Uzumasa, Yasumitsu’s team published research in Nippon Kagaku Kaishi (1921-47) in 59 | CAS: 596-01-0

Nippon Kagaku Kaishi (1921-47) published new progress about 596-01-0. 596-01-0 belongs to benzofurans, auxiliary class Benzofuran,Naphthalene,Alcohol,Ester, name is 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one, and the molecular formula is C7H7BClFO3, Product Details of C28H18O4.

Uzumasa, Yasumitsu published the artcileSpectrochemical studies of mixed indicators. II. Absorption spectra of some new mixed indicators in their color-change intervals, Product Details of C28H18O4, the publication is Nippon Kagaku Kaishi (1921-47) (1938), 24-8, database is CAplus.

cf. C. A. 31, 8375.5. The color change of the 5 mixtures, (1) m-cresol purple + xylenol blue, (2) m-cresol purple + thymol blue, (3) xylenol blue + cresolphthalein, (4) α-naphtholphthalein + m-cresol blue, (5) α-naphtholphthalein + cresol red, has been determined in different pH ranges spectroscopically. It has been shown that the absorption curves of the mixtures can be constructed from those of the components.

Nippon Kagaku Kaishi (1921-47) published new progress about 596-01-0. 596-01-0 belongs to benzofurans, auxiliary class Benzofuran,Naphthalene,Alcohol,Ester, name is 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one, and the molecular formula is C7H7BClFO3, Product Details of C28H18O4.

Referemce:
https://en.wikipedia.org/wiki/Benzofuran,
Benzofuran | C8H6O – PubChem