C1857 Sigma

Citric acid

meets USP testing specifications, anhydrous

  • CAS Number 77-92-9

  • Linear Formula HOC(COOH)(CH2COOH)2

  • Molecular Weight 192.12

  •  Beilstein Registry Number 782061

  •  EC Number 201-069-1

  •  MDL number MFCD00011669

  • Popular Documents:  FTNMR (PDF)  


Related Categories Analytical/Chromatography, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Cell Biology,
grade   anhydrous
assay   99.5-100.5% anhydrous basis
expl. lim.   8 %, 65 °F
pKa    (1) 3.13, (2) 4.76, (3) 6.4
mp   153-159 °C(lit.)
suitability   meets USP testing specifications



In addition to its function as an iron chelator, citrate can support cholesterol/sterol, ubiquinone and isoprenoid biosynthesis in cell culture applications.

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meets analytical specification of Ph. Eur., BP, USP, E330, anhydrous, 99.5-100.5% (based on anhydrous substance)

Citric acid monohydrate

ACS reagent, ≥99.0%

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