Acid Black 31 (CAS 6222-55-5) — formula C23H17N4NaO7S, molecular weight 516.5; category dyes and pigments.
Acid Black 31 (CAS 6222-55-5) is a chemical raw material in the dyes and pigments category. Its molecular formula C23H17N4NaO7S comprises 23 C, 17 H, 4 N, 1 Na, 7 O, 1 S atoms. Its molecular weight is about 516.5. 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 | 6222-55-5 |
|---|---|
| Molecular Formula | C23H17N4NaO7S |
| Molecular Weight | 516.5 |
| Category | Dyes & Pigments |
Acid Black 31 is a colorant or pigment compound with CAS registry number 6222-55-5 and molecular formula C23H17N4NaO7S (molecular weight 516.5), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 6222-55-5
Its molecular formula C23H17N4NaO7S comprises 23 C, 17 H, 4 N, 1 Na, 7 O, 1 S atoms.
Also known as: Acid Black 31 · 酸性黑31
Category: dyes and pigments
The CAS registry number of Acid Black 31 is 6222-55-5.
Molecular formula C23H17N4NaO7S, molecular weight 516.5.
It is also registered under: Acid Black 31, 酸性黑31.
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 Black 31 (CAS 6222-55-5), compiled from public chemistry databases.
| CAS Registry Number | 6222-55-5 |
|---|---|
| PubChem CID | 135750076 |
| Molecular formula | C23H17N4NaO7S |
| IUPAC name | sodium 6-anilino-4-hydroxy-5-[(2-methoxy-4-nitrophenyl)diazenyl]naphthalene-2-sulfonate |
| UNII (FDA) | NS00044268 |
| Molecular Weight | 516.5 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 5 |
| Exact Mass | 516.07156435 |
| Monoisotopic Mass | 516.07156435 |
| Topological Polar Surface Area | 178 |
| Heavy Atom Count | 36 |
6222-55-5; EINECS 228-304-0; Sodium 4-hydroxy-5-((2-methoxy-4-nitrophenyl)azo)-6-(phenylamino)naphthalene-2-sulphonate; C.I. Acid Black 31, monosodium salt; SCHEMBL29501253; DTXSID201371993; AKOS024429619; NS00044268; Sodium 4-hydroxy-5-((2-methoxy-4-nitrophenyl)diazenyl)-6-(phenylamino)naphthalene-2-sulfonate
Acid Black 31 · CAS 6222-55-5 · C23H17N4NaO7S. UNII NS00044268.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性黑31