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 Paraformaldehyde(92%~96%) |
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Properties:
Product Name |
Paraformaldehyde; Polyoxymethylene |
| CAS |
30525-89-4 |
Molecular Formula |
(CH2O)n |
Molecular Weight |
(30)n |
Density |
Relative Density(water=1)1.39; Relative Density(air=1)1.03 |
Risk code |
8( inflammmable solid) |
Appearance |
low molecular weight white crystalline powder |
M.P. |
120-170°C |
Solubility |
insoluble in ethanol, slightly soluble in cold water, soluble in diluted acids or alkalies |
Use |
mainly used in the manufacture of various synthetic resins adn adhesives etc. |
Product Name: Paraformaldehyde 92%
Production Date:20151026
Batch Number:20151026
Packaging:25Kg/Bag
Item |
Standard |
Result |
Appearance |
excellent fluidity,white and granule, with typical pungent smell of formaldehyde |
Check out |
purity%(w/w) |
91.0~93.0%(enclosed quality testing report per ton) |
91.95~92.24 |
Formic acid %(w/w) ≤ |
0.03 |
0.0039 |
Ash content%(w/w) ≤ |
0.1 |
0.004 |
Fe %(w/w) ≤ |
0.001 |
0.000035 |
PH(90gwater+10g PARA) |
4.0~8.0 |
6.13 |
Dissolution time ,min ≤
(80℃ water) |
120min |
3.2~3.5min |
Degree of polymerization ≤ |
30 |
12 |
Methanol %(w/w) ≤ |
0.8 |
0.48 |
Product Name: Paraformaldehyde 96%
Production Date:20151026
Batch Number:20151026
Packaging:25Kg/Bag
Item |
Standard |
Result |
Appearance |
excellent fluidity,white and granule, with typical pungent smell of formaldehyde |
Check out |
purity%(w/w) |
96±1 |
96.5 |
Formic acid %(w/w) ≤ |
0.03 |
0.0039 |
Ash content%(w/w) ≤ |
0.1 |
0.015 |
Fe %(w/w) ≤ |
0.001 |
0.000035 |
PH(90gwater+10g PARA) |
4.0~8.0 |
6.5 |
Dissolution time ,min ≤
(80℃ water) |
120min |
3.2~3.5min |
Degree of polymerization ≤ |
30 |
12 |
Methanol %(w/w) ≤ |
0.8 |
0.29 |
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