CHEMICAL IDENTIFICATION AND PROPERTIES
Boiling point: 170.6 °F (77 °C)
Flash point: 24.8 °F (-4 °C) Closed Cup
Molecular formula: C4-H8-O2
Molecular weight: 88.11 g/mol
Vapor pressure: 97.3 hPa
 
PRODUCT SPECIFICATIONS
 
TEST
MONO GRAPH
SPECIFICATION
Assay
NF
98.0-102.0%
Assay as C4H8O2
FCC
NLT 99.0%
Identification A
NF
Infrared Absorption <197F>
Identification by IR
FCC
Compares favorably to reference spectrum
Identification A
EP+
Boiling point: 76°C-78°C
Identification B
EP
IR comparable with Reference spectrum
Identification C
EP+
It gives the reaction of acetyl
Identification D
EP+
It gives the reaction of esters
Description
FCC
Colorless Liquid; Volatile at Low Temperature; Flammable
Appearance of Solution
EP
The solution is clear and colorless
Odor
FCC
Acetous, Ethereal
Solubility
FCC+
Miscible with alcohol, ether, glycerin, most oils; 1mL dissolves in 10 mL water
Boiling Point
FCC+
~77°C
Specific Gravity @ 25°C
NF/FCC
0.894-0.898
Relative Density @ 20°C
EP
0.898-0.902
Refractive Index @ 20°C
FCC
1.370-1.375
 
EP/BP
1.370-1.373
Acidity
NF+
NMT 0.10 mL of 0.10N NaOH for neutralization
 
EP+
The solution remains pink for not less than 15 sec.
Acid Value
FCC+
NMT 5.0
Readily Carbonizable Substances
NF+
No dark zone develops within 15 minutes
Reaction with Sulfuric Acid
EP/BP+
Interface of the 2 liquids is not colored
Readily Carbonizable Substances
FCC+
Passes Test
Methyl Compounds
FCC+
Passes Test
Chromatographic Purity
NF
Acetaldehyde
NMT 0.1%
 
 
Ethyl isobutyl ether
NMT 0.1%
 
 
Methyl compounds
NMT 0.1%
 
 
Other impurities
NMT 0.3%
Related substances
EP
NMT 0.2% of the area of the principal peak.
Residue After Evaporation
FCC+
NMT 0.02%
Residue on evaporation
EP+
30 ppm max.
Limit of nonvolatile residue
NF+
NMT 0.02%
Distillation Range
FCC+
76-77.5°C
Water
EP/BP
0.1% max.