C20H10Br2O5
490.1 g/mol
Dye & PigmentDanger
4',5'-Dibromofluorescein
CAS596-03-2EC209-876-0
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
colorant in personal care products
4',5'-Dibromofluorescein is a brominated derivative of fluorescein used primarily as a colorant in personal care products. Its structure includes multiple aromatic rings and halogen substituents, contributing to its coloring properties.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Danger
H301Toxic if swallowed
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4',5'-Dibromofluorescein (CAS 596-03-2) is 3204.19.
HS code (international, 6-digit)
3204.19
EU CN code (8-digit)
3204 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4',5'-dibromo-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChIKey
ZDTNHRWWURISAA-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)O)Br)OC5=C3C=CC(=C5Br)O
Synonyms (29)
- 4',5'-Dibromofluorescein
- 4',5'-Dibromofluororescein
- 4,5-Dibormofulorescein
- Acid orange 11 (Salt/Mix)
- C.I. Solvent Red 72
- D&C Orange No. 5
- Dibromofluorescein (Salt/Mix)
- Eosinic acid
- Eosinic acid;Solvent Red 72
- FLUORESCEIN, 4',5'-DIBROMO-
- Japan Orange 201
- Japan Orange No. 201
- orange 5
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