2.5L
Concentrated HCl
HYDROCHLORIC ACID
DEFINITION
Chemical names Hydrochloric acid
C.A.S. number 7647-01-0
Chemical formula HCl
Formula weight 36.46
Assay Not less than 97.0% and not more than 103.0% of the labelled amount
DESCRIPTION Clear colourless or slightly yellowish liquid with a pungent odour. Various
concentrations are supplied as products of commerce.
FUNCTIONAL USES Acid
CHARACTERISTICS
IDENTIFICATION
Solubility (Vol. 4) Soluble in water and in ethanol
Test for acid A 1 in 100 solution of the sample is acid to litmus paper
Test for chloride (Vol. 4) Passes test
PURITY
Non-volatile residue Not more than 0.5%
Transfer 1 g into a tared glass dish, evaporate to dryness on a steam bath,
dry at 110º for 1 h.
WLS –
Nice