Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)-

Modify Date: 2025-08-31 15:51:11

Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- Structure
Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- structure
 Common Name Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)-
CAS Number 4743-57-1 Molecular Weight 190.15200
Density 1.612g/cm3 Boiling Point 362.9ºC at 760mmHg
Molecular Formula C10H6O4 Melting Point 287ºC
MSDS N/A Flash Point 151ºC

 Names

Name 2-(3-oxo-1,3-dihydroisobenzofuran-1-yliden)acetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.612g/cm3
Boiling Point 362.9ºC at 760mmHg
Melting Point 287ºC
Molecular Formula C10H6O4
Molecular Weight 190.15200
Flash Point 151ºC
Exact Mass 190.02700
PSA 63.60000
LogP 1.28250
Index of Refraction 1.749

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TH7500000
CHEMICAL NAME :
delta(sup 1,alpha)-Phthalanacetic acid, 3-oxo-
CAS REGISTRY NUMBER :
4743-57-1
LAST UPDATED :
199710
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C10-H6-O4

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,8,1953

 Safety Information

HS Code 2932209090

 Synthetic Route

Phthalic anhydride structure

Phthalic anhydride

CAS#:85-44-9

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

~49%

Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- Structure

Acetic acid,2-(...

CAS#:4743-57-1

Literature: Briner, Karin; Doecke, Christopher William; Mancuso, Vincent; Martinelli, Michael John; Richardson, Timothy Ivo; Rothhaar, Roger Ryan; Shi, Qing; Xie, Chaoyu Patent: US2004/82590 A1, 2004 ; Location in patent: Page/Page column 97 ; US 20040082590 A1
Phthalic anhydride structure

Phthalic anhydride

CAS#:85-44-9

Potassium acetate structure

Potassium acetate

CAS#:127-08-2

~%

Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- Structure

Acetic acid,2-(...

CAS#:4743-57-1

Literature: Hanack, Michael; Zipplies, Tilman Journal of the American Chemical Society, 1985 , vol. 107, # 21 p. 6127 - 6129
2-(2-carboxylatoacetyl)benzoate structure

2-(2-carboxylat...

CAS#:53266-48-1

~%

Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- Structure

Acetic acid,2-(...

CAS#:4743-57-1

Literature: Gabriel Chemische Berichte, 1884 , vol. 17, p. 2527 Chemische Berichte, 1885 , vol. 18, p. 2444
Sulfuric acid structure

Sulfuric acid

CAS#:7664-93-9

Propanedioic acid, 2-(3-oxo-1(3H)-isobenzofuranylidene)-, 1,3-diethyl ester structure

Propanedioic ac...

CAS#:897-38-1

~%

1,3-INDANDIONE structure

1,3-INDANDIONE

CAS#:606-23-5

Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)- Structure

Acetic acid,2-(...

CAS#:4743-57-1

Literature: Suszko; Wojcinski Chemische Berichte, 1936 , vol. 69, p. 2452,2453
Sulfuric acid structure

Sulfuric acid

CAS#:7664-93-9

Propanedioic acid, 2-(3-oxo-1(3H)-isobenzofuranylidene)-, 1,3-diethyl ester structure

Propanedioic ac...

CAS#:897-38-1

~%

2-Acetylbenzoic acid structure

2-Acetylbenzoic acid

CAS#:577-56-0

Phthalic acid structure

Phthalic acid

CAS#:88-99-3

Detail
Literature: Suszko; Wojcinski Chemische Berichte, 1936 , vol. 69, p. 2452,2453

 Customs

HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

BUTTPARK 934-19
3-carboxymethylenephthalide
(2Z)-(3-oxo-2-benzofuran-1(3H)-ylidene)acetic acid
PHTHALIDENEACETIC ACID
Phthalidyliden-essigsaeure
Phthalylessigsaeure
Phthalylaceticacid
(3-oxo-3H-isobenzofuran-1-ylidene)-acetic acid
phthalidyliden-acetic acid
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Chemsrc provides CAS#:4743-57-1 MSDS, density, melting point, boiling point, structure, etc. Its name is Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)->> amp version: Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)-

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