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Isophthalic acid

analytical standard

Synonym: Benzene-1,3-dicarboxylic acid

  • CAS Number 121-91-5

  • Linear Formula C6H4-1,3-(CO2H)2

  • Molecular Weight 166.13

  •  Beilstein/REAXYS Number 1909332

  •  EC Number 204-506-4

  •  MDL number MFCD00002516

  •  PubChem Substance ID 329756216

  •  NACRES NA.24

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Chinese Food Contact Materials Regulation GB 9685 2016, Food & Beverage Standards, Food Contact Materials,
Quality Level   100
grade   analytical standard
assay   ≥97.0% (GC)
form   neat
autoignition temp.   1198 °F
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
mp   341-343 °C (lit.)
Featured Industry   Cleaning Products
Cosmetics
Food and Beverages
Personal Care
format   neat
SMILES string   OC(=O)c1cccc(c1)C(O)=O
InChI   1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChI key   QQVIHTHCMHWDBS-UHFFFAOYSA-N

Description

Application

Isophthalic acid may be used as a reference standard in the analysis of isophthalic acid from PET bottles into edible oils using high performance liquid chromatography (HPLC) technique.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 2
RTECS 
NT2007000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

TLC Analysis of Aromatic Carboxylic Acids on HPTLC Silica Gel 60 RP-18 WF254s

From our library of Articles, Sigma-Aldrich presents TLC Analysis of Aromatic Carboxylic Acids on HPTLC Silica Gel 60 RP-18 WF254s
Keywords: Chromatography, Thin layer chromatography

Peer-Reviewed Papers
15

References

Related Products

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