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703-59-3 - Homophthalic anhydride, 97+% - o-Carboxyphenylacetic acid cyclic anhydride - 1,3-Isochromanedione - A15538 - Alfa Aesar

A15538 Homophthalic anhydride, 97+%

CAS Number
703-59-3
Synonyms
o-Carboxyphenylacetic acid cyclic anhydride
1,3-Isochromanedione

Size Price ($) Quantity Availability
10g 40.17
50g 165.83
250g 583.20
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Homophthalic anhydride, 97+%

MDL
MFCD00006894
EINECS
211-873-4

Chemical Properties

Formula
C9H6O3
Formula Weight
162.14
Melting point
140-144°
Sensitivity
Moisture Sensitive
Solubility
Decomposes in water.

Applications

It is used as a chemical and organic intermediates.

Notes

Moisture sensitive. Storage temperature 15 - 30°C. Store under inert gas. Store away from exposure to moisture, strong oxidizing agents, strong acids, strong bases.

Literature References

Niefang Yu; Line Bourel; Benoit Deprez; Jean-Claude Gesquiere. Lewis acid-induced reaction of homophthalic anhydride with imines: a convenient synthesis of trans-isoquinolonic acids. Tetrahedron Letters. 1998, 39 (8), 829-832.

Yasumitsu Tamura; Manabu Sasho; Kiyomi Nakagawa; Teruhisa Tsugoshi; Yasuyuki Kita. Strong base induced cycloaddition of homophthalic anhydrides leading to peri-hydroxy polycyclic compounds. J. Org. Chem. 1984, 49, (3), 473-478.

Can behave, in its tautomeric o-quinonoid form, as a diene in the Diels-Alder reaction, giving, e.g. with quinones, useful yields of functionalized linear polycyclic systems of potential applicability in anthracyclinone synthesis: Tetrahedron Lett., 22, 4283 (1981); J. Org. Chem., 47, 4376 (1982):

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
5244
Harmonized Tariff Code
2917.39
TSCA
No

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