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Moumoujus

METHYL 4-T-BUTYLBENZOATE.

Avoid CAS 26537-19-9 / FLAVOURING, FRAGRANCE, PERFUMING

Methyl 4-t-butylbenzoate serves primarily as a fragrance and perfuming agent within cosmetic formulations. Beyond its aromatic contribution, it functions as a critical chemical intermediate, particularly in the synthesis of advanced UV filters such as avobenzone.

Summary

Fragrance Perfuming agent Chemical intermediate

Science

Mechanism of Action

This compound primarily functions by imparting a distinct scent to cosmetic products. Its role in skincare is not as a direct active ingredient providing specific skin benefits, but rather as a foundational chemical precursor utilized in the manufacturing of other active compounds.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted

Given its primary utility as a fragrance agent and a chemical intermediate, rather than an ingredient with direct therapeutic skin benefits, Methyl 4-t-butylbenzoate is often incorporated into formulations without extensive dermatological efficacy evaluations, leading to its 'dusting' into various product categories.

The Formula

Formulation

Solubility
Oil
Optimal pH N/A
0 7 14

Stability

The compound exhibits good inherent stability, with no reported risk of hazardous polymerization under typical formulation conditions.

Conflicts

  • Oxidizing agents, including nitrates, strong oxidizing acids, chlorine bleaches, and pool chlorine, should be avoided due to potential incompatible reactions.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Moderate

Methyl 4-t-butylbenzoate is classified as a hazardous substance by OSHA (29 CFR 1910.1200) and carries GHS classifications of H302 (Harmful if swallowed), H312 (Harmful in contact with skin), and H332 (Harmful if inhaled). It is considered a moderate hazard. Direct contact with eyes may lead to transient discomfort. Prolonged dermal contact can degrease the skin, which may contribute to non-allergic contact dermatitis. The substance is also toxic to aquatic organisms.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

Given its classification as a moderate hazard with potential for skin irritation and degreasing, coupled with a lack of direct, beneficial skincare activity, Methyl 4-t-butylbenzoate is not recommended for precision skincare formulations.

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