Acid Orange 156
- CAS NO.:68555-86-2
- Empirical Formula: C21H21N4NaO5S
- Molecular Weight: 464.47
- EINECS: 271-462-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:11:59
What is Acid Orange 156?
Chemical properties
Orange powder. It is easily soluble in water, and its solubility in water (90℃) is 100g/L.
The Uses of Acid Orange 156
Acid Orange 156 can be used for dyeing and printing of nylon, silk and wool fabrics
Synthesis
Acid Orange 156 was prepared from p-aminobenzenesulfonic acid, 3-amino-4-methoxytoluene and phenol as raw materials.
Properties of Acid Orange 156
| CAS DataBase Reference | 68555-86-2 |
| EPA Substance Registry System | Benzenesulfonic acid, 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]-, sodium salt (68555-86-2) |
Safety information for Acid Orange 156
Computed Descriptors for Acid Orange 156
Acid Orange 156 manufacturer
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![4-[(4-Amino-5-methoxy-2-methylphenyl)azo]benzenesulfonic acid](https://img.chemicalbook.in/CAS/GIF/40947-69-1.gif)

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