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HPLC Solvents

Acetonitrile/Water 50:50 (W/W)

RA000289 CAS 75-05-8 HPLC

Identity

Product code
RA000289
CAS number
75-05-8
Grade
HPLC
Purity
50%
Molecular formula
CH3CN
Molecular weight
41.05

Classification

Applications
HPLC

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] 0.79 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
Appearance Clear colorless liquid —
at 230 nm Min 95 % %
Assay 49.5 - 50.5 % %
Water 49.5 - 50.5 % %
Free alkali Max 0.0002 % %
Non-volatile matter Max 0.0005 % %
Free acid (as acetic acid) Max 0.001 % %
at 200 nm Min 90 % %
at 210 nm Min 93 % %

Packaging

Pack size SKU
2.5 L RA000289-PK-2.5L