Benzophenone-12
AKA “Octabenzone, 2-HYDROXY-4-(OCTYLOXY)BENZOPHENONE, Benzophenone 12, Benzon OO, 2-Hydroxy-4-octoxybenzophenone, Sumisorb 130, Rhodialux P, Seikalizer E
Synthetic
Ingredient Facts
Benzophenone-12
AKA: Octabenzone, 2-HYDROXY-4-(OCTYLOXY)BENZOPHENONE, Benzophenone 12, Benzon OO, 2-Hydroxy-4-octoxybenzophenone, Sumisorb 130, Rhodialux P, Seikalizer E
Synthetic · Uv Absorber · EWG: 2
Synthetic
Sunscreen Filter
Safety Concern
Synthetic
Clean
Helps protect skin from UV damage by absorbing harmful sun rays before they penetrate deeper into the skin.
Solubility In water, <0.001 mg/L at 20 °C, pH 6 /OECD Guideline 105 (Water Solubility)/
Formula
C21H26O3
Mol. Weight
326.40
CAS #
1843-05-6
Form
Powder
State
Dry Powder; Liquid; Other Solid; NKRA; Pellets or Large Crystals
See origin →
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 derivative developed as a UV filter for cosmetic and sunscreen applications in the late 20th century. Created to provide enhanced photostability compared to earlier benzophenone versions.
Skin Types
all-skin-types, gentle
Best For
Sun Damage
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
2
CIR
Insufficient
Pregnancy
Caution
CIR Safety Findings
ewg-2
medical-approval
pregnancy-nursing-safe
all-shades-safe
Phototoxicity Concern
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR