CI 45430

CAS Number	16423-68-0
Chem/IUPAC Name:	Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate
EINECS/ELINCS No:	240-474-8
COSING REF No:	32774

CI 45430 is a cosmetic colorant that is used in cosmetics to impart a bright red hue to formulations. This synthetic dye appears as an odorless red solid powder in its raw form. It can be found in embellishing products like lip glosses, lipsticks, and blushes. CI 45430 is also known by its chemical name ‘Tetraiodofluorescein sodium salt’ and trade name ‘Erythrosine B’. This ingredient requires various regulations for its safe use. The chemical formula of CI 45430 is C₂₀H₈I₄O₅.2Na.

Who supplies CI 45430 ?

Koel Colours

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Sensient Cosmetic Technologies

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Neelikon Food Dyes & Chemicals

What is CI 45430 used for?

CI 45430 finds widespread use in cosmetics and personal care products as a red colorant. Its vibrant hue adds intensity to a variety of makeup items, including lipsticks, lip glosses, blushes, and nail polishes. CI 45430 allows cosmetic manufacturers to create a diverse range of red shades, from deep crimson to bright cherry, catering to different consumer preferences. Its stability and compatibility with various formulations make it a popular choice for enhancing the visual appeal of beauty products, contributing to their aesthetic appeal and marketability.

Origin

CI 45430 is synthetically produced following the reaction of precursor compounds, typically aromatic hydrocarbons derived from coal tar or petroleum sources, with various chemical reagents. Through multiple reaction steps, including diazotization and coupling reactions, the desired dye molecule is synthesized. Purification steps ensure the removal of impurities, resulting in a high-purity dye product suitable for cosmetic applications.

What does CI 45430 do in a formulation?

Cosmetic colorant

Safety profile

CI 45430 is generally regarded as safe for topical use. However, some studies suggest that synthetic dyes like CI 45430 may pose potential risks, including allergic reactions and skin sensitivities. Additionally, there have been concerns regarding the safety of certain synthetic colorants, although regulatory agencies impose limits on their usage in cosmetics. Performing a patch test before widespread use is mandatory, especially for sensitive skin.