ANALYTYKA Fine Chemicals and Pharmaceutical Raw Materials

Paraformaldehyde (DAC) PRS


(CH2O)n

(HCHO)n

 

CAS [30525-89-4] EINECS 200-001-8 NC 2912 60 00


SYNONYMS: p-Formaldehyde · Polyoxymethylene ·
PHYSICAL DATA: White granulated powder · Slightly soluble in cold water , solubility is increased in hot water · M. P.: 160-165 °C dec. · Flash. P.: 71 °C · Ign. T.: 460 °C · Thermal decom. above 165 °C · Vap. press. at 25 °C 1,93 hPa · Expl. limit 40 in vol % ·
 

HAZARDOUS: RTECS: RV 0540000 · LD50 oral rat 800 mg/Kg · LD L0 skn rbt 10000 mg/Kg ·

   R: 22-36/37/38-40-43
S: 22-26-36/37

TRANSPORT REGULATIONS: UN: 2213 · ADR: 4.1/III · IMDG: 4.1/III · IATA: 4.1/III · PAX: 419 · CAO: 420·

SPECIFICATIONS:

Assay (Acidim.) 95,0-100,5%

MAXIMUM LIMIT OF IMPURITIES		   
Insoluble matter in NH4OH p/t.
Residue on ignition (as SO4) 0,1 %
Acidity or alkalinity p/t.
Heavy metals (as Pb) 0,001 %