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Merck
CN

Specification Sheet

Product Name
Sodium carbonate puriss., meets analytical specification of Ph. Eur., BP, NF, FCC, E500, anhydrous, 99.5-100.5% (calc. to the dried substance)

Product Number
13418

Product Brand
sigald

CAS Number
497-19-8

Molecular Weight
105.99

Test

Specification

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Powder or Crystals
TITRATION (T) HCL 1M99.5 - 100.5 % (calc. to the dried substance)
LOSS ON DRYING≤ 0.5% loss on drying (300C)
LOSS ON DRYING≤ 0.5% loss on drying (105C, 4h)
APPEARANCE OF SOLUTIONComplying
HEAVY METALS≤ 5 ppm
Miscellaneous AssayAlkali hydroxides and bicarbonates: complying
ARSENIC≤ 0.0002 %
COPPER≤ 0.002 %
IRON≤ 0.001 %
MERCURY≤ 0.0001 %
LEAD≤ 0.0002 %
ZINC≤ 0.002 %
CHLORIDE (CL)≤ 100 ppm
SULFATE (SO4)≤ 50 ppm
RESIDUAL SOLVENTS (GLC-HS)Complying
REMARKSIdentity, assay and impurities are complying to the monographs of the above mentioned pharmacopeias/codices.