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Technical formalin
GOST 1625-89

Technical formalin is used as a raw material for the production of plastics, paints, synthetic resins and glues, tanning substances, insulating materials, disinfectants and medicines, textile auxiliary substances; as a dresser in agriculture, as well as for numerous organic syntheses. 

 

Production: 

Production by means of contact transformation of methanol to formaldehyde along with subsequent formaldehyde absorption by water.

Basic physical and chemical features:

Appearance

Colorless transparent liquid. Turbidity or white sediment soluble at temperature not higher than 40oС may be formed

Mass share of formaldehyde, %

37,0 + 0,5

Mass share of methanol, %

from 4,0 to 8,0

Mass share of acids recalculated to formic acid, %

from 0,02 to 0,004

Mass share of residue after incineration, %

not exceeding 0,008

Mass share of iron, %

from 0,0001 to 0,0005


Transportation: 

Formalin is supplied in rail cars and road tankers with aluminum and stainless steel boilers.