Ponceau 4R (CAS 2611-82-7) — formula C20H11N2Na3O10S3, molecular weight 604.5; category dyes and pigments.
Ponceau 4R (CAS 2611-82-7) is a chemical raw material in the dyes and pigments category. Its molecular formula C20H11N2Na3O10S3 comprises 20 C, 11 H, 2 N, 3 Na, 10 O, 3 S atoms. Its molecular weight is about 604.5. 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 | 2611-82-7 |
|---|---|
| Molecular Formula | C20H11N2Na3O10S3 |
| Molecular Weight | 604.5 |
| Applications | EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, Cosmetics, Hair dyeing |
| Category | Colorants|Food Additives |
Documented applications: EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, Cosmetics, Hair dyeing.
Ponceau 4R is a colorant or pigment compound with CAS registry number 2611-82-7 and molecular formula C20H11N2Na3O10S3 (molecular weight 604.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 2611-82-7
Its molecular formula C20H11N2Na3O10S3 comprises 20 C, 11 H, 2 N, 3 Na, 10 O, 3 S atoms.
Also known as: Ponceau 4R · 胭脂红 · Cochineal Red · Acid Scarlet 3R · Acid Red 18
Category: dyes and pigments / food additives
The CAS registry number of Ponceau 4R is 2611-82-7.
Molecular formula C20H11N2Na3O10S3, molecular weight 604.5.
It is also registered under: Ponceau 4R, 胭脂红, Cochineal Red, Acid Scarlet 3R, Acid Red 18.
Recorded applications: EPA Safer Chemical Functional Use Classes, Safer Chemical Classes, Cosmetics, Hair dyeing.
Category: Colorants / Food Additives.
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 Ponceau 4R (CAS 2611-82-7), compiled from public chemistry databases.
| CAS Number | 2611-82-7 |
|---|---|
| PubChem CID | 17466 |
| Molecular Formula | C20H11N2Na3O10S3 |
| IUPAC Name | trisodium;7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate |
| UNII (FDA) | Z525CBK9PG |
| Molecular Weight | 604.5 |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 2 |
| Exact Mass | 603.92689092 |
| Monoisotopic Mass | 603.92689092 |
| Topological Polar Surface Area | 242 |
| Heavy Atom Count | 38 |
C.I. Acid Red 18, Trisodium Salt; DTXSID9021213; RefChem:1080550; DTXCID501507484; Ponceau 4R; 2611-82-7; New coccine; Acid red 18; C.I. Acid Red 18; Food Red No. 102; Victoria Scarlet 3R; SX Purple; Brilliant Scarlet 4R; Coccine; Colacid Ponceau 4R; Food Red 7
| Regulatory & food contact | CIR / INCI: Hair dyeing; Cosmetic colorant |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性猩红3R