2-Naphthalene Sulfonic Acid (CAS 120-18-3) — formula C10H8O3S, molecular weight 208.24; category organic chemicals.
2-Naphthalene Sulfonic Acid (CAS 120-18-3) is a chemical raw material in the organic chemicals category. Its molecular formula C10H8O3S comprises 10 C, 8 H, 3 O, 1 S atoms. Its molecular weight is about 208.24. Reported physicochemical data: LogP about 1.07. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 120-18-3 |
|---|---|
| Molecular Formula | C10H8O3S |
| Molecular Weight | 208.24 |
| LogP | 1.07 |
| Applications | Used to make beta-naphthol and intermediates, Used as a laboratory reagent, monomer in thermoplastic manufacture, intermediate for large scale chemicals, in the processing of textiles, leather |
| Category | Organic Chemicals |
Documented applications: Used to make beta-naphthol and intermediates, Used as a laboratory reagent, monomer in thermoplastic manufacture, intermediate for large scale chemicals, in the processing of textiles, leather.
2-Naphthalene Sulfonic Acid is a carbon-based organic compound with CAS registry number 120-18-3 and molecular formula C10H8O3S (molecular weight 208.24), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 120-18-3
Its molecular formula C10H8O3S comprises 10 C, 8 H, 3 O, 1 S atoms.
Also known as: 2-Naphthalene Sulfonic Acid · 2-萘磺酸
Category: organic chemicals
The CAS registry number of 2-Naphthalene Sulfonic Acid is 120-18-3.
Molecular formula C10H8O3S, molecular weight 208.24.
It is also registered under: 2-Naphthalene Sulfonic Acid, 2-萘磺酸.
Recorded applications: Used to make beta-naphthol and intermediates, Used as a laboratory reagent, monomer in thermoplastic manufacture, intermediate for large scale chemicals, in the processing of textiles, leather.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 2-Naphthalene Sulfonic Acid (CAS 120-18-3), compiled from public chemistry databases.
| CAS Registry Number | 120-18-3 |
|---|---|
| PubChem CID | 8420 |
| Molecular formula | C10H8O3S |
| IUPAC name | naphthalene-2-sulfonic acid |
| UNII (FDA) | O9S4K2S25E |
| Molecular Weight | 208.24 |
|---|---|
| XLogP3 | 0.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 208.01941529 |
| Monoisotopic Mass | 208.01941529 |
| Topological Polar Surface Area | 62.8 |
| Heavy Atom Count | 14 |
| Vapor Pressure | 0.00000002 [mmHg] |
|---|---|
| LogP | 1.07 |
Naphthalene-2-sulfonic acid; 120-18-3; 2-NAPHTHALENESULFONIC ACID; beta-Naphthylsulfonic acid; beta-Naphthalenesulfonic acid; Naphthalene-2-sulphonic acid; DTXSID5044788; 2-Naphthalenesulfonic acid, monohydrate; O9S4K2S25E; DTXCID3024788; CHEBI:44229; RefChem:176039; 204-375-3; 2-Sulfonaphthalene; Kyselina 2-naftalensulfonova; 2-Naphthylsulfonic acid
| GHS notification summary | 0.4% (1 / 255) |
|---|
| GHS notification summary | 0.4% (1 / 255) |
|---|---|
| Reported hazard statements | H302 (41.6%), H314 (99.2%), H318 (80.4%) |
This chemical does not meet GHS hazard criteria for 0.4% (1 of 255) of reports.
H302 (41.6%): Harmful if swallowed [Warning Acute toxicity, oral]
2-Naphthalene Sulfonic Acid · CAS 120-18-3 · C10H8O3S. UNII O9S4K2S25E. Vapor Pressure: 0.00000002 [mmHg]; LogP: 1.07.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2-萘磺酸