Acid Yellow 199 (CAS 70865-20-2) — formula C19H15N4NaO6S, molecular weight 450.4; category dyes and pigments.
Acid Yellow 199 (CAS 70865-20-2) is a chemical raw material in the dyes and pigments category. Its molecular formula C19H15N4NaO6S comprises 19 C, 15 H, 4 N, 1 Na, 6 O, 1 S atoms. Its molecular weight is about 450.4. 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 | 70865-20-2 |
|---|---|
| Molecular Formula | C19H15N4NaO6S |
| Molecular Weight | 450.4 |
| Category | Dyes & Pigments |
Acid Yellow 199 is a colorant or pigment compound with CAS registry number 70865-20-2 and molecular formula C19H15N4NaO6S (molecular weight 450.4), belonging to the dyes and pigments segment of chemical raw materials.
CAS number: 70865-20-2
Its molecular formula C19H15N4NaO6S comprises 19 C, 15 H, 4 N, 1 Na, 6 O, 1 S atoms.
Also known as: Acid Yellow 199 · 酸性黄199 · YELLOW A-4R
Category: dyes and pigments
The CAS registry number of Acid Yellow 199 is 70865-20-2.
Molecular formula C19H15N4NaO6S, molecular weight 450.4.
It is also registered under: Acid Yellow 199, 酸性黄199, YELLOW A-4R.
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 Yellow 199 (CAS 70865-20-2), compiled from public chemistry databases.
| CAS Registry Number | 70865-20-2 |
|---|---|
| PubChem CID | 135666575 |
| Molecular formula | C19H15N4NaO6S |
| IUPAC name | sodium 4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate |
| UNII (FDA) | EKG9QR9Y9K |
| Molecular Weight | 450.4 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 4 |
| Exact Mass | 450.06099967 |
| Monoisotopic Mass | 450.06099967 |
| Topological Polar Surface Area | 168 |
| Heavy Atom Count | 31 |
Acid Yellow 199; 70865-20-2; EINECS 274-950-1; 4-4-(4-hydroxy-2-methylphenyl)azophenylamino-3-nitrobenzenesulphonate (sodium salt); sodium;4-[4-[(4-hydroxy-2-methylphenyl)diazenyl]anilino]-3-nitrobenzenesulfonate; Benzenesulfonic acid, 4-[[4-[(4-hydroxy-2-methylphenyl)azo]phenyl]amino]-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-[[4-[2-(4-hydroxy-2-methylphenyl)diazenyl]phenyl]amino]-3-nitro-, sodium salt (1:1); C.I. Acid Yellow 199; 61931-26-8; Telon Yellow 4R; Benzenesulfonic acid, 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitro-, monosodium salt; Benzenesulfonic acid, 4-((4-(2-(4-hydroxy-2-methylphenyl)diazenyl)phenyl)amino)-3-nitro-, sodium salt (1:1); Sellacid Orange PF; Nylosan Yellow E 4RL; Best Acid Yellow A 4R; Triacid Fast Yellow 4RL
YELLOW A-4R · CAS 70865-20-2 · C19H15N4NaO6S. UNII EKG9QR9Y9K.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 酸性黄199