Basic Blue 7

AKA: Victoria Pure Blue BO, 2390-60-5, C.I. Basic Blue 7, Eljon Blue Toner, Silosuper Blue B, Victoria Pure Blue, Victoria Blue FBO, Victoria Pure Blue RB, Aizen Victoria Blue BO
Synthetic
Not Clean
OriginBasic Blue 7 is synthesized from aromatic amines and formaldehyde as primary starting materials. It is produced through condensation and oxidation reactions to form the triphenylmethane dye structure.
[4-[4-(diethylamino)-.alpha.-[4-(ethylamino)-1-naphthyl]benzylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium chloride (CI 42595)
Formula
C33H40ClN3
Mol. Weight
514.10
CAS #
2390-60-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Hair Dyeing
Locks In Moisture
Anti-Aging Benefits
Antioxidant Protection
Colors Hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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