Product Name: Naphthalene-2-sulfonic acid
CAS: 120-18-3
Molecular Formula: C10H8O3S
Molecular Weight: 208.23
Appearance: off white crystal powder
Assay: 98%min
Product Name: Naphthalene-2-sulfonic acid
CAS: 120-18-3
Molecular Formula: C10H8O3S
Molecular Weight: 208.23
Appearance: off white crystal powder
Assay: 98%min
Naphthalene-2-sulfonic acid Quick Details
Product Name: Naphthalene-2-sulfonic acid
CAS: 120-18-3
Molecular Formula: C10H8O3S
Molecular Weight: 208.23
Appearance: off white crystal powder
Assay: 98%min
Typical Properties
| CAS Number | 120-18-3 |
| Product Name | 2-naphthalene Sulfonic Acid |
| Synonyms | 2-naphthalenesulfonic Acid; Naphthalene-2-sulfonic Acid Hydrate; 2-naphthalenesulfonic Acid; Naphthalene-2-sulfonic Acid; |
| Molecular Formula | C10H10O4S |
| Molecular Weight | 226.249 |
| InChI | 1/C10H8O3S.H2O/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10;/h1-7H,(H,11,12,13);1H2 |
| EINECS | 204-375-3 |
| Appearance | Off White Powder |
| Density | 1.423 g/cm3 |
| Melting Point | 124 °C |
| Risk Codes | R35 |
| Safety Description | S26;S36/37/39;S45 |
Naphthalene-2-sulfonic acid Usage
Core Function: A critical organic synthesis intermediate, particularly in the dyestuff and fine chemical industries.
Synthesis of 2-Naphthol: This is its most classic application. 2-Naphthol is prepared via an alkaline fusion reaction; it is an important raw material for the production of dyes, fragrances, and rubber antioxidants.
Dye Industry: Used in the synthesis of various acid dyes, direct dyes, and organic pigments.
Concrete Admixtures: Its condensate is an excellent and highly effective water-reducing agent, significantly improving the fluidity and strength of concrete.
Packaging and Shipping
Packing: 25kg/drum
Naphthalene-2-sulfonic acid Storage
Stored in a cool dry place out of direct sunlight.