Benzophenone-8

Benzophenone-8 molecular structure
molecular structure · PubChem
AKA: Dioxybenzone, 131-53-3, 2'-DIHYDROXY-4-METHOXYBENZOPHENONE, Dioxybenzon, Spectra-sorb UV 24, Cyasorb UV 24, Advastab 47, (2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone, Methanone, Dioxibenzona
Synthetic
Sunscreen Filter
Not Clean
2,2'-Dihydroxy-4-methoxybenzophenone
Solubility Practically insoluble in water
Formula
C14H12O4
Mol. Weight
244.24
CAS #
131-53-3
Form
Powder
State
2,2'-dihydroxy-4-methoxybenzophenone is a yellow powder. (NTP, 1992)
Functions
Uv Absorber
Blocks or absorbs UV rays to protect your skin from sun damage, dark spots, and premature aging.
Shields from UV damage
Traditional Use
A synthetic benzophenone-type UV absorber developed for cosmetic and sunscreen use in the late 20th century. Engineered as an alternative to earlier benzophenones with potentially improved photostability or tolerance profiles.
EWG
1
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
3.0%
0%4%
Reg. Limit
FDA OTC limit (Sunscreen): 3%. 21 CFR 352.10
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
Sun Damage
Pregnancy & Breastfeeding Safe
Caution
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR