Formaldehyde
casNo.：50-00-0 Form ：liquid Package：：ISO TANK 20FTFormaldehyde is used in the synthesis of urea-formaldehyde resins, phenolic resins and melamine resins to enhance the stickiness of glues and the hardness of sheets, and is also used as a preservative and disinfectant. Formaldehyde aqueous solution can be used to treat crop seeds and roots, prevent black spot and strengthen roots. Spraying formaldehyde solution during rice flowering can also prevent disease and increase yield. Formaldehyde is the main raw material for the pesticide chemical glyphosate and is also used in the production of a variety of pesticides and slow-release fertilizers.
| Item | Specification | Test Result | ||
| A | B | C | ||
| Appearance | Clear suspension-free liquid, White turbidity allowed at low temperature | clear | ||
| Density(Pzm),g/cm³ | 1.075-1.114 | /.112 | ||
| Purity，% | 37.0 37.4 | 36.7 37.4 | 36.5 37.4 | 37.38 |
| Acidity (in formic acid),% ≤ | 0.02 | 0.04 | 0.05 | 1 |
| Chroma, Hazen unit (platinum - drill number)≤ | 10 | - | - | S |
| Iron，% ≤ | 0.0001 | 0.0003 0.0010 | 0.0005 0.0010 | - |
| Methanol content， 0.74 | ||||
| The inspection conclusion is qualified. | Conforms to GB/ T099-1998 2011 Technical requirement | |||