SoleChem

2-methylbutyric acid

Organic Acids Personal Care & Cosmetics
CAS
116-53-0
EC
204-145-2
Mol. Weight
102.13 g/mol

Description

2-Methylbutyric acid (CAS 116-53-0), also known by its FEMA 2695 designation, is a short-chain branched organic acid used primarily as a flavoring agent and fragrance ingredient.

It delivers a characteristic pungent, cheesy, and fruity odor profile that underpins its demand in both food and personal care formulations. In food and beverage manufacturing, it functions as a flavor compound.

It contributes to dairy, fruit, and savory taste profiles in products such as cheese analogs, snack seasonings, and processed meat flavors. Fragrance formulators incorporate it into personal care products.

These include soaps, shampoos, and fine fragrances where its sharp, fermented note adds depth to complex scent compositions. At controlled concentrations, it also acts as a pH modifier and mild preservative.

In cosmetic formulations, its acidic buffering supports product stability. Flavor houses source it as a building block for synthesizing more complex ester-based aroma chemicals for various industries.

The product is supplied as a colorless to pale yellow liquid. It is available in food-grade quality meeting FEMA and FCC standards, as well as technical grade for industrial and fragrance applications.

Packaging typically ranges from small drums to bulk quantities depending on application volume. This ensures flexibility for both small-scale specialty labs and large-scale manufacturing facilities.

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Physical Properties

Melting Point -70 °C
Boiling Point 177 °C
Density 0.9338 g/cm³ @ Temp: 21 °C
Flash Point 165 °F
Appearance clear colorless to pale yellowish liquid
Color Clear colorless to pale yellow
Odor at 10.00 % in propylene glycol. pungent acid roquefort cheese
Form Liquid
Water Solubility 45 g/L (20 ºC)
Vapor Pressure 0.5 mm Hg ( 20 °C)
Refractive Index n 20/D 1.405(lit.)
Log P 1.8 at 25℃

Safety & Handling (Learn More)

Danger GHS05 GHS07
Hazard Statements
H290 May be corrosive to metals
H302 Harmful if swallowed
H312 Harmful in contact with skin
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
Precautionary Statements
P234 Keep only in original packaging.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P390 Absorb spillage to prevent material damage.
P405 Store locked up.
P406 Store in a corrosion-resistant/… container with a resistant inner liner.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P362+P364 Take off contaminated clothing and wash it before reuse.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29156090
UN Number 3265
ADR Class 8
Packing Group III
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 1

Documentation

Other Names

methylethylacetic acid|ethylmethylacetic acid|DL-2-methylbutyric acid|butane-2-carboxylic acid|alpha-methylbutyric acid|2-methylbutanoic acid|2-methybutyric acid|2-ethylpropionic acid

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