C20H10Cl2O3
369.2 g/mol
Dye & PigmentWarning
3',6'-Dichlorofluoran
CAS630-88-6EC211-147-7
Category
Dye & Pigment
Compound Class
Heterocycle
Primary Use
dye and pigment intermediate
3',6'-Dichlorofluoran is a halogenated derivative of fluorescein, characterized by two chlorine substituents on the xanthene core, which imparts distinct photophysical properties. It is primarily utilized as an intermediate in the synthesis of dyes and pigments for industrial applications.
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.
Sourcing 3',6'-Dichlorofluoran?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ApplicationSame Use
2,6-Dibromoanthraquinone
CAS633-70-5
dye and pigment intermediate
ApplicationSame Use
2,4,5-trichloroaniline
CAS636-30-6
dye and pigment intermediate
ApplicationSame Use
1-aminoanthraquinone
CAS82-45-1
dye and pigment intermediate
ApplicationSame Use
1,5-dichloroanthraquinone
CAS82-46-2
dye and pigment intermediate
ReferenceSame Category
1,1,2-Trimethyl-3-(4-sulphonatobutyl)-1H-benz[e]indolium inner salt
CAS63149-24-6
dye intermediate or inner salt
ReferenceSame Category
1-Bromoanthraquinone
CAS632-83-7
intermediate for anthraquinone dyes
ReferenceSame Category
Basic fuchsine
CAS632-99-5
histological dye and fluorochrome
ReferenceSame Category
Basic Red 12
CAS6320-14-5
Basic dye for acrylic fibers
Safety Reference
Warning
H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3',6'-Dichlorofluoran (CAS 630-88-6) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
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
3',6'-dichlorospiro[2-benzofuran-3,9'-xanthene]-1-one
InChIKey
LNBKJWCRFAZVLK-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)Cl)OC5=C3C=CC(=C5)Cl
Synonyms (16)
- 3',6'-Dichlorofluoran
- Fluoran, 3',6'-dichloro-
- Fluoran, 3',6'dichloro (8CI)
- Fluoran,6'-dichloro-
- Fluorescein chloride
- Fluorescein dichloride
- Fluoresceinchlorid
Sourcing 3',6'-Dichlorofluoran?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.