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Naphthalene-2-sulfonic acid

Naphthalene-2-sulfonic acid
Naphthalene-2-sulfonic acid structure
CAS No.
120-18-3
Chemical Name:
Naphthalene-2-sulfonic acid
Synonyms
Dirinal NSK;2-Sulfonaphthalene;2-Naphthalenesulfoni;β-Naphthalenesulfonic;beta-naphthalenesulfonic;beta-naphthylsulfonicacid;2-NAPHTHALENESULFONIC ACI;naphthalene-2-sulfonicaci;BETA NAPTHALENE SULPHONATE;2-NAPHTHALENESULFONIC ACID
CBNumber:
CB8118079
Molecular Formula:
C10H8O3S
Formula Weight:
208.23
MOL File:
120-18-3.mol

Naphthalene-2-sulfonic acid Properties

Melting point:
124 °C
Boiling point:
317.43°C (rough estimate)
Density 
1.44 g/cm
refractive index 
1.4998 (estimate)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
water: freely soluble(lit.)
pka
0.27±0.10(Predicted)
Water Solubility 
Soluble in water.
Sensitive 
Hygroscopic
Merck 
6377
CAS DataBase Reference
120-18-3(CAS DataBase Reference)
EWG's Food Scores
1
FDA UNII
O9S4K2S25E
EPA Substance Registry System
2-Naphthalenesulfonic acid (120-18-3)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H303-H318-H290-H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P260h-P301+P330+P331-P405-P501a
Hazard Codes  C,F
Risk Statements  35-34-11
Safety Statements  26-36/37/39-45-16
RIDADR  UN 2583 8/PG 2
WGK Germany  1
RTECS  QK1225000
Hazard Note  Corrosive
TSCA  Yes
HazardClass  8
PackingGroup  III

Naphthalene-2-sulfonic acid price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 249548 2-Naphthalenesulfonic acid technical grade, 70% 120-18-3 5g $70 2021-03-22 Buy
Sigma-Aldrich 249548 2-Naphthalenesulfonic acid technical grade, 70% 120-18-3 100g $131 2021-03-22 Buy
Alfa Aesar H56685 Naphthalene-2-sulfonic acid, 98% 120-18-3 500g $293 2021-03-22 Buy
Alfa Aesar H56685 Naphthalene-2-sulfonic acid, 98% 120-18-3 100g $78.3 2021-03-22 Buy

Naphthalene-2-sulfonic acid Chemical Properties,Uses,Production

Chemical Properties

Nondeliquescent, white plates.Soluble in water, alcohol, and ether. Combustible.

Uses

Starting point in the manufacture of β-naphthol, β-naphtholsulfonic acid, β-naphthylaminesulfonic acid, etc.

Definition

ChEBI: A naphthalenesulfonic acid in which the sulfo group is linked to position 2 of the naphthalene ring.

Purification Methods

Crystallise the acid from conc HCl. The S-benzylisothiuronium salt has m 192o (from aqueous EtOH). [Berger Acta Chem Scand 8 432 1954, Beilstein 11 H 171, 11 IV 527.]

Naphthalene-2-sulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products


Naphthalene-2-sulfonic acid Suppliers

Global( 247)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Capot Chemical Co.,Ltd.
+86(0)13336195806 +86-571-85586718
+86-571-85864795 sales@capotchem.com China 20012 60
Henan DaKen Chemical CO.,LTD.
+86-371-66670886
info@dakenchem.com China 20907 58
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22607 55
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29954 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28229 58
Hebei Guanlang Biotechnology Co., Ltd.
+8619930503282
sales3@crovellbio.com China 5930 58
Xiamen AmoyChem Co., Ltd
+86 592-605 1114
sales@amoychem.com CHINA 6369 58
Hubei xin bonus chemical co. LTD
86-13657291602
027-59338440 linda@hubeijusheng.com CHINA 23035 58
Shandong chuangyingchemical Co., Ltd.
18853181302
sale@chuangyingchem.com CHINA 5917 58
Chongqing Chemdad Co., Ltd
+86-13650506873
sales@chemdad.com CHINA 37282 58

View Lastest Price from Naphthalene-2-sulfonic acid manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2021-10-13 Naphthalene-2-sulfonic acid
120-18-3
US $9.90 / KG 1KG 99% 5tons Hebei Guanlang Biotechnology Co., Ltd.
2021-07-13 Naphthalene-2-sulfonic acid
120-18-3
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd
2021-07-10 Naphthalene-2-sulfonic acid
120-18-3
US $15.00-10.00 / KG 1KG 99%+ HPLC Monthly supply of 1 ton Zhuozhou Wenxi import and Export Co., Ltd

Naphthalene-2-sulfonic acid Spectrum


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