51048-00-1

Basic information

• Product Name: 3,4-Dihydro-4-oxo-2H-1-benzopyran-2-carboxylic acid
• Synonyms: 3,4-Dihydro-4-oxo-2H-1-benzopyran-2-carboxylic acid;4-Oxo-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid;4-Oxochroman-2-carboxylic acid
• CAS NO: 51048-00-1
• Molecular Formula: C10H8O4
• Molecular Weight: 192.17
• Mol File: 51048-00-1.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 416.8±45.0 °C(Predicted)
• Appearance: /
• Density: 1.412±0.06 g/cm3(Predicted)
• PKA: 2.69±0.20(Predicted)
• CAS DataBase Reference: 3,4-Dihydro-4-oxo-2H-1-benzopyran-2-carboxylic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 3,4-Dihydro-4-oxo-2H-1-benzopyran-2-carboxylic acid(51048-00-1)
• EPA Substance Registry System: 3,4-Dihydro-4-oxo-2H-1-benzopyran-2-carboxylic acid(51048-00-1)

Safety Data

• Hazardous Substances Data: 51048-00-1(Hazardous Substances Data)

Upstream product

• 51047-97-3 3-(2-hydroxybenzoyl)acrylic acid 

Relevant articles and documents

Benzopyran derivatives and their use

This invention relates to a compound represented by the formula: STR1 wherein B represents a hydrogen atom or a lower alkyl group; ring A represents a benzene ring which may have one or more substituents; ***** represents a single or double bond; Q1 represents the group represented by the formula, STR2 or a hydrocarbon residue substituted with the group represented by the formula, STR3 wherein X represents a bond or a spacer having a chain length of 1 to 4 atoms as the linear moiety which may have one or more side chains; R1 and R2, whether identical or not, independently represent a hydrogen atom or a lower alkyl, or may bind together to form a ring; Q2 represents a hydrogen atom, a hydrocarbon residue which may be substituted or a heterocyclic ring residue which may be substituted; or a salt thereof.