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Moumoujus

METHOXYPROPYLAMINO CYCLOHEXENYLIDENE ETHOXYETHYLCYANOACETATE.

Valuable CAS 1419401-88-9 / LIGHT STABILIZER, UV FILTER

Methoxypropylamino Cyclohexenylidene Ethoxyethylcyanoacetate is an advanced organic UV filter engineered to provide robust protection against long-wave UVA radiation. Specifically targeting UVA1 (360-400 nm) with peak absorption at 385 nm, it effectively shields the skin from photoaging. Clinical data indicates its capacity to reduce visible signs of pigmentation and aging when incorporated into high-SPF formulations.

Summary

uv filter light stabilizer

Science

Mechanism of Action

This organic chemical UV filter operates by absorbing harmful ultraviolet radiation, primarily in the UVA1 spectrum. Upon absorption, the energy is transformed into heat and dissipated, thereby preventing UV-induced damage. It forms an invisible, protective layer within the skin's uppermost strata, acting as a barrier against solar exposure.

Research

Clinical Evidence

Medium confidence
Effective range ≤3%
Optimal

3%

Key findings

  1. 01 The Scientific Committee on Consumer Safety (SCCS) has deemed this ingredient safe for use as a UV-filter in cosmetic products.
  2. 02 When utilized as a UV-filter in SPF50 sunscreens, it significantly reduces pigmentation and visible signs of aging.
  3. 03 A single case of allergic contact dermatitis was reported during patch testing, though 12 healthy atopic controls showed no adverse reactions.

Transparency

Dusting Analysis

Not commonly dusted

As an ingredient typically integrated into liquid or cream-based sunscreens and cosmetic formulations, it is not commonly associated with airborne 'dusting' concerns.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

Presented as a yellow solid, this ingredient undergoes a time-dependent isomerization from a Z-isomer to an E-isomer upon dissolution. An equilibrium, with a Z-to-E ratio of approximately 1.98:1.00, is established within roughly 5 hours.

Conflicts

  • Nitrosating substances (due to potential nitrosamine formation).
  • Sprayable products (due to unassessed inhalation toxicity).

Safety

Safety Profile

CIR Status
Not reviewed
Max tested
3%
Sensitization risk Moderate

The SCCS concluded its safety for use as a UV-filter in cosmetic products at concentrations up to 3%. However, its inhalation toxicity remains unassessed, rendering it unsuitable for spray applications. As a secondary amine, it poses a risk of forming potentially harmful nitrosamines if co-formulated with nitrosating agents; the final product's nitrosamine content must be maintained below 50 ppb. It currently lacks recognition or approval from the U.S. FDA for cosmetic use within the United States. A singular instance of allergic contact dermatitis has been documented.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

This potent organic UVA1 filter offers significant photoprotection and anti-aging benefits at 3%, though formulators must diligently manage its nitrosation potential and note its current FDA status.

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