Acid Orange 11 (CAS 4372-02-5) — formula C20H8Br2Na2O5, molecular weight 534.1; category dyes and pigments.
Acid Orange 11 (CAS 4372-02-5) is a chemical raw material in the dyes and pigments category. Its molecular formula C20H8Br2Na2O5 comprises 20 C, 8 H, 2 Br, 2 Na, 5 O atoms. Its molecular weight is about 534.1. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 4372-02-5 |
|---|---|
| Molecular Formula | C20H8Br2Na2O5 |
| Molecular Weight | 534.1 |
| Applications | Cosmetics, Hair dyeing |
| Category | Dyes & Pigments |
Documented applications: Cosmetics, Hair dyeing.
Acid Orange 11 is a colorant or pigment compound with CAS registry number 4372-02-5 and molecular formula C20H8Br2Na2O5 (molecular weight 534.1), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 4372-02-5
Its molecular formula C20H8Br2Na2O5 comprises 20 C, 8 H, 2 Br, 2 Na, 5 O atoms.
Also known as: Acid Orange 11 · 酸性橙11 · disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate
Category: dyes and pigments
The CAS registry number of Acid Orange 11 is 4372-02-5.
Molecular formula C20H8Br2Na2O5, molecular weight 534.1.
It is also registered under: Acid Orange 11, 酸性橙11, disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate.
Recorded applications: Cosmetics, Hair dyeing.
Category: Dyes & Pigments.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Acid Orange 11 (CAS 4372-02-5), compiled from public chemistry databases.
| 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 |
| 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 |
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]
| Regulatory & Food Contact | CIR / INCI: Cosmetic colorant; Hair dyeing |
|---|
disodium 2-(4,5-dibromo-6-oxido-3-oxoxanthen-9-yl)benzoate · CAS 4372-02-5 · C20H8Br2Na2O5. UNII 7MF02AWG95.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.