Paraformaldehyde (Paraformaldehyde)

Bargaining 09-22 10:03 Update

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Paraformaldehyde

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Paraformaldehyde
Polyoxymethylene

30525-89-4

C3H6O3X2

90.08

2912600000

Information View:

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English

Nature Description

It is white combustible crystalline powder with formaldehyde smell. Melting Point 121-123 ℃, flash point 71.1 ℃, autoignition point 300 ℃. Solubility (20℃ water):0.24g/100 cm3H2O. Dissolve slowly in cold water and dissolve quickly in hot water. Formaldehyde is released in dissolution. Insoluble in ethanol, ether, caustic soda and potassium solution.

0.88

120-170oC

71oC

微溶

Product Applications

It is used as raw material for organic chemical industry and synthetic resin, and also as drug fumigating agent.

Production method

37 formaldehyde is evaporated under reduced pressure, solid formaldehyde is obtained by catalytic condensation, filtered, washed with water, and the finished product is prepared by vacuum drying, the content is generally 93-95. It consumes 37kg of formaldehyde per ton of paraformaldehyde.

Security

Dangerous Goods Marking： Xn

Safety instructions： S24: avoid contact with skin. S26: in case of contact with eyes, rinse with plenty of water immediately and send it to the doctor for diagnosis and treatment. S45: If you have an accident or feel uncomfortable, go to the doctor for help immediately (it is better to bring the product container label). S36/37/39: Wear suitable protective clothing, gloves and use goggles or mask.

Hazardous material category code： R40: limited evidence indicates its carcinogenic effect. R43: skin contact will produce allergic reactions. R20/22: Harmful by inhalation and accidental swallowing. R36/37/38: it can irritate eyes, respiratory tract and skin.

Dangerous goods transportation number： UN2213

Symbols： GHS02,GHS05,GHS07,GHS08

Storage conditions： The warehouse is ventilated cryodrying and stored separately from the oxidant.

Cautionary Statement： P210;P261;P280;P305+P351+P338

Packaging grade： III

Signal word： Danger

Hazard Statement： H228;H302+H332;H315;H317;H318;H335;H351