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Moumoujus

PIGMENT GREEN 7.

Optional CAS 1328-53-6 / HAIR DYEING

Pigment Green 7, scientifically known as CI 74260, is a synthetic organic pigment engineered to impart a stable, vibrant bluish-green color to cosmetic formulations. Its robust molecular structure ensures consistent color integrity and resistance to environmental factors.

Summary

Colorant

Science

Mechanism of Action

This ingredient, a chlorinated copper phthalocyanine complex, functions as a colorant by dispersing finely within a formulation, thereby imparting a distinct bluish-green hue. Its molecular design, featuring a central copper atom reinforced by chlorine atoms, confers exceptional stability and resistance against fading or migration when exposed to various environmental stressors.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Unknown
Optimal pH 4.4 – 8.8
0 7 14

Stability

Pigment Green 7 exhibits high stability, resisting degradation from alkali, acids, solvents, heat, and UV radiation. It maintains thermal stability up to 300°C, with decomposition initiating above 550°C. Optimal stability is observed within a pH range of 4.4 to 8.8. Due to its insolubility in water and common organic solvents, it is typically incorporated into formulations as a dispersion.

Conflicts

  • strong acids
  • strong bases
  • oxidizing agents
  • high temperatures (for decomposition prevention)
  • sources of ignition

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Low

Pigment Green 7 (CI 74260) is regulated for cosmetic use, with explicit restrictions. In Europe (IV/107), it is not permitted for use around the eyes but is allowed in other cosmetic applications, particularly rinse-off products. The US FDA permits its use in cosmetics, excluding the eye area, and lists it in the Inventory of Food Contact Substances. The EPA Safer Chemical program has assessed CI 74260 as being of 'low concern' based on available data. While aggregated GHS information indicates that the chemical does not meet hazard criteria in 97.8% of reports, the EWG Skin Deep system classifies it as 'Unacceptable' for EWG VERIFIED products due to concerns regarding its use restrictions, potential for persistence and bioaccumulation, and non-reproductive organ system toxicity.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Optional

Pigment Green 7 is an optional colorant that provides a stable bluish-green hue to cosmetic formulations, generally considered safe for use outside the eye area, subject to specific regulatory restrictions in both EU and US markets.

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