vital intermediate in the synthesis of esters and other derivatives. In food and beverage production, it is approved under FEMA 3998 as a flavoring ingredient for various applications.

It contributes significantly to fruit and fermented flavor profiles in finished products. Cosmetic formulators use it as a solvent and co-solvent in fragrance compounds and hair care formulations where performance is required.

The product is also utilized in topical preparations where controlled evaporation and carrier performance are essential. In polymer and plastics processing, it serves as a reactive intermediate for manufacturing.

It is used in the production of plasticizers, resins, and cross-linking agents. It also functions as a precursor to amyl esters, such as amyl acetate, used in both flavor and industrial coating applications.

The material is supplied as a clear liquid in drums and IBC containers. Food-grade material meeting FCC specifications is available for flavor industry applications to ensure high quality and safety.

Technical-grade is supplied for industrial and polymer end uses where specific regulatory standards are not required. Purity levels typically range from 98% upward depending on the intended application.

Our supply chain ensures consistent availability for global manufacturers. We provide comprehensive documentation including safety data sheets and certificates of analysis for every batch delivered to our clients.

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Physical Properties

Melting Point -70 °C
Boiling Point 128 °C @ Press: 760 Torr
Density 0.816 g/cm³ @ Temp: 20 °C
Flash Point 110 °F
Appearance Amyl alcohols (pentanols) have eight isomers. All are flammable, colorless liquids, except the isomer 2,2- dimethyl-1-propanol, which is a crystalline solid.
Color Clear colorless to very slightly yellow
Odor at 100.00 %. ethereal fusel alcoholic fatty greasy winey whiskey leathery cocoa
Form Liquid
Water Solubility 3.6 g/100 mL (30 ºC)
Vapor Pressure 3 mm Hg ( 20 °C)
Refractive Index n 20/D 1.411
pH 7 (H2O)
Log P 1.22

Safety & Handling (Learn More)

Danger GHS02 GHS05 GHS07
Hazard Statements
H226 Flammable liquid and vapor [Warning Flammable liquids]
H315 (97.4%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (97.4%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H319 Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H332 (97.4%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H335 (99.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Trade & Regulatory

HS Code 29051500
UN Number 1105
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 3

Documentation

Other Names

sec-butylcarbinol|primary active amyl alcohol|methyl-2-butan-1-ol|L-2-Methyl-1-butanol|DL-sec-butyl carbinol|DL-2-METHYL-1-BUTANOL, PRACT|DL-2-Methyl-1-butanol|D-2-METHYL-1-BUTANOL

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