Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,917,233,557 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Paraformaldehyde

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia 0.01 sec.
paraformaldehyde: see formaldehyde formaldehyde , HCHO, the simplest aldehyde. It melts at −92°C;, boils at −21°C;, and is soluble in water, alcohol, and ether; at STP, it is a flammable, poisonous, colorless gas with a suffocating odor.
..... Click the link for more information.
.
paraformaldehyde [¦par·ə·fȯr′mal·də‚hīd]
(organic chemistry)
(HCHO)nPolymer of formaldehyde wherenis greater than 6; white, alkali-soluble solid, insoluble in alcohol, ether, and water; used as a disinfectant, fumigant, and fungicide, and to make resins.

Paraformaldehyde 

(also paraform), a mixture of formaldehyde polymerization products, called polyoxymethylenes, of the general formula (—CH2O—)n where n is any integer from eight to 100. Paraformaldehyde is a white, crystalline substance with a melting range between 105° and 150°C. It is obtained by evaporating concentrated, aqueous solutions of formaldehyde in vacuo. Paraformaldehyde is a convenient source of formaldehyde.



Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Mentioned in?  References in periodicals archive?   Encyclopedia browser?   Full browser?
No references found
 
It is thought that chemical catalyst paraformaldehyde, used by the company in its chemical blending processes, swamped a waste incinerator.
After incubating for an hour, a sample of cells was removed from each well and treated with an acridine orange plus ethidium bromide stain and with 1% paraformaldehyde.
com/research/6196c7/production_marke) has announced the addition of the "Production & Market on Paraformaldehyde in China" report to their offering.
 
 
 
Encyclopedia
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.