牋 牋牋牋牋牋牋牋 牋牋牋牋牋牋牋牋牋牋牋牋牋 牋牋牋牋 牋牋牋牋牋牋牋牋牋牋牋Formaldehyde

Molecular formula： H₂CO

Structural formula：

Properties：Pure formaldehyde is colorless gas with strong pungent smell at normal temperature, easily soluble in water, solubility ma.:58.8﹪，Formaldehyde aqueous solution is easily volatilizable. Boiling point：－21℃，melting point：－92℃，self-ignition point:430℃， Quality is in accordance with GB9009－88 standard. This product has received certificate of ISO9002 quality system certification.

Technical index：

Index name	Top quality	First quality	Qualified product
Chroma （platinum－cobalt）≤	10	－－－	－－－
Formaldehyde content﹪	37.0-37.4	36.7-37.4	36.5-37.4
Methanol﹪≤	12	12	12
Acidity（based on formic acid）﹪≤	0.02	0.04	0.05
Iron content ppm≤	1(Packed in tank)	3(Packed in tank)	5(Packed in tank)
	5(packed in pail)	10(packed in pail)	10(packed in pail)
Ash content﹪≤	0.005	0.005	0.005

Use：Formaldehyde is one of the important materials for organic synthesis, mainly used in producing synthetic resin, pentaerythritol, urotropin etc.; also used in solvent, reducing agent, preservative, dyes, pesticide, synthetic fiber and engineering plastic etc..

Yearly production capacity: 60,000t.