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441244 Aldrich

Paraformaldehyde

prilled, 95%

Synonym: Polyoxymethylene

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Properties

Related Categories Aldehydes, Building Blocks, C1 to C6, Carbonyl Compounds, Chemical Synthesis,
vapor density   1.03 (vs air)
vapor pressure   <1.45 mmHg ( 25 °C)
assay   95%
form   prilled
autoignition temp.   572 °F
expl. lim.   73 %
mp   120-170 °C(lit.)
transition temp   sublimation point 150 °C
solubility   alcohol and cold water: slightly soluble
  ethers, hydrocarbons and carbon tetrachloride: insoluble
density   0.88 g/mL at 25 °C(lit.)

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Features and Benefits

Source of methanol-free formaldehyde.
Decomposes in hot water to give formaldehyde.

Packaging

1 kg in poly bottle

3 kg in poly drum

Application

Formaldehyde source to prepare phenol-, urea-, furfuryl alcohol-, resorcinol- and melamine-formaldehyde polymers for use in coatings, wood products, textiles and foundry resins.

Paraformaldehyde may be used in the preparation of azomethine ylide, α-methylenechromanes, α-methylenequinoline and ortho-quinone methides.

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Signal word 
Danger
Precautionary statements 
RIDADR 
UN 2213 4.1 / PGIII
WGK Germany 
2
RTECS 
RV0540000
Flash Point(F) 
158 °F
Flash Point(C) 
70 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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