417491

6-Methylchromone-2-carboxylic acid

98%

• Empirický vzorec (Hillův zápis): C₁₁H₈O₄
• Číslo CAS: 5006-44-0
• Molekulová hmotnost: 204.18
• MDL number: MFCD00239435
• UNSPSC Code: 12352100
• PubChem Substance ID: 24866156
• NACRES: NA.22

Vlastnosti

• assay: 98%
• form: solid
• 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

Popis

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.

Bezpečnostní informace

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves