Colorless liquid with the extremely unpleasant smell of rancid butter.

CAS:   107-92-6

MF:   C4H8O2

MW:   88.11

EINECS:  203-532-3

Synonyms: 3-Methylpropionic acid; normal Butyric acid; Tetranoic acid (Butyric);Butyric acid >=99.0%;n-Butyric acid, synthesis grade; n-Butyric Acid, FCC; n-Butyric acid, 99+% 100ML;n-Butyric acid, 99+% 1LT222;2-Methyl propioric acid, 2-Methylpropionic acid, 2-METHYL PROPANOIC ACID

Properties

Density:   0.964g/cm3

Melting Point(℃):   -6- −3℃

Boiling Point(℃):  162°C

Flash Point(℃):   76.67°C/ 170℉

Water Solubility:   Miscible

FEMA:   2221 | BUTYRIC ACID

vapor pressure:  0.43 mm Hg ( 20 °C)

refractive index:   n20/D 1.398(lit.)

pka:  4.83(at 25℃)

PH:   2.35(500g/l, H2O, 20℃)

Explosive Limit:  2-12.3%(V)

Merck:  14,1593

BRN:   906770

Application

Used for preparation of spices, pharmaceuticals and other organic chemicals, also used for deashing leather, and as synthetic materials for preparation of other organic chemicals.

Safety Information

Symbol(GHS) 

 GHS02, GHS05,GHS06, GHS07

Signal word: Danger

Hazard Codes:   C,Xi

Risk:  34

Safety:   26-36-45

RIDADR:  UN 2820 8/PG 3

RTECS   ES5425000

F   13

TSCA   Yes

Hazard Class   8

Packing Group   III

Structural formula: