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About This Item
经验公式（希尔记法）:
C11H8O4
CAS号:
分子量:
204.18
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.22
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质量水平
方案
98%
表单
solid
mp
267-270 °C (lit.)
官能团
carboxylic acid
ketone
SMILES字符串
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
一般描述
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.
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
The standard molar enthalpies of formation of chromone-3-carboxylic acid, 6-methylchromone-2-carboxylic acid, and 6-methyl-4-chromanone determined by micro-combustion calorimetry.
Flores H, et al.
Journal of Thermal Analysis and Calorimetry, 117(1), 433-437 (2014)
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