Paraformaldehyde 95% Extrapure
Polyoxymethylene
Product Code. |
01932 |
Grade |
|
Purity |
95% |
CAS No. |
30525-89-4 |
Molecular Formula |
(H.CHO)n |
Molecular Weight |
0.00 |
H.S.Code |
2912.60000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystallline |
Odour |
Pungent odur |
| pH value |
4 - 5.5 |
Melting point/ Freezing point [°C] |
120 - 170 °C |
Auto-ignition temperature [°C] |
300°C |
| Flash point [°C] |
70 °C |
Vapour density |
1.03 |
Density [g/cm3] |
1.45 |
| Solubility in water [% weight] |
Insoluble in water |
Packaging
Specification
| Appearance | A white crystalline powder |
| Assay (as HCHO) | Min 95% |
| Identity | Passes test |
| Sulphated ash | Max 0.05% |
| Heavy metal (as Pb) | Max 0.001% |
Safety Information and Hazard Symbols
Symbol: GHS02, GHS05, GHS07, GHS08
Signal Word: Danger
UN No.: 2213
IMCO Class No.: 4.1
Packing Group: III
Hazardous Statement: H228-H302-H315-H317-H318-H332-H335-H351
Precaution Statement: P210-P261-P280-P305 + P351 + P338