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Specifications
Paraformaldehyde
Appearance: White crystalline powder
CAS no: 30525-89-4
Purity: 96%, 92%
Properties
1, white combustible crystalline powder with the flavor of formaldehyde;
2, soluble in water and release formaldehyde; Dissoluble in ethanol and diethyl ether; Soluble in caustic soda;
3, release formaldehyde when meet strong acids, alkali or high temperature;
Usages & Applications
1, farm chemical: Composite acetochlor, butachlor, ect
2, paint: Composite high-end automobile paint
3, resin: Composite urea resin, phenolic resin, ect. And various adhesives
4, papermaking: Composite paper intensifier
5, casting: Casting remover and adhesive of casting synthesis
6, cultivation industry: Fumigation disinfectant
7, organic raw materials: For the production of glycerol, crylic acid, and so on
8, others: Medicine and disinfection
Harm
For health:
1, strong irritant for respiratory tract and cause rhinitis, pharyngitis, pheumonia and pulmonary edema
2, irritate to skin and will cause skin red and swollen, and even dry, chap and desquamation after long contacting
3, irritate digestive tract if take orally, causing stomatitis, pharyngitis, gastritis, fierce stomachache and coma
Solutions for poisoning:
Skin contact: Immediately remove contaminated clothing, with plenty of liquid water rinse with at least 15 minutes.
Eye contact: Immediately filed palpebral, with plenty of liquid water or saline thoroughly flushed at least 15 minutes
Inhalation: Quickly stay away from the field and go to the place with fresh air to keep respiratory tract unobstructed; If breathing is difficult, give oxygen; If immediately stopped breathing, perform mouth-to-mouth breathing.
Ingestion: Gargle with water and drink milk or egg white
Item |
Specifications |
Results |
Appearance |
few dust , excellent fluidity , white and granule , with typical pungent smell of Formaldehyde |
few dust , excellent fluidity , white and granule , with typical pungent smell of Formaldehyde |
Content , % |
96±1 |
96.35 |
Acid Value((formic acid) , % |
≤0.03 |
0.018 |
Ash , % |
≤0.4 |
0.3 |
Fe content , % |
≤ 0.0003% (wt.)i.e.3ppm |
< 0.0003 |
PH Value ( 20 °C ) |
3.5 ~ 6.0 |
5.6 |
Solubility ( 55 °C , min ) |
≤ 30 |
15 |
Conclusion |
the results conforms with enterprise standards |
Item |
Specifications |
Results |
Appearance |
White solid particles or powder |
White solid particles |
Content of formaldehyde |
92±1% |
92.0% |
Content of carbinol |
≤0.05% |
0.03% |
Acid Value ( as formic acid ) |
≤0.05% |
0.03% |
Ash |
≤0.03% |
0.01% |
Conclusion |
the results conforms with enterprise standards |
