酸性橙11

Description

disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate · CAS 4372-02-5 · C20H8Br2Na2O5. UNII 7MF02AWG95.

Identification

CAS Registry Number	4372-02-5
PubChem CID	20388
Molecular formula	C20H8Br2Na2O5
IUPAC name	disodium;4',5'-dibromo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
UNII (FDA)	7MF02AWG95

Computed Descriptors

Molecular Weight	534.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	0
Exact Mass	533.85134
Monoisotopic Mass	531.85339
Topological Polar Surface Area	81.7
Heavy Atom Count	29
Formal Charge	0
Complexity	585

Physical description & handling notes

• D&C Orange No. 6
• None
• formerly Drugs, Cosmetics

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic colorant; Hair dyeing

Documented Uses

• Cosmetics -> Cosmetic colorant; Hair dyeing

Synonyms

Dibromofluorescein; C.I. Acid Orange 11; Eosine 2J; Bromo Acid Yellowish; Eosine S 10; 4',5'-Dibromfluorescein; D and C Orange No. 6; C.I. 45370; EINECS 224-468-2; 7MF02AWG95; Fluorescein, 4',5'-dibromo-, disodium salt; Fluorescein, 4',5'-dibromo-, sodium deriv., sodium salt; Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium salt; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-, disodium salt; RefChem:888153; SOLVENT RED 72 [INCI]

Frequently Asked Questions

What are the CAS number and molecular formula of disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate?

CAS 4372-02-5; molecular formula C20H8Br2Na2O5; molecular weight — g/mol.

What other names is disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate known by?

Dibromofluorescein, C.I. Acid Orange 11, Eosine 2J, Bromo Acid Yellowish, Eosine S 10, 4',5'-Dibromfluorescein.

What is the regulatory status of disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate?

Documented regulatory listings: CIR / INCI: Cosmetic colorant; Hair dyeing.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.