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Home > Chemical product channel > 77-09-8 Phenolphthalein (77-09-8)

Identification of 77-09-8


CAS No.:77-09-8

Molecular Weight: 318.32300

Formula: C20H14O4

Synonyms: 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one; 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-;

Safety Data

Safety Statements: S36/37-S45


Refractive Index:1.57 (7.9ºC)

Flash Point:24ºC

Stability:Stable. Incompatible with strong oxidizing agents, alkalies.

Appearance:odourless white to cream powder


Melting Point:258-263ºC

Boiling Point:548.7ºC at 760 mmHg

Storage temp:Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.

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