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General Purpose Solvents

Ethyl Methyl Ketone AR/ACS

RA000255 CAS 78-93-3 AR/ACS

Identity

Product code
RA000255
CAS number
78-93-3
Grade
AR/ACS
Purity
99.5%
Molecular formula
C4H8O
Molecular weight
72.11

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Vapour pressure [20°C] 95 hPa hPa
Vapour density 2.49 —
Density [g/cm3] 0.81 g/cm3 g/cm3
Partition coefficient Log Pow octanol / water at 20°C 0.29 —
Explosion limits - upper [%] 10.10 % %
Explosion limits -lower [%] 1.80 % %
Colour Clear Colorless —
Odour Sharp mint-like odor —
Melting point/ Freezing point [°C] -87 °C °C
Auto-ignition temperature [°C] 404 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] -3 °C °C
Boiling point [°C] 80 °C °C
Evaporation rate 2.7 —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance A clear colourless liquid — —
Methanol (GC method, area %) Max 0.05 % % —
2-Methyl-2-propanol Max 0.1 % % GC
Substance reducing KMnO4 Max 0.0003 % % —
Refractive index (20°C; 589 nm) (20 °C) 1.377 - 1.389 — —
Water Max 0.2 % % —
Non-volatile matter Max 0.002 % % —
Copper (Cu) Max 0.0001 % % —
Iron (Fe) Max 0.0001 % % —
Lead (Pb) Max 0.0001 % % —
Purity Min 99.5 % % GC
Weight/ mL (20 °C) 0.805 - 0.815 g g —
Colour scale Max 10 APHA APHA —
Titrable acid Max 0.0005 meq/g meq/g —
Alkalinity Max 0.0002 meq/g meq/g —
Boiling Point 79 - 80 °C °C —
Acetone (CH3.CO.CH3) by GC Max 0.05 % % —
2-Butanol Max 0.05 % % GC

Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades. Grade of this product: AR/ACS.

7 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
25 L RA000255-PK-25L
500 mL RA000255-PK-500ML
200 L RA000255-PK-200L
2.5 L RA000255-PK-2.5L