颜料红 49:2，CAS 登记号 1103-39-5，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于染料及颜料。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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PIGMENT RED 49:2 · CAS 1103-39-5 · C20H14N2O4S. UNII KN0SE6H7BI.
| CAS Registry Number | 1103-39-5 |
|---|---|
| PubChem CID | 14200 |
| Molecular formula | C20H14N2O4S |
| IUPAC name | 2-[(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonic acid |
| UNII (FDA) | KN0SE6H7BI |
| Molecular Weight | 378.4 |
|---|---|
| XLogP3 | 4.6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 3 |
| Exact Mass | 378.06742811 |
| Monoisotopic Mass | 378.06742811 |
| Topological Polar Surface Area | 108 |
| Heavy Atom Count | 27 |
| Formal Charge | 0 |
| GHS notification summary | 100% (2 / 2) |
|---|
| GHS notification summary | 100% (2 / 2) |
|---|
This chemical does not meet GHS hazard criteria for 100% (2 of 2) of all reports.
Reported as not meeting GHS hazard criteria by 2 of 2 companies. For more detailed information, please visit ECHA C&L website.
KN0SE6H7BI; EINECS 249-459-0; 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-; DTXSID3067445; 1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-; 1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-; 1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, sodium salt; 2-((2-Hydroxy-1-naphthyl)azo)naphthalenesulphonic acid; 2-[(2-hydroxy-1-naphthyl)azo]naphthalenesulphonic acid; 2-(2-(2-HYDROXY-1-NAPHTHALENYL)DIAZENYL)-1-NAPHTHALENESULFONIC ACID; 1-Naphthalenesulfonic acid, 2-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-; 2-[2-(2-Hydroxy-1-naphthalenyl)diazenyl]-1-naphthalenesulfonic acid; RefChem:863196; DTXCID6037938; 29128-55-0; 2-((2-hydroxynaphthalen-1-yl)diazenyl)naphthalene-1-sulfonic acid
CAS 1103-39-5; molecular formula C20H14N2O4S; molecular weight — g/mol.
KN0SE6H7BI, EINECS 249-459-0, 1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, DTXSID3067445, 1-Naphthalenesulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-, 1-Naphthalenesulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-.
100% of GHS notifications report no hazard classification (2 of 2).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.