红2G（CAS 3734-67-6）：分子式 C18H13N3Na2O8S2、分子量 509.4；类别 染料及颜料。
| CAS号 | 3734-67-6 |
|---|---|
| 分子式 | C18H13N3Na2O8S2 |
| 分子量 | 509.4 |
| 类别 | 着色剂 |
红2G 是一种着色或颜料类化合物，登记 CAS 号为 3734-67-6，分子式 C18H13N3Na2O8S2（分子量 509.4），归属于染料及颜料大类化工原料。
登记 CAS 号：3734-67-6
其分子式 C18H13N3Na2O8S2 由 18 个碳、13 个氢、3 个氮、2 个钠、8 个氧、2 个硫 组成。
别名/同义词：红2G · Red 2G
所属分类：染料及颜料
红2G 的 CAS 登记号为 3734-67-6。
分子式 C18H13N3Na2O8S2，分子量 509.4。
别名/同义词：红2G、Red 2G。
所属分类：着色剂。
红2G（CAS 3734-67-6）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 3734-67-6 |
|---|---|
| PubChem CID | 19522 |
| Molecular formula | C18H13N3Na2O8S2 |
| IUPAC name | disodium;5-acetamido-4-hydroxy-3-phenyldiazenylnaphthalene-2,7-disulfonate |
| UNII (FDA) | 3365R6427R |
| Molecular Weight | 509.4 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 3 |
| Exact Mass | 508.99394529 |
| Monoisotopic Mass | 508.99394529 |
| Topological Polar Surface Area | 205 |
| Heavy Atom Count | 33 |
| Color Additive Status | 81.30 |
|---|
3734-67-6; Red 2G; C.I. Acid Red 1; Lissamine Red 2G; C. I. Food Red 10; 1379 Red; DTXSID9044663; CI 18050; 3365R6427R; DTXCID7024663; azofloxin; RefChem:572118; Acid red 1; Azophloxine; Acid Red 2G; Amido Naphthol Red G
| Regulatory & Food Contact | COLOUR: Food Additives AZOGERANINE JECFA ADI: 0-0.1 mg/kg bw Not re-evaluated by JECFA, but the provisions for Red 2G was withdrawn at CCFA50. TRS 669-JECFA 25/20 FAS 16-JECFA 25/169 |
|---|---|
| GHS notification summary | 94.7% (2096 / 2214) |
| GHS notification summary | 94.7% (2096 / 2214) |
|---|
This chemical does not meet GHS hazard criteria for 94.7% (2096 of 2214) of all reports.
Reported as not meeting GHS hazard criteria by 2096 of 2214 companies (only 5.3% companies provided GHS information). For more detailed information, please visit ECHA C&L website.
Red 2G · CAS 3734-67-6 · C18H13N3Na2O8S2. UNII 3365R6427R. Color Additive Status: 81.30.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Red 2G