Organic Acids
REACH
Butyric acid
CAS Number
107-92-6
EC Number
203-532-3
FEMA Number
FEMA 2221
What is Butyric acid?
Butyric acid (CAS 107-92-6) is a short-chain fatty acid produced commercially for food, feed, pharmaceutical, and cosmetic manufacturing. FEMA 2221.
Where is Butyric acid used?
- Food and beverage: dairy, rancid and fermented flavor notes in cheese flavors, butter emulations and savory seasonings
- Pharmaceutical and nutraceutical: gut health actives as the acid and its sodium and calcium salts
- Pharmaceutical: enteric coating components in tablet and capsule formulations
- Animal nutrition: feed additives supporting intestinal integrity in poultry and swine as an antimicrobial
- Fragrance and cosmetic: building block for butyrate esters with fruity and creamy scent profiles
- It also functions as a flavoring agent, pH regulator and precursor for ester synthesis.
Other Names (Synonyms)
butanoic acid|n-Butyric acid|n-Butanoic acid|propylformic acid|ethylacetic acid|1-propanecarboxylic acid|Butanic acid|1-Butyric acid
What are the physical properties of Butyric acid?
Melting Point -7.9 °C
Boiling Point 165.5 °C @ Press: 760 Torr
Density 0.9577 g/cm³ @ Temp: 20 °C
Flash Point 170 °F
Appearance Butyric acid is a combustible, oily liquid with an unpleasant odor. The Odor Threshold is 0.0001 ppm.
Color Clear colorless
Odor at 1.00 % in dipropylene glycol. sharp acetic cheese butter fruit
Form Liquid
Water Solubility MISCIBLE
Vapor Pressure 0.43 mm Hg ( 20 °C)
Refractive Index n 20/D 1.398(lit.)
pH 2.5 (100g/l, H2O, 20℃)
Log P 1.1 at 25℃
How is Butyric acid classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS06· Toxic GHS08· Health Hazard
Hazard Statements
H227 Combustible liquid
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H371 May cause damage to organs
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash … thoroughly after handling.
Which trade and regulatory codes apply to Butyric acid?
HS Code 2915 60 19
UN Number 2820
ADR Class 8
Packing Group III
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 1