3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid (CAS 13432-13-8) — formula C16H12N2O8S2, molecular weight 424.4; category organic chemicals.
3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid (CAS 13432-13-8) is a chemical raw material in the organic chemicals category. Its molecular formula C16H12N2O8S2 comprises 16 C, 12 H, 2 N, 8 O, 2 S atoms. Its molecular weight is about 424.4. Reported physicochemical data: LogP about 2.3. 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 | 13432-13-8 |
|---|---|
| Molecular Formula | C16H12N2O8S2 |
| Molecular Weight | 424.4 |
| LogP | 2.3 |
| Category | Organic Chemicals |
3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid is a carbon-based organic compound with CAS registry number 13432-13-8 and molecular formula C16H12N2O8S2 (molecular weight 424.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 13432-13-8
Its molecular formula C16H12N2O8S2 comprises 16 C, 12 H, 2 N, 8 O, 2 S atoms.
Also known as: 3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid · 3-(苯基偶氮)-4,5-二羟基-2,7-萘二磺酸
Category: organic chemicals
The CAS registry number of 3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid is 13432-13-8.
Molecular formula C16H12N2O8S2, molecular weight 424.4.
It is also registered under: 3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid, 3-(苯基偶氮)-4,5-二羟基-2,7-萘二磺酸.
Category: Organic Chemicals.
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 3-(Phenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid (CAS 13432-13-8), compiled from public chemistry databases.
| CAS Number | 13432-13-8 |
|---|---|
| PubChem CID | 20173 |
| Molecular Formula | C16H12N2O8S2 |
| IUPAC Name | 4,5-dihydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonic acid |
| Molecular Weight | 424.4 |
|---|---|
| XLogP3 | 2.3 |
| Hydrogen Bond Donor Count | 4 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 4 |
| Exact Mass | 424.00350769 |
| Monoisotopic Mass | 424.00350769 |
| Topological Polar Surface Area | 191 |
| Heavy Atom Count | 28 |
4,5-dihydroxy-3-(phenyldiazenyl)naphthalene-2,7-disulfonic acid; CHEBI:87108; RefChem:1069395; 13432-13-8; SCHEMBL5351115; SCHEMBL5351119; acid red 29 (free acid form); SCHEMBL22798905; DTXSID60425518; 4,5-dihydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonic acid; Q27159373; 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-phenylazo-; 4,5-Dihydroxy-3-phenylazo-2,7-naphthalenedisulfonic acid; 1,8-di-hydroxy-2-(phenylazo)-3,6-naphthalene disulphonic acid; 4,5-dihydroxy-3-[(E)-phenylazo]naphthalene-2,7-disulfonic acid; 5-Hydroxy-4-oxo-3-(2-phenylhydrazinylidene)-3,4-dihydronaphthalene-2,7-disulfonic acid
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.