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Organic Chemicals

BUTAN-2-OL GC Reference Standard

RA003781 CAS 78-92-2

Identity

Product code
RA003781
CAS number
78-92-2
Molecular formula
C4H10O
Molecular weight
74.12

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Boiling point [°C] 99.5 °C °C
Vapour pressure [20°C] 12 mmHg mmHg
Vapour density 2.6 —
Density [g/cm3] 0.808 g/cm3 g/cm3
Solubility in water [% weight] 12.5 g/100 mL g/100 mL
Viscosity at 40°C [mm2/s] 3.5 cP cP
Explosion limits - upper [%] 9.80 % %
Explosion limits -lower [%] 1.70 % %
Colour Clear Colorless —
Odour sweet, fruity odor —
Odour threshold 3.2 ppm ppm
pH value 7 —
Melting point/ Freezing point [°C] -115 °C °C
Auto-ignition temperature [°C] 405 °C °C
Flammability (solid, gas) Flammable —
Flash point [°C] 24 °C °C

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

Specifications

ParameterSpecificationUnit Method
Appearance A clear colourless liquid — —
Traceablility Traceable to USP reference Standard — —
Purity Min 99.5 % % GC
Identification Passes test — IR
Identification (GC-MS method) Passes Test — —
Identification (1H NMR method) Conform to Structure — —
Colour scale Max 10 APHA APHA —
Residue on evaporation Max 0.005 % % —
Water Max 0.2 % % KF
Potency Reported on COA — —

Method names in parentheses (for example "GC method") identify the analytical technique applied to that parameter; they are not product grades.

Packaging

Pack size SKU
20 mL RA003781-PK-20ML
100 mL RA003781-PK-100ML