Technical Data Sheet
Eastman™ Isobutyric Acid
Applications
Agriculture intermediates
Dyes / pigments / paints
Food flavors & food fragrances
Fragrance ingredients
Herbicides - intermediate for other
Intermediates
Other-food chemicals
Pharmaceutical chemicals
Protective coatings
Product Description
Eastman™ Isobutyric Acid ((CH3)2CHCOOH) is a colorless, medium boiling liquid. Esters of isobutyric acid are used as solvents for various applications where desirable odors and flavor characteristics are important. The potassium salt of isobutyric acid is effective as a solubility promoter in the caustic extraction of mercaptans from sour petroleum stocks.
Typical Properties
Property
Typical Value, Units
General
Molecular Weight
88.1
Empirical Formula
C
4
H
8
O
2
Form
Liquid
Color
Pt-Co
5
Specific Gravity
@ 20°C/20°C
0.95
Assay
99.5 wt %
Boiling Point
155 °C (311 °F)
Freezing Point
-47 °C (-53 °F)
Vapor Pressure
@ 20°C
1.5 mm Hg
Heat of Combustion
517 k·cal/g
Refractive Index
1.39 n(20°C/D)
Solubility
in Water, @ 25°C
21 wt %
Water In, @ 25°C
42 wt %
Fire Point
67 °C (153 °F)
Flash Point
Tag Closed Cup
59 °C (139 °F)
Tag Open Cup
77 °C (170 °F)
Autoignition Temperature
482 °C (900 °F)
Viscosity
@ 25°C
1.3 cP
Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.
Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.
2/28/2018 11:35:39 AM