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Fixatives

Formaldehyde Solution Extra Pure

RA000256 CAS 50-00-0 Extra Pure

Identity

Product code
RA000256
CAS number
50-00-0
Grade
Extra Pure
Purity
37%
Molecular formula
HCHO
Molecular weight
30.03

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Vapour pressure mm/Hg 1.3 mmHg mmHg
Vapour density 1.04 —
Density [g/cm3] 1.08 g/cm3 g/cm3
Solubility in water [% weight] Infinitely soluble —
Explosion limits - upper [%] 73 % %
Explosion limits -lower [%] 7 % %
Colour Clear Colorles —
Odour Pungent —
pH value 2.8 —
Melting point/ Freezing point [°C] -15 °C °C
Auto-ignition temperature [°C] 300 °C °C
Flash point [°C] 64 °C °C
Boiling point [°C] 96 °C °C
Vapour pressure [20°C] 1.3 mmHg mmHg

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

Specifications

ParameterSpecificationUnit Method
Appearance Clear colorless solution with strong pungent odor — —
Assay 37 - 41 % w/v % w/v acidimetric
Weight/ mL (20 °C) 1.080 - 1.090 g g —
Content of methanol 8 - 12 % w/w % w/w —
Ash content Max 0.02 % % —
Chloride (Cl) 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
30 L RA000256-PK-30L
500 mL RA000256-PK-500ML
100 L RA000256-PK-100L
2.5 L RA000256-PK-2.5L
5 L RA000256-PK-5L