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General Purpose Solvents

n-HEPTANE AR

RA000270 CAS 142-82-5 AR

Identity

Product code
RA000270
CAS number
142-82-5
Grade
AR
Purity
99%
Molecular formula
C7H16
Molecular weight
100.21

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Vapour pressure [20°C] 53.3 hPa hPa
Vapour pressure mm/Hg 46 mmHg mmHg
Vapour density 3.5 —
Density [g/cm3] 0.68 g/cm3 g/cm3
Solubility in water [% weight] Insoluble in water —
Partition coefficient Log Pow octanol / water at 20°C Min 3 —
Explosion limits - upper [%] 7 % %
Explosion limits -lower [%] 1.10 % %
Colour Clear Colorless —
Odour mild odor - gasoline-like —
Melting point/ Freezing point [°C] -91 °C °C
Auto-ignition temperature [°C] 223 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] -4.0 °C °C
Boiling point [°C] 98 °C °C
Evaporation rate 2.8 —

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

Specifications

ParameterSpecificationUnit Method
Appearance A clear colorless liquid — —
Non-volatile matter Max 0.001 % % —
Sulphur compounds (CS2) Max 0.0003 % % —
Copper (Cu) Max 0.00002 % % —
Iron (Fe) Max 0.00005 % % —
Lead (Pb) Max 0.00002 % % —
Purity Min 99.0 % % GC
Density (d20°C/4°C) 0.683 - 0.686 — —
Refractive index (20°C; 589 nm) (20 °C) 1.387 - 1.388 — —
Bromine number Max 0.5 — —
Miscibility with chloroform & diethyl ether Passes test — —
Water Max 0.02 % % KF
Acidity Max 0.001 % % —
Alkalinity Max 0.001 % % —

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 RA000270-PK-25L
500 mL RA000270-PK-500ML
2.5 L RA000270-PK-2.5L