Acid Brown 4 (CAS 5858-51-5) — formula C16H12N3NaO4S, molecular weight 365.3; category dyes and pigments.
Acid Brown 4 (CAS 5858-51-5) is a chemical raw material in the dyes and pigments category. Its molecular formula C16H12N3NaO4S comprises 16 C, 12 H, 3 N, 1 Na, 4 O, 1 S atoms. Its molecular weight is about 365.3. 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 | 5858-51-5 |
|---|---|
| Molecular Formula | C16H12N3NaO4S |
| Molecular Weight | 365.3 |
| Category | Dyes & Pigments |
Acid Brown 4 is a colorant or pigment compound with CAS registry number 5858-51-5 and molecular formula C16H12N3NaO4S (molecular weight 365.3), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 5858-51-5
Its molecular formula C16H12N3NaO4S comprises 16 C, 12 H, 3 N, 1 Na, 4 O, 1 S atoms.
Also known as: Acid Brown 4 · 酸性棕4
Category: dyes and pigments
The CAS registry number of Acid Brown 4 is 5858-51-5.
Molecular formula C16H12N3NaO4S, molecular weight 365.3.
It is also registered under: Acid Brown 4, 酸性棕4.
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 Brown 4 (CAS 5858-51-5), compiled from public chemistry databases.
| CAS Registry Number | 5858-51-5 |
|---|---|
| PubChem CID | 135713843 |
| Molecular formula | C16H12N3NaO4S |
| IUPAC name | sodium 6-[(4-aminophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate |
| UNII (FDA) | NS00047800 |
| Molecular Weight | 365.3 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 3 |
| Exact Mass | 365.04462133 |
| Monoisotopic Mass | 365.04462133 |
| Topological Polar Surface Area | 137 |
| Heavy Atom Count | 25 |
Sodium 6-((4-aminophenyl)azo)-5-hydroxynaphthalene-1-sulphonate; EINECS 227-492-1; EC 227-492-1; Sodium 6-[(4-aminophenyl)azo]-5-hydroxynaphthalene-1-sulphonate; RefChem:887186; 227-492-1; 5858-51-5; ACID BROWN 4; sodium;6-[(4-aminophenyl)diazenyl]-5-hydroxynaphthalene-1-sulfonate; Sodium 6-((4-aminophenyl)diazenyl)-5-hydroxynaphthalene-1-sulfonate; Acid Brown 4, tech.; C.I. Acid Brown 4; orb2567107; SCHEMBL2940832; AVULUSFAVFJIOG-UGAWPWHASA-M; DTXSID201023885
| GHS notification summary | 0.5% (11 / 2026) |
|---|
| GHS notification summary | 0.5% (11 / 2026) |
|---|---|
| Reported hazard statements | H302 (99.4%) |
This chemical does not meet GHS hazard criteria for 0.5% (11 of 2026) of reports.
H302 (99.4%): Harmful if swallowed [Warning Acute toxicity, oral]
Acid Brown 4 · CAS 5858-51-5 · C16H12N3NaO4S. UNII NS00047800.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性棕4