Skip to content
Organic Acids

Formic Acid AR

RA000265 CAS 64-18-6 AR

Identity

Product code
RA000265
CAS number
64-18-6
Grade
AR
Purity
98%
Molecular formula
CH2O2
Molecular weight
46.03

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Final boiling point [°C] 101 °C °C
Vapour pressure [20°C] 42 hPa hPa
Vapour density 1.59 —
Density [g/cm3] 1.22 g/cm3 g/cm3
Solubility in water [% weight] Infinitely soluble —
Partition coefficient Log Pow octanol / water at 20°C 0.54 —
Explosion limits - upper [%] 57 % %
Explosion limits -lower [%] 18 % %
Colour Clear Colorless —
Odour Pungent —
pH value 2.2 —
Melting point/ Freezing point [°C] 8.2 - 8.4 °C °C
Auto-ignition temperature [°C] 601 °C °C
Flash point [°C] 48 °C °C
Boiling point [°C] 100 - 101 °C °C
Initial boiling point [°C] 100 °C °C

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

Specifications

ParameterSpecificationUnit Method
Appearance A clear colorless liquid with pungent odor — —
Sulphite Max 0.001 % % —
Copper (Cu) Max 0.0005 % % —
Iron (Fe) Max 0.0003 % % —
Lead (Pb) Max 0.0005 % % —
Non-volatile matter Max 0.002 % % —
Assay Min 98 % % alkalimetric
Weight/ mL (20 °C) 1.216 - 1.220 g g —
Freezing point Min 5.5 °C °C —
Insoluble matter in water Passes test — —
Acetic acid (CH3COOH) Max 0.3 % % —
Chloride (Cl) Max 0.0005 % % —
Nitrogen compounds Max 0.002 % % —
Sulphate (SO4) Max 0.001 % % —

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

Packaging

Pack size SKU
500 mL RA000265-PK-500ML