Benzophenone-6

AKA: 131-54-4, 2'-Dihydroxy-4, 4'-dimethoxybenzophenone, Bis(2-hydroxy-4-methoxyphenyl)methanone, Methanone, Cyasorb UV 12, Uvinul D 49, 2, 2-Dihydroxy-4, 4-Dimethoxybenzophenone, Caswell No. 353C, BENZOPHENONE 6
Synthetic
Sunscreen Filter
Not Clean
OriginBenzophenone-6 is a synthetic aromatic compound belonging to the benzophenone chemical family of UV-absorbing molecules. It is synthesized through the condensation and oxidation of substituted benzene rings with carbonyl groups.
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone
Formula
C15H14O5
Mol. Weight
274.27
CAS #
131-54-4
Form
Powder
Skin Types
●all-skin-types
Best For
Sun Damage
Pregnancy & Breastfeeding Safe
Caution
Functions
Uv Absorber
Blocks or absorbs UV rays to protect your skin from sun damage, dark spots, and premature aging.
Shields from UV damage
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 827)
Not an Eye Irritant
1 study / 1 not irritating (CIR 827)
Mixed Skin Irritation Results
3 studies / 1 mixed / 2 not irritating / reactions minimal (CIR 827)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2020 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR