2-萘磺酸

Name: 2-萘磺酸
Brand: 济南圣和化工有限公司

CAS 120-18-3C10H8O3SMW 208.24

济南圣和化工主营供应 2-萘磺酸（CAS 120-18-3），归类于有机化学品，分子式 C10H8O3S，分子量 208.24。我们面向国内化工贸易与生产企业提供稳定的现货供应，报价响应快，支持对公转账并可开具增值税发票。

产品概览

CAS号	120-18-3
分子式	C10H8O3S
分子量	208.24
LogP	1.07
纯度	按批次COA提供(不公开发布)
包装	按订单/批次确认(不公开发布)
应用领域	有机化学品
类别	有机化学品

应用领域

有机化学品

2-萘磺酸在有机化学品领域使用广泛。采购前请确认纯度等级与包装形式，以批次 COA 为验收依据。

包装与储存

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

运输常规化工运输

样品可协商提供

交期现货/按订单安排

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除 2-萘磺酸外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

2-萘磺酸的 CAS 号是多少？

2-萘磺酸的 CAS 号为 120-18-3。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

2-萘磺酸有什么用途？

主要应用于有机化学品。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

2-Naphthalene Sulfonic Acid · CAS 120-18-3 · C10H8O3S. UNII O9S4K2S25E. Vapor Pressure: 0.00000002 [mmHg]; LogP: 1.07.

Identification

CAS Registry Number	120-18-3
PubChem CID	8420
Molecular formula	C10H8O3S
IUPAC name	naphthalene-2-sulfonic acid
UNII (FDA)	O9S4K2S25E

Computed Descriptors

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
Formal Charge	0

Physical & Chemical Properties

Vapor Pressure	0.00000002 [mmHg]
LogP	1.07

Physical description & handling notes

Dry Powder
Hygroscopic solid; [Sigma-Aldrich MSDS]
143.8 Å² [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID5044788]
143.5 Å² [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID4041442]

Regulatory Status

GHS notification summary	0.4% (1 / 255)

GHS Hazard Classification

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]

Documented Uses

Used to make beta-naphthol and intermediates; [Merck Index] Used as a laboratory reagent, monomer in thermoplastic manufacture, intermediate for large scale chemicals, in the processing of textiles, leather, fur, and paper-pulp-paper products, and as plastifier for concrete mixtures; [ExPub: ECHA REACH Registrations]
Pulp and Paper Processing [Category: Industry]
Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
Leather Tanning and Processing [Category: Industry]
Fur Dressing and Dyeing [Category: Industry]
Cement Producing [Category: Industry]

Synonyms

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

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Naphthalene Sulfonic Acid?

CAS 120-18-3; molecular formula C10H8O3S; molecular weight — g/mol.

What other names is 2-Naphthalene Sulfonic Acid known by?

Naphthalene-2-sulfonic acid, 120-18-3, 2-NAPHTHALENESULFONIC ACID, beta-Naphthylsulfonic acid, beta-Naphthalenesulfonic acid, Naphthalene-2-sulphonic acid.

Is 2-Naphthalene Sulfonic Acid classified as hazardous?

0.4% of GHS notifications report no hazard classification (1 of 255).

What are the key physical properties of 2-Naphthalene Sulfonic Acid?

Vapor Pressure: 0.00000002 [mmHg]; LogP: 1.07.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.