颜料红21（CAS 6410-26-0）属染料及颜料类产品，分子式 C23H16ClN3O2，分子量 401.8。济南圣和化工有限公司常年现货供应该产品，常规纯度 按批次COA提供(不公开发布)，可按客户需求安排分装包装，欢迎邮件或来电询价。
| CAS号 | 6410-26-0 |
|---|---|
| 分子式 | C23H16ClN3O2 |
| 分子量 | 401.8 |
| LogP | 6.6 |
| 纯度 | 按批次COA提供(不公开发布) |
| 包装 | 按订单/批次确认(不公开发布) |
| 应用领域 | 染料及颜料 |
| 类别 | 染料及颜料 |
染料及颜料
颜料红21主要应用于染料及颜料。具体使用工况下的添加量与规格要求，欢迎与技术团队沟通确认。
采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。
每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。
济南圣和化工有限公司位于山东济南，主营化工原料供应，精选产品 3,000+ 种，覆盖有机化学品、无机化学品、食品添加剂、医药中间体等 12 大分类。我们随货提供 COA 分析证书，一个工作日内回复报价，欢迎国内外采购方长期合作。
颜料红21 的 CAS 号为 6410-26-0。
常规纯度规格为 按批次COA提供(不公开发布)，包装为 按订单/批次确认(不公开发布)，随货提供 COA。
主要应用于染料及颜料。
请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。
Pigment Red 21 · CAS 6410-26-0 · C23H16ClN3O2. UNII NS00047512.
| CAS Registry Number | 6410-26-0 |
|---|---|
| PubChem CID | 80854 |
| Molecular formula | C23H16ClN3O2 |
| IUPAC name | 4-[(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenylnaphthalene-2-carboxamide |
| UNII (FDA) | NS00047512 |
| Molecular Weight | 401.8 |
|---|---|
| XLogP3 | 6.6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 4 |
| Exact Mass | 401.0931045 |
| Monoisotopic Mass | 401.0931045 |
| Topological Polar Surface Area | 74.1 |
| Heavy Atom Count | 29 |
| Formal Charge | 0 |
| GHS notification summary | 100% (30 / 30) |
|---|
| GHS notification summary | 100% (30 / 30) |
|---|
This chemical does not meet GHS hazard criteria for 100% (30 of 30) of all reports.
Reported as not meeting GHS hazard criteria by 30 of 30 companies. For more detailed information, please visit ECHA C&L website.
EINECS 229-096-4; 2-Naphthalenecarboxamide, 4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl-; DTXSID6064329; 2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-; 2-Naphthalenecarboxamide, 4-((2-chlorophenyl)azo)-3-hydroxy-N-phenyl-; 4-((2-Chlorophenyl)azo)-3-hydroxy-N-phenylnaphthalene-2-carboxamide; 4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenylnaphthalene-2-carboxamide; 2-Naphthalenecarboxamide, 4-[2-(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenyl-; RefChem:508976; DTXCID2044216; 229-096-4; 6410-26-0; 4-((2-Chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-2-naphthamide; 4-[(2-chlorophenyl)diazenyl]-3-hydroxy-N-phenylnaphthalene-2-carboxamide; 2-Naphthalenecarboxamide,4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl-; 4-[2-(2-Chlorophenyl)diazenyl]-3-hydroxy-N-phenyl-2-naphthalenecarboxamide
CAS 6410-26-0; molecular formula C23H16ClN3O2; molecular weight — g/mol.
EINECS 229-096-4, 2-Naphthalenecarboxamide, 4-[(2-chlorophenyl)azo]-3-hydroxy-N-phenyl-, DTXSID6064329, 2-Naphthalenecarboxamide, 4-(2-(2-chlorophenyl)diazenyl)-3-hydroxy-N-phenyl-, 2-Naphthalenecarboxamide, 4-((2-chlorophenyl)azo)-3-hydroxy-N-phenyl-, 4-((2-Chlorophenyl)azo)-3-hydroxy-N-phenylnaphthalene-2-carboxamide.
100% of GHS notifications report no hazard classification (30 of 30).
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.
English page: Pigment Red 21