| Formaldehyde
I.products performance:
Formaldehyde is part of color less combustible gas,which
has great irritating and suffocating impact on nose
or eye of human being.proportion is 0.8153(-20oC).Freexing
point is :-92oC,Boiling point is -19.5oC,that
is easily dissolved in water with strong reducibility.Generally,industrial
formaldehyde is the water solution contained 37% of
formaldehyde and the proportion thereof is 1.075-1.114(20oC),Boiling
point is 101oC?
II.Uses of products:
formaldehyde,one of the organic raw materials that in
frequent use,is extensively used in the production of
ureaformaldehyde resin,resinox,acetal resin,melamin
resin,urotropin,penaterythritol,vinylon,fibre and the
like.It also belongs to the raw materials of dynamite,colourant,medicine,pesticide
and the like as well as disinfectant,insecticide,fumigation
in warehouse.
Item Index Grade |
High-class product |
First-class product |
Qualified product |
| Chrominance (Platinum-Co)No.,%,≤ |
10 |
--- |
--- |
| Content of formaldehyde,% |
37.0-37.4 |
36.7-37.4 |
36.5-37.4 |
| Content of carbinol,%,≤ |
12 |
12 |
12 |
| Acidity (by methanoic acid),%,≤ |
0.02 |
0.04 |
0.05 |
| Content of Fe PPM ≤ |
1(mess)
5(mess) |
3(mess)
10(mess) |
5(mess)
10(mess) |
| Ash content,%,≤ |
0.005 |
0.005 |
0.005 |
|
