441244

Paraformaldehyde

prilled, 95%

• Synonym(s): Polyoxymethylene
• Linear Formula: HO(CH₂O)_nH
• CAS Number: 30525-89-4
• Molecular Weight: 30.03 (as monomer)
• MDL number: MFCD00133991
• PubChem Substance ID: 24867646
• NACRES: NA.22

Properties

• Quality Level: 200
• 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.)
• InChI: 1S/CH2O/c1-2/h1H2
• InChI key: WSFSSNUMVMOOMR-UHFFFAOYSA-N

Description

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.

Packaging

3 kg in poly drum

1 kg in poly bottle

Features and Benefits

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

Safety Information

• Pictograms: GHS02,GHS05,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H228 - H302 + H332 - H315 - H317 - H318 - H335 - H341 - H350
• Precautionary Statements: P210 - P280 - P301 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 1B - Eye Dam. 1 - Flam. Sol. 2 - Muta. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 4.1B - Flammable solid hazardous materials
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves