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Paraformaldehyde

Molecular formula HO-(CH2O)n-H,n=10-100
CAS No. 30525-89-4
執(zhí)行標(biāo)準(zhǔn) Q/320282NGB049-2018
Product Usage (1) Pesticides: synthetic acetochlor, butachlor and glyphosate, etc.;
(2) Coating: synthetic high-end automotive paint;
(3) Resins: synthetic urea-formaldehyde resins, phenolic resins, polyacetal resins, melamine resins, ion exchange resins, etc. and various adhesives;
(4) Papermaking: synthetic paper strengthening agent;
(5) Casting: foundry mold release agent, synthetic casting adhesive;
(6) Breeding industry: fumigation disinfectant.
(7) Organic raw materials: used to prepare pentaerythritol, trimethylolpropane, glycerin, acrylic acid, methyl acrylate, methacrylic acid, N-hydroxymethacrylamide, alkyl phenol, methyl vinyl ketone, etc.
(8) Others: medicine and disinfection. 3. Used as a sterilant, disinfectant, and fumigant. Used in organic synthesis and pharmaceutical industry.
Index
Item Standard value
Exterior White granular solid White granular solid
Content,≥% 92 96
Acidity,≤% 0.03 0.05
PH value 4-8  
Moisture,% 1.5-4  
Ash,≤%   0.3
Acidity (calculated as formic acid),≤%   0.05
Fe,≤%   0.002

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