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CI 26100

Last update on Feb 14, 2023
Solvent red 23 (C22H16N4O) is also known as CI 26100 and used as a colorant in cosmetic product formulations. It has a molecular weight of 352.396.
CAS Number: 85-86-9Chem/IUPAC Name: C-Ext. Rot 56, D&C Red No. 17,1-[4-(phenylazo)phenylazo]-1-Naphtol,Solvent Red 23,Sudan III,Red 17 (CI 26100)EINECS/ELINCS No: 201-638-4COSING REF No: 32744

Products with CI 26100

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SR23

by Artec Chemical

INCI: CI 26100
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D&C Red 17 (Neelikon)

by Neelikon Food Dyes & Chemicals

INCI: CI 26100 | AQUA | SODIUM CHLORIDE | SODIUM SULFATE
  • Sustainable option
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PHAT BLACK DC 9203

by Sensient Cosmetic Technologies

INCI: CI 26100 | CI 61565
  • Sustainable option
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What is CI 26100 used for?

As a cosmetic colorant, CI 26100 is used to impart a red color to cosmetic formulations. It is commonly used in hair treatment/serum, polish remover, nail polish, facial moisturizer/treatment, body oil, mask, hair color and bleaching, body spray, nail treatment, bar soap, serums & essences, fragrance for women, hair styling aide, recreational sunscreen, sunless tanning, tanning oil, fragrance for men.

Origin

CI 26100 is synthetically made by coupling aminoazobenzene with β-naphthol.

What does CI 26100 do in a formulation?

COSMETIC COLORANT

Safety Profile

According to EWG, CI 26100 scored 2-6. This ingredient’s score is higher if used in products intended for damaged skin, around mouth, on lips, around the eyes due to increased risk of absorption. It is suspected to be an environmental toxin and be persistent or bioaccumulative. In few studies it has been found to cause weak endocrine disruption.

CI 26100 alternatives

No data available

CI 26100 technical profile

Property Values
Boiling Point 584.6°C
Melting Point 195°C
Specific Gravity 1.2266
Solubility Insoluble in water
Soluble in methanol, ethanol, DMSO and other organic solvents