Formaldehyde Solution 37-41% w/v AR/ACS 2500ML

PRODUCT CODE 531140
SYNONYMS formalin
C.I. NO. N/A
CASR NO. 50-00-0
ATOMIC OR MOLECULAR FORMULA CH2O
ATOMIC OR MOLECULAR WEIGHT 30.03
PROPERTIES
It is a powerful reducing agent, especially in
presence of alkali. In the air it slowly oxidizes
to formic acid. Vapour is lachrymatory.


PARAMETER LIMIT
Description A clear and colourless solution of formaldehyde in water. Contains methanol as stabilizer.
Solubility Miscible with water & with absolute industrial methylated spirit forming a clear,
colourless solution.
Appearance of solution Passes test
Identification tests A, B Passes test
Assay (acidimetric after oxidation) 37.0 - 41.0%
Wt.per ml at 20°C 1.075 - 1.095 g
Methanol content (stabiliser) 11.0-14.0%


MAXIMUM LIMIT OF IMPURITIES
Acidity (as HCOOH) 0.045%
Residue after ignition (as SO4) 0.005%
Chloride (Cl) 0.0005%
Sulphate (SO4) 0.001%
Iron (Fe) 0.0005%
Heavy metals (as Pb) 0.0005%
Silica (SiO2) 0.0001%
Residual solvents Complies