酸性橙156（CAS 68555-86-2）：分子式 C21H19N4NaO5S、分子量 462.5。
| CAS号 | 68555-86-2 |
|---|---|
| 分子式 | C21H19N4NaO5S |
| 分子量 | 462.5 |
| 应用领域 | General Manufacturing Information: Benzenesulfonic acid、4-[2-[5-methoxy-4-[2-(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]-、sodium salt (1:1): ACTIVE |
登记用途：General Manufacturing Information: Benzenesulfonic acid、4-[2-[5-methoxy-4-[2-(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]-、sodium salt (1:1): ACTIVE。
酸性橙156 是一种化工化合物，登记 CAS 号为 68555-86-2，分子式 C21H19N4NaO5S（分子量 462.5）。
登记 CAS 号：68555-86-2
其分子式 C21H19N4NaO5S 由 21 个碳、19 个氢、4 个氮、1 个钠、5 个氧、1 个硫 组成。
别名/同义词：酸性橙156 · Acid Orange 156
酸性橙156 的 CAS 登记号为 68555-86-2。
分子式 C21H19N4NaO5S，分子量 462.5。
别名/同义词：酸性橙156、Acid Orange 156。
登记用途：General Manufacturing Information: Benzenesulfonic acid、4-[2-[5-methoxy-4-[2-(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]-、sodium salt (1:1): ACTIVE。
酸性橙156（CAS 68555-86-2）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 68555-86-2 |
|---|---|
| PubChem CID | 23703979 |
| Molecular formula | C21H19N4NaO5S |
| IUPAC name | sodium 4-[[5-methoxy-4-[(4-methoxyphenyl)diazenyl]-2-methylphenyl]diazenyl]benzenesulfonate |
| UNII (FDA) | L9BA8PT45E |
| Molecular Weight | 462.5 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 7 |
| Exact Mass | 462.09738517 |
| Monoisotopic Mass | 462.09738517 |
| Topological Polar Surface Area | 133 |
| Heavy Atom Count | 32 |
ACID ORANGE 156; EINECS 271-462-0; L9BA8PT45E; CI ACID ORANGE 156; Benzenesulfonic acid, 4-((5-methoxy-4-((4-methoxyphenyl)azo)-2-methylphenyl)azo)-, sodium salt; 4-((5-Methoxy-4-((4-methoxyphenyl)azo)-2-methylphenyl)azo)benzenesulfonic acid, sodium salt; CI 26501; C.I. 26501; Benzenesulfonic acid, 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]-, sodium salt; Sodium 4-((5-methoxy-4-((4-methoxyphenyl)azo)-2-methylphenyl)azo)benzenesulphonate; Sodium 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]benzenesulphonate; RefChem:564433; 72827-75-9; Benzenesulfonic acid, 4-5-methoxy-4-(4-methoxyphenyl)azo-2-methylphenylazo-, sodium salt; 615-818-9; 68555-86-2
| GHS notification summary | 75% (3 / 4) |
|---|
| GHS notification summary | 75% (3 / 4) |
|---|---|
| Reported hazard statements | H319 (25%) |
This chemical does not meet GHS hazard criteria for 75% (3 of 4) of all reports.
H319 (25%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Acid Orange 156 · CAS 68555-86-2 · C21H19N4NaO5S. UNII L9BA8PT45E.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Acid Orange 156