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Butyric acid

CAS Number
107-92-6
EC Number
203-532-3
Chemical Formula
C4H8O2
Molecular Weight
88.11 g/mol

Description

Butyric acid (CAS 107-92-6 ), also known by its FEMA 2221 designation in flavor applications, is a short-chain fatty acid produced commercially for use across food, feed, pharmaceutical, and cosmetic manufacturing. It functions primarily as a flavoring agent, pH regulator, and precursor for ester synthesis across multiple industrial sectors. In food and beverage production, it delivers characteristic dairy, rancid, and fermented flavor notes. These notes are used in cheese flavors, butter emulations, and savory seasonings. The pharmaceutical and nutraceutical sectors use the acid and its salts, particularly sodium and calcium butyrate, as gut health actives. It is also used as enteric coating components in tablet and capsule formulations. In animal nutrition, it is incorporated into feed additives to support intestinal integrity in poultry and swine, acting as an antimicrobial. It also serves as a growth-performance enhancer in these applications. Fragrance and cosmetic formulators use it as a building block for butyrate esters, which contribute fruity and creamy scent profiles to finished products. The product is supplied as a liquid in standard commercial and technical grades. Food-grade material conforming to FCC specifications is available for flavor and feed applications to ensure high quality. Pharmaceutical-grade supply meeting USP or BP standards is also accessible for regulated formulation use. This ensures compliance with international safety and purity requirements for sensitive applications. Contact us for supply of Butyric acid Request Quote

Other Names (Synonyms)

butanoic acid | n-Butyric acid | n-Butanoic acid | propylformic acid | ethylacetic acid | 1-propanecarboxylic acid | Butanic acid | 1-Butyric acid

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-7.9 °C
Boiling Point165.5 °C @ Press: 760 Torr
Density0.9577 g/cm³ @ Temp: 20 °C
Flash Point170 °F
AppearanceButyric acid is a combustible, oily liquid with an unpleasant odor. The Odor Threshold is 0.0001 ppm.
ColorClear colorless
Odorat 1.00 % in dipropylene glycol. sharp acetic cheese butter fruit
FormLiquid
Water SolubilityMISCIBLE
Vapor Pressure0.43 mm Hg ( 20 °C)
Refractive Indexn 20/D 1.398(lit.)
pH2.5 (100g/l, H2O, 20℃)
Log P1.1 at 25℃

Safety & Handling

Danger
GHS05· CorrosiveGHS07· IrritantGHS06· ToxicGHS08· Health Hazard

Hazard Statements

H227Combustible liquid
H302Harmful if swallowed
H311Toxic in contact with skin
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H371May cause damage to organs

Precautionary Statements

P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P262Do not get in eyes, on skin, or on clothing.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P403Store in a well-ventilated place.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P364Take off immediately all contaminated clothing and wash it before reuse.
P378Use … for extinction.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code2915 60 19
UN Number2820
ADR Class8
Packing GroupIII
Storage Class8A - Combustible corrosive hazardous materials
WGK (Germany)1