6-乙酰氨基-4-羟基萘-2-磺酸

6-乙酰氨基-4-羟基萘-2-磺酸 - Names and Identifiers

Name	2-Acetamido-8-naphthol-6-sufonic acid (N-acetyl gamma acid)
Synonyms	Acetyl Gamma Acid N-Acetyl gamma acid 2-Acetamido-8-naphthol-6-sufonic 2-Acetamido-8-Naphthol-6-Sulfonic Acid 6-Acetamido-4-hydroxy-2-naphthalenesulfonic acid 6-acetamido-4-hydroxynaphthalene-2-sulphonic acid 2-Acetamido-8-naphthol-6-sufonic acid (N-acetyl gamma acid)
CAS	6361-41-7
EINECS	228-836-3

6-乙酰氨基-4-羟基萘-2-磺酸 - Physico-chemical Properties

Molecular Formula	C12H11NO5S
Molar Mass	281.28
Density	1.581±0.06 g/cm3(Predicted)
pKa	8.63±0.40(Predicted)

6-乙酰氨基-4-羟基萘-2-磺酸 - Upstream Downstream Industry

Downstream Products

2-Naphthalenesulfonic acid, 6-(acetylamino)-3-[(2,4-dimethyl-6-sulfophenyl)azo]-4-hydroxy-, disodium salt
REACTIVE ORANGE 7
2-Naphthalenesulfonic acid, 6-(acetylamino)-3-([1,1'-biphenyl]-2-ylazo)-4-hydroxy-, monosodium salt
Reactive Orange 16
2-Naphthalenesulfonic acid, 6-(acetylamino)-3-[[4-(benzoylethylamino)phenyl]azo]-4-hydroxy-, monosodium salt

6-乙酰氨基-4-羟基萘-2-磺酸 - Introduction

N-acetyl acid (gamma acid)(N-acetyl gamma acid for short) is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of N-acetyl gamma acid:

Nature:
-Appearance: N-acetyl gamma acid is a white crystalline powder.
-Solubility: limited solubility in water, soluble in acid and organic solvents.
-Melting point: About 188-191 ℃.

Use:
- N-acetyl-γ-acid is widely used in the synthesis of dyes and fluorescent indicators.
-It can be used as an acid-base indicator, a pigment and a precursor for dyes.
- N-acetyl gamma acid is also used in biochemical experiments in the color reaction and enzyme substrate.

Method:
The preparation method of N-acetyl gamma acid can be carried out by the following steps:
1. Heating sulfuric acid and naphthalene in ethanol to generate Naphthalene sulfonic acid.
2. In the presence of sodium hydroxide, acetylation of Naphthalene sulfonic acid with acetyl chloride to obtain N-acetyl gamma acid.

Safety Information:
As a chemical substance, attention should be paid to the safe use of-N-acetyl gamma acid.
-Avoid inhalation or contact with skin and eyes.
-Wear protective gloves and goggles when using N-acetyl gamma acid, and ensure that the operation is carried out in a well-ventilated place.
-If inhaled or exposed, rinse immediately with water and seek medical help.

Last Update：2024-04-09 15:18:03