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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)  

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Properties

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

Description

Application

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

Price and Availability


Interactive Buffer Table

Polymeric Drug Delivery Techniques Guide

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Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
GE7350000

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Determination of Water Content in Citric acid anhydrous Using Karl Fischer Titration

Group(s): Carboxylic Acids, Cosmetic Products + Compounds, Pharmaceutical Products + Compounds
Keywords: Esterifications, Pharmaceutical, Titrations

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A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
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Peer-Reviewed Papers
15

References

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