2-naphthalenesulfonic

2-naphthalenesulfonic - Names and Identifiers

Name	naphthalene-2-sulfonic acid hydrate
Synonyms	2-NAPHTHALENESULFONIC 2-NAPHTHALENESULFONIC ACID HYDRATE NAPHTHALENE-2-SULFONIC ACID HYDRATE naphthalene-2-sulfonic acid hydrate naphthalene-2-sulphonic acid hydrate 2-NAPHTHALENESULFONIC ACID MONOHYDRATE
CAS	6036-00-6

2-naphthalenesulfonic - Physico-chemical Properties

Molecular Formula	C10H10O4S
Molar Mass	226.25
Density	1.44
Melting Point	122-125 °C
Appearance	Powder
Color	Gray
Storage Condition	Sealed in dry,Room Temperature

2-naphthalenesulfonic - Risk and Safety

Hazard Symbols	C - Corrosive
Risk Codes	34 - Causes burns
Safety Description	S28A - S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
UN IDs	UN 2583

2-naphthalenesulfonic - Introduction

naphthalene-2-sulfonic acid hydrate is an organic compound with the chemical formula C10H8O3S · H2O. It is a white crystalline solid, stable at room temperature. The following is a description of the nature, use, preparation and safety information of naphthalene-2-sulfonic acid hydrate:

Nature:
-Appearance: White crystalline solid
-Solubility: Soluble in water, slightly soluble in alcohol and ether
-melting point: about 140-143 ℃
-Stability: stable, long-term preservation in a dry environment

Use:
-Chemical reagent: naphthalene-2-sulfonic acid hydrate is an important organic synthesis reagent, commonly used in organic synthesis reactions as an acid catalyst or reducing agent.
-Dye intermediate: It can also be used as an intermediate for dye synthesis, especially under the acidic conditions of the dye.
-Analytical reagent: naphthalene-2-sulfonic acid hydrate can be used as an analytical reagent for metal ions, for example, for determining the presence of metal ions such as iron and manganese.

Preparation Method:
naphthalene-2-sulfonic acid hydrate can be obtained by reacting benzo [[c]] benzo [[g]] phenanthrene with concentrated sulfuric acid. First, benzo [[c]] benzo [[g]] phenanthrene was added to concentrated sulfuric acid, the reaction was stirred, and then the reaction mixture was filtered and washed to obtain 2-naphthalenesulfonic acid, and finally dried to obtain a hydrate of 2-naphthalenesulfonic acid.

Safety Information:
naphthalene-2-sulfonic acid hydrate generally do not cause serious health effects to the human body under normal conditions of use. However, as an organic compound, it may be irritating to the eyes, skin and respiratory system. When in use, it is recommended to wear appropriate personal protective equipment, such as gloves, protective glasses and masks. If accidental contact, should promptly rinse with plenty of water, and seek medical help.

Last Update：2024-04-10 22:29:15