Ponceau S (CAS 6226-79-5) — formula C22H16N4O13S4, molecular weight 672.7; category dyes and pigments.
Ponceau S (CAS 6226-79-5) is a chemical raw material in the dyes and pigments category. Its molecular formula C22H16N4O13S4 comprises 22 C, 16 H, 4 N, 13 O, 4 S atoms. Its molecular weight is about 672.7. Reported physicochemical data: LogP about 1.9. 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 | 6226-79-5 |
|---|---|
| Molecular Formula | C22H16N4O13S4 |
| Molecular Weight | 672.7 |
| LogP | 1.9 |
| Category | Dyes & Pigments |
Ponceau S is a colorant or pigment compound with CAS registry number 6226-79-5 and molecular formula C22H16N4O13S4 (molecular weight 672.7), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 6226-79-5
Its molecular formula C22H16N4O13S4 comprises 22 C, 16 H, 4 N, 13 O, 4 S atoms.
Also known as: Ponceau S · 丽春红S
Category: dyes and pigments
The CAS registry number of Ponceau S is 6226-79-5.
Molecular formula C22H16N4O13S4, molecular weight 672.7.
It is also registered under: Ponceau S, 丽春红S.
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 Ponceau S (CAS 6226-79-5), compiled from public chemistry databases.
| CAS Number | 6226-79-5 |
|---|---|
| PubChem CID | 408829 |
| Molecular Formula | C22H16N4O13S4 |
| IUPAC Name | 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl]diazenyl]naphthalene-2,7-disulfonic acid |
| Molecular Weight | 672.7 |
|---|---|
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 17 |
| Rotatable Bond Count | 8 |
| Exact Mass | 671.95967127 |
| Monoisotopic Mass | 671.95967127 |
| Topological Polar Surface Area | 321 |
| Heavy Atom Count | 43 |
Ponceau S (acid form); Ponceau Red S; 3-Hydroxy-4-[(E)-{2-Sulfo-4-[(E)-(4-Sulfophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-Disulfonic Acid; 3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid; NSC-16216; Ponceau S free acid; SCHEMBL26386; SCHEMBL4659395; CHEBI:90322; DTXSID00863718; RKNMXKUOQDDLGF-OGVISGSZSA-N; NSC16216; Q27162458; Q27464794; 2, 3-hydroxy-4-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodium salt; 2-Hydroxy-1-[[4[(4-sulfophenyl)azo]-2-sulfophenyl]azo]naphthalene-3, tetrasodium salt
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 丽春红S