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Dipotassium 7-hydroxynaphthalene-1,3-disulphonate

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate structure

CAS No.: 842-18-2

Chemical Name:: Dipotassium 7-hydroxynaphthalene-1,3-disulphonate

Synonyms: G SALT;G ACID;G SALT (ACID);G-SALT (POTTASIUM);Dipotassium 7-hydrox;Cholic Acid Impurity 6;Y ACID DIPOTASSIUM SALT;G ACID DIPOTASSIUM SALT;Potassium2-naphthol-6,8-disulfonate;7-hydroxynaphthalene-1,3-disulphonate

CBNumber:: CB7360468

Molecular Formula:: C10H6K2O7S2

Molecular Weight:: 380.48

MDL Number:: MFCD00066361

MOL File:: 842-18-2.mol

Last updated:2025-12-31 14:38:37

Product description	Number	Pack Size	Price
Dipotassium 2-Naphthol-6,8-disulfonate Hydrate >98.0%(HPLC)(T)	N0030	25g	$108
7-Hydroxy-1,3-naphthalenedisulfonicAcidDipotassiumSalt	H950730	25g	$215
Dipotassium 7-hydroxynaphthalene-1,3-disulphonate	FD159310	1kg	$250
Dipotassium 2-Naphthol-6,8-disulfonate Hydrate	T983	5g	$47
Dipotassium 7-hydroxynaphthalene-1,3-disulphonate	FD159310	100g	$60
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Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Properties

Melting point	>300°C
storage temp.	Room Temperature
solubility	Methanol (Slightly), Water (Slightly)
form	Solid
color	Off-White to Light Grey
CAS DataBase Reference	842-18-2(CAS DataBase Reference)
FDA UNII	I4S7VVU23A
EPA Substance Registry System	7-Hydroxy-1,3-naphthalenedisulfonic acid dipotassium salt (842-18-2)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P233-P260-P261-P264-P270-P271-P280-P301+P312-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P330-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501

Safety Statements

24/25

TSCA

TSCA listed

HS Code

29089990

NFPA 704

	0
1		0

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate price More Price(19)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	N0030	Dipotassium 2-Naphthol-6,8-disulfonate Hydrate >98.0%(HPLC)(T)	842-18-2	25g	$108	2025-07-31	Buy
TRC	H950730	7-Hydroxy-1,3-naphthalenedisulfonicAcidDipotassiumSalt	842-18-2	25g	$215	2021-12-16	Buy
Biosynth Carbosynth	FD159310	Dipotassium 7-hydroxynaphthalene-1,3-disulphonate	842-18-2	1kg	$250	2021-12-16	Buy
AK Scientific	T983	Dipotassium 2-Naphthol-6,8-disulfonate Hydrate	842-18-2	5g	$47	2021-12-16	Buy
Biosynth Carbosynth	FD159310	Dipotassium 7-hydroxynaphthalene-1,3-disulphonate	842-18-2	100g	$60	2021-12-16	Buy

Product number	Packaging	Price	Buy
N0030	25g	$108	Buy
H950730	25g	$215	Buy
FD159310	1kg	$250	Buy
T983	5g	$47	Buy
FD159310	100g	$60	Buy

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Chemical Properties,Uses,Production

Chemical Properties

Moist paste

Uses

7-Hydroxy-1,3-naphthalenedisulfonic acid is a coupling component used to prepare heterocyclic monoazo dyes.

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Preparation Products And Raw materials

Raw materials

Preparation Products

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Suppliers

Global( 255)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8753	58
Anhuyan (Hainan) Biotechnology Co., LTD	+8618163349544	mollylucking@foxmail.com	China	3000	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	+86-13017695106 +86-13676922317	jiuyitime@fdachem.com	China	16513	58
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21599	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29833	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
SIMAGCHEM CORP	+86-5922680277 +86-13806087780	sale@simagchem.com	China	17346	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	19681	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Anhuyan (Hainan) Biotechnology Co., LTD	58
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD	58
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Shandong chuangyingchemical Co., Ltd.	58
Standardpharm Co. Ltd.	58
SIMAGCHEM CORP	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dideu Industries Group Limited	58

View Lastest Price from Dipotassium 7-hydroxynaphthalene-1,3-disulphonate manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-01-29	Dipotassium 7-hydroxynaphthalene-1,3-disulphonate 842-18-2	US $0.00 / G/KG	1G/KG	99%	100MT	Anhuyan (Hainan) Biotechnology Co., LTD
2026-01-29	Dipotassium 7-hydroxynaphthalene-1,3-disulphonate 842-18-2	US $1.00 / kg	1kg	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-10-13	Dipotassium 7-hydroxy-1,3-naphthalenedisulfonate 842-18-2	US $3.00-9.00 / KG	0.1KG	99%	g-kg-tons, free sample is available	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate
842-18-2
US $0.00 / G/KG
99%
Anhuyan (Hainan) Biotechnology Co., LTD

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate
842-18-2
US $1.00 / kg
99%
Hebei Chuanghai Biotechnology Co., Ltd

Dipotassium 7-hydroxy-1,3-naphthalenedisulfonate
842-18-2
US $3.00-9.00 / KG
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate Spectrum

