Citric acid monohydrate 250g 99.7-100.5%, AnalaR NORMAPUR® ACS, USP Pharmaceutical Eu
VWRC20276.235
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Specification 20276 

Citric acid monohydrate 99.7-100.5%, AnalaR NORMAPUR® ACS, USP,  Pharmaceutical. Eur. 

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Synonyms: Hydroxytricarballylic acid , 2-Hydroxy-1,2,3-propanetricarboxilic acid

Formula: C₆H₈O₇.H₂O
MW: 210.14 g/mol
Melting Pt: 135…152 °C
Density: 1.552 g/cm³ (20 °C)
Flash Pt: 173,9 °C (closed cup)
Storage Temperature: Ambient
MDL Number: MFCD00149972
CAS Number: 5949-29-1
EINECS: 201-069-1
UN: 0000
Merck Index: 13,02350
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Assay 99.7 - 100.5 %
Identification (IR) Passes test
Readily carbonisable substances Passes test
Heavy metals (as Pb) Max. 10 ppm
Ignition residue (SO4) Max. 0.02 %
Insolubility in water Max. 50 ppm
Oxalic acid (calculated on anhydrous) Max. 360 ppm
Tartaric acid Max. 0.2 %
Water 7.5 - 9.0 %
C2O4 (as C2H2O4) Max. 0.04 %
Cl (Chloride) Max. 5 ppm
PO4 (Phosphate) Max. 10 ppm
SO4 (Sulphate) Max. 20 ppm
As (Arsenic) Max. 0.1 ppm
Ca (Calcium) Max. 20 ppm
Cu (Copper) Max. 5 ppm
Fe (Iron) Max. 3 ppm
Mg (Magnesium) Max. 5 ppm
Ni (Nickel) Max. 1 ppm
Pb (Lead) Max. 2 ppm
Conforms to ACS Passes test
Conforms to Reag. Ph.Eur. Passes test
Conforms to Reag. USP Passes test