2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid

Modify Date: 2026-07-02 14:19:50

2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid Structure
2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid structure
Common Name 2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid
CAS Number 4666-80-2 Molecular Weight 224.16700
Density 1.626g/cm3 Boiling Point 419.2ºC at 760 mmHg
Molecular Formula C10H8O6 Melting Point N/A
MSDS N/A Flash Point 221.4ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.626g/cm3
Boiling Point 419.2ºC at 760 mmHg
Molecular Formula C10H8O6
Molecular Weight 224.16700
Flash Point 221.4ºC
Exact Mass 224.03200
PSA 111.90000
LogP 0.07770
Index of Refraction 1.644
InChIKey GROJNADPOMHDCI-UHFFFAOYSA-N
SMILES O=C(O)Cc1cccc(=O)c(O)c1C(=O)O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2918990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

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2-[7-(dihydroxymethylidene)-5,6-dioxo-1-cyclohepta-1,3-dienyl]acetic acid Structure

2-[7-(dihydroxy...

CAS#:4666-80-2

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Literature: Haworth; Moore; Pauson Journal of the Chemical Society, 1948 , p. 1045,1051 Full Text Show Details Collier Journal of the Chemical Society [Section] C: Organic, 1966 , p. 2255,2259

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  1

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2918990090
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Tropolon-3-carbonsaeure-4-essigsaeure
2-Carboxymethyl-6-hydroxy-7-oxo-cyclohepta-1,3,5-triencarbonsaeure

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: The English name of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid.
Q: What is the boiling point of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: Boiling point of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is 419.2ºC at 760 mmHg.
Q: What are the upstream materials of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: Related upstream materials(CAS) of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid: 569-77-7.
Q: What is the Chinese name of 4666-80-2?
A: Chinese name of 4666-80-2 is 4666-80-2.
Q: What is the LogP of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: LogP of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is 0.07770.
Q: What are the downstream products of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: Related downstream products(CAS) of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid: 583-80-2.
Q: What is the molecular formula of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: Molecular formula of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is C10H8O6.
Q: What is the molecular weight of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: Molecular weight of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is 224.16700.
Q: What is the CAS number of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: CAS number of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is 4666-80-2.
Q: What is the SMILES notation of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid?
A: SMILES notation of 7-(carboxymethyl)-2-hydroxy-3-oxocyclohepta-1,4,6-triene-1-carboxylic acid is O=C(O)Cc1cccc(=O)c(O)c1C(=O)O.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

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