Sharjah Chemicals is leading Supplier, Manufacture and Exporter of Paraformaldehyde in Sharjah UAE, Al Qusais, Deira, Saif Zone, Fujairah,Dubai, Abudhabi, Ajman, Diera, UAE Middle East, Al Quoz, Jebel Ali, Umm Al Quawain, Ras Al Khaimah, Masafi, Khor Fakkan, Al Hayl, Al Ain, Ras Al Khor Industrial Area, Al khubaisi,  Um Ramool Industrial Area, Al Qusais Industrial Area,  Jebel Ali.

Product Information:
Paraformaldehyde (PFA) is the smallest polyoxymethylene, the polymerization product of formaldehyde with a typical degree of polymerization of 8–100 units. Paraformaldehyde commonly has a slight odor of formaldehyde due to decomposition. Paraformaldehyde is a poly-acetal.
paraformaldehyde is a white solid low molecular weight polymer of formaldehyde available in the form of free flowing flakes.
It contains 89-91% of formaldehyde and 9-11% of water.
Like formaldehyde in aqueous solution, it is very reactive and depolimerizes readily under conventional processing conditions. It is easy to obtain a formaldehyde solution by simply dissolving paraformaldehyde in hot water.
A pH adjustment consistent with the subsequent use of the solution may be made to speed up the process, as at the extreme values of pH the dissolving rate is increased.

Product Application:
Once paraformaldehyde is depolymerized, the resulting formaldehyde may be used as a fumigant, disinfectant, fungicide, and fixative. Longer chain-length (high molecular weight) polyoxymethylenes are used as a thermoplastic and are known as polyoxymethylene plastic (POM, Delrin). It was used in the past in the discredited Sargenti method of root canal treatment.
Paraformaldehyde is not a fixative; it must be depolymerized to formaldehyde in solution. In cell culture, a typical formaldehyde fixing procedure would involve using a 4% formaldehyde solution in phosphate buffered saline (PBS) on ice for 10 minutes. In histology and pathology specimens preparation, usually, the fixation step is performed using 10% Neutral Buffered Formalin (4% formaldehyde) for, at least, 24 hours.
Paraformaldehyde is also used to crosslink proteins to DNA, as used in ChIP (chromatin immunoprecipitation) which is a technique to determine which part of DNA certain proteins are binding to.
Paraformaldehyde can be used as a substitute of aqueous formaldehyde to produce the resinous binding material, which is commonly used together with melamine, phenol or other reactive agents in the manufacturing of particle board, medium density fiberboard and plywood.

Product Note:
Paraformaldehyde forms slowly in aqueous formaldehyde solutions as a white precipitate, especially if stored in the cold. Formalin actually contains very little monomeric formaldehyde; most of it forms short chains of polyformaldehyde. A small amount of methanol is often added as a stabilizer to limit the extent of polymerization.

Product Technical Specification:

Appearance white crystalline solid
Density 1.42 g·cm−3 (25 °C)
Melting point 120 °C (248 °F; 393 K)
Solubility in water low

Available Packing Size:25 Ltr.

Paraformaldehyde Supplier in Oman , Fujairah, Sharjah, Dubai, Abudhabi

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