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2-Naphthalenesulfonic acid

BGC Id:661189643256
CAS No:120-18-3
Synonyms:beta-naphthalenesulfonic ; 2-naphthalenesulfoni ; 2-sulfonaphthalene ; naphthalene-2-sulfonic acid ; beta napthalene sulphonate ; dirinal nsk ; kyselina2-naftalensulfonova ; 2-naphthalenesulfonic acid ; β-naphthalene sulfonic acid ; beta-naphthylsulfonicacid
Molecular Formula:C10H8O3S
Molecular Weight:208.23
EINECS:204-375-3
Structural Formula

Verified providers in 2026

The following 9 notable providers have been checked and can be recommended.
Chemical-Suppliers
Molekula
Molecular Weight : 208.23 Formula : C10H7SO3H HS Code : 2904100090 Categories : Building Blocks,Organics

The last intensive check and update was carried out on 2026/04/28.

Identify

Synonyms:
beta-naphthalenesulfonic ; 2-naphthalenesulfoni ; 2-sulfonaphthalene ; naphthalene-2-sulfonic acid ; beta napthalene sulphonate ; dirinal nsk ; kyselina2-naftalensulfonova ; 2-naphthalenesulfonic acid ; β-naphthalene sulfonic acid ; beta-naphthylsulfonicacid
CAS:
120-18-3
EINECS:
204-375-3
Molecular Formula:
C10H8O3S
MDL:
MFCD00004089
SMILES:
CC[C@@H](C)CC(=O)O

Properties

Molecular Weight:
208.23 g·mol−1
Density:
1.44 g/cm
Melting point:
124 °C
download Download Molfile for :
Naphthalene-2-sulfonic Acid

Suppliers

VUOS - Vyzkumny ustav organickych syntez a.s.

Company type: Producer
VUOS has two main activities – fine chemicals production and toxicology testing. We sell 9-Anthracenemethanol as well. VUOS is an European producer with strong support of in-house R&D, toxicology and analytical service. More than 60 years of VUOS history, ISO 9001:2001, GLP condition, effective environmental protection management and highly educated staff guarantee mutually advantageous cooperation with our partners. VUOS can offer custom synthesis from grams to tons, from R&D, laboratory synthesis, pilot to lar ...
Country: Czech Republic   Phone: +420 466 823 300   Telefax: +420 466 822 976

Xiamen Hisunny Chemical Co., Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-592-3327115
Telefax: +86-592-5823596
Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We are seller of 1,2,3,4-Tetrabromobutane. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals. We could give you: 1.Best quality in your requirement 2.Competitive price in China market 3.mature Technical support 4.Professional logistic support All we want is win-win business. Send yr. inquiries, you will get it!

Capot Chemical Co., Ltd.

Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...
Company type: Leading producer
Country: P.R.China
Phone: +86-571-85586718
Telefax: +86-571-85864795

Hangzhou Lingrui Chemical Co., Ltd.

Company type: Producer
Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices. Lingrui’s credo is committed to your reliable business partne ...
Country: P.R.China   Phone: +86-571-88092529   Telefax: +86-571-87334908

Carbone Scientific Co., Ltd.

Company type: Supplier
Country: U.K.
Phone: +44 (0)203 769 4441 ext 1
Telefax: +44 (0)203 769 4441 ext 2
Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. (3R)-(+)-Aminopyrrolidine is also served by Carbone Scientific Co., Ltd.. Our online catalogue has already listed over 50 ...

Shandong SanYoung Industry Co., Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. We provide 1-(2-Pyridyl)piperazine as well. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, ...
Country: P.R.China
Phone: +86 155-64526813
Telefax: +86 531-56897532

Xiamen Equation Chemical Co.,Ltd

Company type: Bulk chemical producer
Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers. We supply our chemical product MESNA.
Country: P.R.China   Phone: +86 592 6515854   Telefax: +86 592 6515854

AK Scientific, Inc.

Company type: Supplier
Country: USA
Phone: +1 (510) 429-8835
Telefax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Ethyl indole-4-carboxylate will be also provided by us. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

Molekula GmbH

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of key reabents used in the area of diagnostics, microbiology and biotechnology.
Company type: Trading company
Country: Germany
Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901

Safety Information

Hazard Classes:
8
Risk Codes:
35-34-11 (R)
Safety Codes:
26-36/37/39-45-16 (S)
WGK Germany:
1
RID / ADR:
UN 2583 8 / PG 2
RTECS:
QK1225000

What other providers are available for CAS 120-18-3?

In addition to the providers presented here for 2-Naphthalenesulfonic acid with the CAS number 120-18-3, there are other 29 providers with slightly different product names available for this CAS number.

Sancai Industry Co.,Ltd. | Shandong Lanhai Industry Co.,Ltd. | H&Z Industry Co.,Ltd | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Zehao Industry Co., Ltd. | Lori Industry Co., Ltd | Dayang Chem (Hangzhou) Co.,Ltd. | Nantong Xindao Biotech Ltd | Win-Win Chemical Co., Limited | Xingrui Industry Co., Limited | BLD Pharmatech Ltd | Leap Chem Co., Ltd | Skyrun Industrial Co., Ltd. +15 additional providers that we know from the past




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