HOMOPHTHALIC ANHYDRIDE

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Names

[ CAS No. ]:
703-59-3

[ Name ]:
HOMOPHTHALIC ANHYDRIDE

[Synonym ]:
MFCD00006894
EINECS 211-873-4
Homophthalic acid anhydride
4H-isochromene-1,3-dione
1H-2-Benzopyran-1,3(4H)-dione (9CI)
homophthalic anhydride
1H-2-Benzopyran-1,3(4H)-dione
1H-Isochromene-1,3(4H)-dione

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
324.5±35.0 °C at 760 mmHg

[ Melting Point ]:
140-142 °C(lit.)

[ Molecular Formula ]:
C9H6O3

[ Molecular Weight ]:
162.142

[ Flash Point ]:
159.0±23.1 °C

[ Exact Mass ]:
162.031693

[ PSA ]:
43.37000

[ LogP ]:
0.41

[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C

[ Index of Refraction ]:
1.585

[ Storage condition ]:
Refrigerator (+4°C)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Homophthalic acid
  • 2-Methoxymethylen-1-hydrindanon
  • Ethyl chloroformate
  • Phenylacetic acid
  • carbon monoxide
  • 1-Indanone
  • Cinnamic acid
  • Hydrocinnamic acid
  • ethyl β-(1-oxo-2,3-dihydro-1H-inden-2-yl)-α-oxoacetate

DownStream

  • 2-[2-(3-oxo-3-phenylpropanoyl)phenyl]acetic acid
  • 6,11-dihydroindeno[1,2-c]isoquinolin-5-one
  • 1-OXO-1,2-DIHYDRO-4-ISOQUINOLINECARBOXYLIC ACID
  • 1-Hydroxyisoquinoline
  • Isoquinoline-1,3(2H,4H)-dione
  • METHYL 1-HYDROXY-2-NAPHTHOATE
  • Isochroman
  • 2-[(4-methoxyphenyl)methyl]-4H-isoquinoline-1,3-dione
  • 1,3(2H,4H)-Isoquinolinedione, 2-(phenylmethyl)-
  • 2-(3-CHLORO-PHENYL)-4H-ISOQUINOLINE-1,3-DIONE

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Multicomponent one-pot reactions: synthesis of some new 6-oxopyrano [2,3-c]isochromenes by condensation of homophthalic anhydride, dialkyl acetylenedicarboxylate, and isocyanides.

Comb. Chem. High Throughput Screen 12(5) , 536-42, (2009)

A novel three-component, one-pot condensation of the zwitterion generated from dialkyl acetylenedicarboxylate and isocyanides with homophthalic anhydride is described. The reaction affords new 6-oxopy...

Synthesis of new trans-2-benzyl-3-(furan-2-yl)-4-substituted-1,2,3,4-tetrahydroisoquinolinones.

Molecules 11(6) , 403-14, (2006)

The reaction of homophthalic anhydride and N-(furan-2-yl-methylidene)- benzylamine in different solvents and varying temperatures was studied in detail. Mixtures of the expected trans- and cis-1,2,3,4...


More Articles

Related Compounds

  • 4-nitrohomophthalic anhydride
  • 6,7-dimetoxihomophthalic anhydride
  • 3,4-methylenedioxyhomophthalic anhydride
  • Homophthalic acid
  • Methacrylic anhydride
  • Perfluorooctanoic anhydride
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine
  • 4-amino-N-[2-tert-butyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-benzimidazol-5-yl]-N-ethylbenzenesulfonamide
  • N-[3-(Aminooxy)propyl]-N-butyl-1-butanamine