Dipotassium 7-hydroxynaphthalene-1,3-disulphonate(842-18-2)¹HNMR Dipotassium 7-hydroxynaphthalene-1,3-disulphonate(842-18-2)¹³CNMR Dipotassium 7-hydroxynaphthalene-1,3-disulphonate(842-18-2)IR1 Dipotassium 7-hydroxynaphthalene-1,3-disulphonate(842-18-2)IR2

842-18-2(Dipotassium 7-hydroxynaphthalene-1,3-disulphonate)Related Search:

Sodium chloride 2-Naphthol Phenmedipham Sodium diphenylamine-4-sulfonate Folic acid

Sodium xylenesulfonate Sulfogaiacol Dihydroergotoxine mesylate Potassium heptadecafluoro-1-octanesulfonate CHLOROPHOSPHONAZO III

1-Naphthol POTASSIUM PHOSPHITE Ethyl 2-(Chlorosulfonyl)acetate Dioctyl sulfosuccinate sodium salt Citric acid

Ascoric Acid 2-Naphthol-6-sulfonic acid potassium salt 2-NAPHTHOL-8-SULFONIC ACID POTASSIUM SALT

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2-NAPHTHOL-6,8-DISULFONIC ACID DIPOTASSIUM SALT 3-naphthalenedisulfonicacid,7-hydroxy-dipotassiumsalt Potassium2-naphthol-6,8-disulfonate Y ACID DIPOTASSIUM SALT dipotassium 7-hydroxynaphthalene-1,3-disulfonate 2-Naphthol-6,8-disulfonic Acid Dipotassium Salt（G salt ) 2-HYDROXY-6,8-DISULFONAPHTHALENE DIPOTASSIUM SALT Cholic Acid Impurity 6 2-naphthol 6,8-disulfonate potassium salt 2 NAPTHOL 6.8, DISULPHONIC AC ID(DI POTASSIUM SALT) G SALT (ACID) DIPOTASSIUM 2-NAPHTHOL-6,8-DISULFONATE DIPOTASSIUM 7-HYDROXY-1,3-NAPHTHALENEDISULFONATE dipotassium 7-hydroxynaphthalene-1,3-disulphonate G SALT G ACID G ACID DIPOTASSIUM SALT 7-HYDROXY-1,3-NAPHTHALENEDISULFONIC ACID DIPOTASSIUM SALT 1,3 NAPHTHALENE DISULFONIC ACID, 7 HYDROXY DIPOTASSIUM SALT 2-NAPHTHOL-6,8-DISULPHONICACID,DIPOTASSIUMSALT 7-HYDROXY-1,3-NAPHTHALENE-DISULPHONICACID,DIPOTASSIUMSALT 7-Hydroxy-1,3-naphthalindisulfonsure, Dikaliumsalz POTASSIUM7-HYDROXY-1,3-NAPHTHALENEDISULFONATE 2-NAPHTHOL-6,8-DISULFONIC ACID DIPOTASSIUM SALT HYDRATE: 80% HYDROXY-1,3-NAPHTHALENEDISULFONIC ACID DIPOTASSIUM SALT Dipotassium 2-Naphthol-6,8-disulfonate Hydrate 7-Hydroxy-1,3-naphthalenedi(sulfonic acid potassium) salt 2-Naphthol-6,8-disulfonic acid dipotassium salt,98% 2-Naphthalene-6,8-disulfonic acid dipotassium salt 7-hydroxy-1,3-naphthalene disulfonic acid potassium salt II Dipotassium 7-hydrox Dipotassium 7-Hydroxy-1,3-naphthalenedisulfonate 2-Naphthol-6,8-disulfonic Acid Dipotassium Salt G Acid Dipotassium Salt 7-Hydroxy-1,3-naphthalenedisulfonic Acid Dipotassium Salt DipotassiuM 2-Naphthol-6,8-disulfonate 2-naphthal-6,8-disulfonic acid dipotassium salt 1,3NapthaleneDisulfonicAcid,7HydroxyDipotassiumSalt 2-NAPHTHOL-6,8-DISULFONIC ACID DIPOTASSIUM SALT 80+% 2-Naphthol-6,8-disulfonic acid, sodium/potassium salt 7-Hydroxy-1,3-naphthalenedisulfonic acid, sodium/potassium salt Dipotassium2-Naphthol-6,8-disulfonateHydrate> 7-Hydroxy-1,3-naphthalenedisulfonic acid dipotassium salt hydrate Dipotassium 7-hydroxynaphthalene-1,3-disulphonate ISO 9001：2015 REACH Potassium 7-hydroxynaphthalene-1,3-disulfonate 2-Naphthol-6,8-Dipotassium Disulfonate (G salt) G-SALT (POTTASIUM) Dipotassium 2-Naphthol-6,8-disulfonate Hydrate, ≥ 98.0% 7-hydroxynaphthalene-1,3-disulphonate GSalt(Potassium2-Naphthol-6,8-disulfonate) G SALT Dipotassium 7-hydroxynaphthalene-1,3-disulphonate 842-18-2 C10H6K2O7S2xH2O HOC10H5SO3K2 C10H6K2O7S2 Organics Intermediates of Dyes and Pigments Intermediates