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

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Names

[ CAS No. ]:
4743-57-1

[ Name ]:
Acetic acid,2-(3-oxo-1(3H)-isobenzofuranylidene)-

[Synonym ]:
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

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phthalic anhydride
  • Ethanoic anhydride
  • Potassium acetate
  • 2-(2-carboxylatoacetyl)benzoate
  • Sulfuric acid
  • Propanedioic acid, 2-(3-oxo-1(3H)-isobenzofuranylidene)-, 1,3-diethyl ester

DownStream

  • Phthalide-3-Acetic Acid
  • 2-Acetylbenzoic acid
  • Ethyl 2-acetylbenzoate
  • 3-METHYLENEISOBENZOFURAN-1(3H)-ONE
  • Phthalic acid
  • 6,12-Benzo(a)pyrenedione
  • 2-(3-oxo-3H-cyclopenta[a]naphthalen-1-yl)-benzoic acid
  • 3-Methyl-1,3-dihydro-2-benzofuran-1-one
  • 1H-Indene-1,3(2H)-dione,2-(2,3-dihydro-3-oxo-1H-inden-1-ylidene)-

Customs

[ HS Code ]: 2932209090

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

Related Compounds

  • (E)-ethyl 2-(3-oxoisobenzofuran-1(3H)-ylidene)acetate
  • Ethyl (2Z)-(3-oxo-2-benzofuran-1(3H)-ylidene)acetate
  • Propanoic acid, 2-(3-oxo-1(3H)-isobenzofuranylidene)-
  • Propanedioic acid, 2-(3-oxo-1(3H)-isobenzofuranylidene)-, 1,3-diethyl ester
  • (4-nitrophenyl) 2-(3-oxo-2-benzofuran-1-ylidene)acetate
  • ethyl 2-cyano-2-(3-oxo-2-benzofuran-1-ylidene)acetate