N,N,N-Trimethyl-4-(2-oxoborn-3-ylidenemethyl) anilinium methyl sulphate

About N,N,N-Trimethyl-4-(2-oxoborn-3-ylidenemethyl) anilinium methyl sulphate

A cosmetic ingredient used in product formulations. Its specific function may vary between products. Exercise caution due to limited available safety data.

Detailed Analysis

Also known as Camphor Benzalkonium Methosulfate, this quaternary ammonium salt functions as a fragrance ingredient with mild UV-absorbing properties. EU hazard statements H315 (skin irritation) and H319 (eye irritation) apply, and a maximum concentration of 6% is specified in EU regulatory references. While not prohibited, this ingredient requires careful formulation to avoid irritation, particularly in leave-on products around the eye area.

Skin Benefits

• ✓ Provides fragrance function contributing to product aesthetic
• ✓ Mild UV-absorbing properties offer ancillary photoprotection
• ✓ Cationic character can provide antistatic conditioning effects on skin

Known Concerns

• ⚠ Skin irritant (H315) — avoid use in broken or compromised skin
• ⚠ Eye irritant (H319) — avoid direct eye contact
• ⚠ Cationic surfactant character may increase irritation risk on sensitive skin
• ⚠ Limited long-term sensitisation data

References