Basic

CAS No.	57564-54-2
Product Name	Tetranitrophenolsulfonphthalein
Synonyms	Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2,6-dinitro-, S,S-dioxide; 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2,6-dinitrophenol)
Molecular Formula	C19H10N4O13S
Molecular Weight	534.3667

Physical property

Density	1.86g/cm3
Boiling point	614.6°C at 760 mmHg
Flash point	325.5°C
Refractive index	1.745