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PHR1071 Sigma-Aldrich

Citric acid, Anhydrous

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym: Citric acid

  • 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

  •  PubChem Substance ID 329823094

  •  eCl@ss 39021801

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, Chromatography, Pharmaceutical Secondary Standards,
grade   certified reference material
  pharmaceutical secondary standard
InChI Key   KRKNYBCHXYNGOX-UHFFFAOYSA-N
form   neat
expl. lim.   8 %, 65 °F
pKa    (1) 3.13, (2) 4.76, (3) 6.4
mp   153-159 °C(lit.)
format   neat
pharmacopeia traceability   traceable to PhEur A1202000
  traceable to USP 1134368

Description

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Other Notes

This product was designed, produced and verified for accuracy and stability in accordance with ISO/IEC 17025:2005 (AClass Cert AT-1467), ISO GUIDES 34:2009 (AClass Cert AR-1470).

Footnote

To see an example of a Certificate of Analysis for this material enter LRAA5633 in the slot below. This is an example certificate only and may not be the lot that you receive.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
GE7350000
Protocols & Articles

Articles

HPLC Analysis of Organic Acids Commonly Found in Wine and Beer on TSKgel® OApak-P and OApak-A

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Organic Acids Commonly Found in Wine and Beer on TSKgel® OApak-P and OApak-A
Keywords: Chromatography, High performance liquid chromatography

HPLC Analysis of Organic Acids on Ascentis® Express RP-Amide

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Organic Acids on Ascentis® Express RP-Amide
Keywords: Chromatography, High performance liquid chromatography

HPLC Analysis of Organic Acids on Ascentis® RP-Amide

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Organic Acids on Ascentis® RP-Amide
Keywords: Chromatography, High performance liquid chromatography

HPLC Analysis of α-Hydroxy Aliphatic Acids on Discovery® RP-Amide C16

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of α-Hydroxy Aliphatic Acids on Discovery® RP-Amide C16
Keywords: Chromatography, High performance liquid chromatography

Peer-Reviewed Papers
15

References

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