Formaldehyde，same as Formalin, is part of color less combustible gas, which has great irritating and suffocating impact on nose or eye of human being. It is easily dissolved in water with strong reducibility.
Usage:
formaldehyde, one of the organic raw materials that in frequent use, is extensively used in the production of urea formaldehyde resin, resinox, acetal resin, melamine resin, and etc. Executive Standard: GBT9009-1998

Item Index Grade	High-class	First-class	Qualified-class
Chrominance (Platinum-Co)No.,%,≤	10	---	---
Content of formaldehyde,%	37.0-37.4	36.7-37.4	36.5-37.4
Content of Methanol,%,≤	negotiation	negotiation	negotiation
Acidity (by formic acid),%,≤	0.02	0.04	0.05
Content of Fe ppm ≤	1(tank) 5(drum)	3(tank) 10(drum)	5(tank) 10(drum)