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417491 Sigma-Aldrich

6-Methylchromone-2-carboxylic acid

98%

  • CAS Number 5006-44-0

  • Empirical Formula (Hill Notation) C11H8O4

  • Molecular Weight 204.18

  •  MDL number MFCD00239435

  •  PubChem Substance ID 24866156

  •  NACRES NA.22

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Properties

Related Categories Benzopyrans, Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks
Quality Level   100
assay   98%
mp   267-270 °C (lit.)
SMILES string   Cc1ccc2OC(=CC(=O)c2c1)C(O)=O
InChI   1S/C11H8O4/c1-6-2-3-9-7(4-6)8(12)5-10(15-9)11(13)14/h2-5H,1H3,(H,13,14)
InChI key   RKIDLZFIIVDZNX-UHFFFAOYSA-N

Description

General description

6-Methylchromone-2-carboxylic acid is a chromone derivative. Chromones are cyclic compounds containing nine carbon atoms with sp2 hybridization. They are commonly referred as 1,4-benzapyranes or γ-benzopyrones. Its energy of combustion was measured by an isoperibolic micro-combustion calorimeter. Standard molar enthalpy of formation derived from the energy of combustion, for 6-methylchromone-2-carboxylic acid was reported to be -(656.2 ± 2.2)kJmol-1.

Packaging

1 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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