CI 45370 is a chemical compound, a synthetic dye also known as Solvent Red 72.

It contains a xanthene core that makes the colour fluorescent.

Chemical name:

 disodium;2-(4,5-dibromo-3,6-dioxido-9H-xanthen-9-yl)benzoate;hydron

What it is used for and where

Cosmetics

Restricted cosmetic ingredient as IV/75 (CI 45370) II/1333 (Solvent Red 72)  a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported:  4',5'-Dibromo-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one and its insoluble barium, strontium and zirconium lakes, salts and pigments.  Wording of conditions of use and warnings

• Not more than 1% 2-(6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid and 2% 2-(bromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid

Cosmetics - INCI Functions

Colorant. This ingredient has the function of colouring the solution in which it is inserted in a temporary, semi-permanent or permanent manner, either alone or in the presence of the complementary components added for colouring.

Safety

Use in hair colouring products is prohibited.

Molecular Formula    C20H₁₀Br₂Na₂O₅

Molecular Weight  534.1 g/mol

CAS     4372-02-5

 EC number 224-468-2    209-876-0

UNII 7MF02AWG95

Synonyms:

Solvent Red 72

Acid Orange 11

Dibromofluorescein