UV Filter

Benzophenone-5

INCI: BENZOPHENONE-5
CAS 6628-37-1 EC 613-918-7
Benzenesulfonic acid, 5-benzoyl-4-hydroxy-2-methoxy-, monosodium salt
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Benzenesulfonic acid, 5-benzoyl-4-hydroxy-2-methoxy-, monosodium salt

Purpose

Function

UV filter, UV absorber, light stabilizer
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
GOOD
US
Permitted
EU Max Concentration5%
Absorptionlow
Sensitizationlow
MoSadequate
NOAEL1239 mg/kg
ConcernLow
Verdict

Potential endocrine effects flagged from BP-4 read-across data, but SCCS deemed safe at permitted levels. China permits at 5% (as acid).

US Note

Not listed as OTC sunscreen active (BP-4 is, but BP-5 is not); CIR concluded safe (2021)

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
6628-37-1
EC Number
613-918-7
INCI
BENZOPHENONE-5
Category
UV Filter
Updated
Apr 2, 2026