Information
Specification category：
| Product No. | Product name | specifications |
|
1.17701.108 | Formaldehyde solution 30% | Spec25kg |
|
|
Characteristic：
Appearance and properties:colorless gas with a pungent and suffocating odor,commodity is an aqueous solution.
Relative density(water=1) :0.82
Relative vapor density(air=1):1.07
Melting point(℃):-92
Boiling point(℃):-19.4
Concentration:pure product
Saturated vapor pressure:13.33(-57.3℃)
Solubility:soluble in water,and most organic solvents such as ethanol.
Combustion heat(kJ/mol):2345.0
Critical temperature(℃):137.2
Critical pressure(MPa):6.82
Technical indicators：
| Item | Spec. |
|
Assay | 29.7～30.5% |
|
Acidity(As HCOOH) | ≤0.05% |
|
Lead(Pb) | ≤0.0001% |
|
Iron(Fe) | ≤0.0001% |
|
Aluminium(Al) | ≤0.0001% |
|
Calcium(Ca) | ≤0.0001% |
|
Magnesium(Mg) | ≤0.0001% |
|
pH-Value(Original liquid) | 2.5～5.0 |
|
|
Hazard characteristics：
IATA-DGR UN 2209 FORMALDEHYDE SOLUTION,8,Ⅲ
Metal Compounds
PCB Solutions
Chemical Reagents
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