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GOST 1625-89
Sphere of application
It is used as a raw material for producing plastics, paints, synthetic resins and adhesives, tanning agents, insulation materials, disinfectants and drug products, textile auxiliary substances; as a disinfectant in agriculture as well as in a number of organic syntheses.
Specifications
|
Appearance |
Colorless clear liquid. When storing, turbidity and white precipitation soluble at a temperature not above 40°C is acceptable |
|
Formaldehyde weight fraction, % |
37.0 ± 0.5 |
|
Methanol weight fraction, % |
4.0 - 8.0 |
|
Acid weight fraction on formic acid basis, % |
0.02 - 0.004 |
|
Loss on ignition weight fraction, % |
max. 0.008 |
|
Iron weight fraction, % |
0.0001 - 0.0005 |