murphyBenzophenone-1
AKA: 2, 4-DIHYDROXYBENZOPHENONE, 131-56-6, Benzoresorcinol, Resbenzophenone, Inhibitor DHBP, Uvinul 400, Advastab 48, Uvistat 12, Quinsorb 010, Syntase 100
Synthetic
Sunscreen Filter
Not Clean
OriginBenzophenone-1 is a synthetic aromatic ketone compound derived from benzene and related petroleum-based chemical precursors. It is synthesized through Friedel-Crafts acylation, combining benzene with benzoyl chloride under catalytic conditions.
2,4-Dihydroxybenzophenone has been reported in Arabidopsis thaliana with data available.
Solubility Practically insoluble in cold water
Formula
C13H10O3
Mol. Weight
214.22
CAS #
131-56-6
Form
Powder
State
Dry 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-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 827)
Phototoxic in Testing
Lab (in vitro) test with a phototoxic or photosensitizing result in the CIR safety assessment (CIR 827)
Mixed Skin Irritation Results
3 studies / 1 mixed / 2 not irritating / reactions minimal (CIR 827)
Mixed Eye Irritation Results
3 studies / 1 irritating / 2 not irritating / reactions slight to moderate (CIR 827)
Concentration Guide
Leave-on0.05–1.1%
Rinse-off0.009–0.15%
0%50%100%
Reg. limit 2%
CIR reported use · 2020 survey
EU/SCCS limit: 2% in cosmetic products. Opinion: SCCS/1672/24
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR