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General Purpose Solvents

Acetonitrile AR

RA000149 CAS 75-05-8 AR

Identity

Product code
RA000149
CAS number
75-05-8
Grade
AR
Purity
99.5%
Molecular formula
CH3CN
Molecular weight
41.05

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Evaporation rate 5.79 —
Vapour pressure [20°C] 9.7 kPa kPa
Vapour pressure mm/Hg 73 —
Vapour density 1.4 —
Density [g/cm3] 0.786 g/cm3 g/cm3
Relative density, gas (air=1) 1.4 —
Solubility in water [% weight] Complete —
Colour Clear Colorless —
Odour Ether odor —
pH value 7 —
Melting point/ Freezing point [°C] -46 °C °C
Auto-ignition temperature [°C] 524 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] 2 °C °C
Boiling point [°C] 81.6 °C °C

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

Specifications

ParameterSpecificationUnit Method
Appearance Clear colorless liquid — —
Calcium (Ca) Max 0.00005 % % —
Chromium (Cr) Max 0.000002 % % —
Cobalt (Co) Max 0.000002 % % —
Copper (Cu) Max 0.000002 % % —
Iron (Fe) Max 0.00001 % % —
Lead (Pb) Max 0.00001 % % —
Magnesium (Mg) Max 0.00001 % % —
Manganese (Mn) Max 0.000002 % % —
Nickel (Ni) Max 0.000002 % % —
Water Max 0.1 % % —
Purity Min 99.5 % % GC
Free acid (as acetic acid) Max 0.005 % % —
Free alkali Max 0.001 % % —
Non-volatile matter Max 0.005 % % —
Aluminium (Al) Max 0.00005 % % —
Barium (Ba) Max 0.00001 % % —
Boron (B) Max 0.000002 % % —
Cadmium (Cd) Max 0.000005 % % —

10 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 RA000149-PK-25L
500 mL RA000149-PK-500ML
200 L RA000149-PK-200L
2.5 L RA000149-PK-2.5L