Meets USP Reagent Specifications
Suggested Applications: HPLC, Spectrophotometry, ACS Reagent
Synonyms: Ethyl ethanoate, Acetic acid ethyl ester
Structural Formula: CH3COOCH2CH3
CAS number: 141-78-6
Hazard Class: 3
Package Group: II
UN number: UN1173
Specifications
Color (APHA): 10 max.
GC Analysis: 99.5% min.
Peroxides (as H2O2) at time of packaging: 2 mg/L max.
Refractive Index (20°C): 1.3720 - 1.3726
Residue: 3 mg/L max.
Substances Darkened by Sulfuric Acid: Passes test
Titrable Acid: 0.9 µeq/g max.
UV Absorbance @ 275 nm: 0.050 AU max.
UV Absorbance @ 300 nm: 0.030 AU max.
UV Absorbance @ 325 nm: 0.005 AU max.
UV Absorbance @ 400 nm: 0.005 AU max.
Water by Karl Fischer Titration: 0.03% max.
Surface Tension (dyn/cm) at 20°C: 23.75
Vapor Pressure (Torr) at 20°C: 73.0
Physical Properties
Density (g/mL) at 20°C: 0.9006
Molecular Weight: 88.11
Boiling Point (°C): 77.1
Freezing Point (°C): -84.0
Flashpoint (°C): -4