Sodium 6-hydroxynaphthalene-2-sulfonate supplier

Name
Sodium 6-hydroxynaphthalene-2-sulfonate
EINECS 205-218-1
CAS No. 135-76-2
Density 1.549g/cm3
Solubility 1000g/L at 25℃
Melting Point >300 °C(lit.)
Formula C₁₀H₇NaO₄S
Boiling Point 627.11℃[at 101 325 Pa]
Molecular Weight 246.219
Flash Point
Transport Information
Appearance
Safety 26-36-36/37/39-22
Risk Codes 36/37/38-20/21/22
Molecular Structure
Hazard Symbols Xn, Xi
Synonyms 2-Naphthalenesulfonicacid, 6-hydroxy-, monosodium salt (8CI,9CI);2-Naphthol-6-sodium sulfonate;2-Naphthol-6-sulfonicacid sodium salt;Schaeffer salt;Schaeffer's salt;Sodium2-naphthol-6-sulfonate;Sodium 6-hydroxy-2-naphthalenesulfonate;Sodium b-naphthol-6-sulfonate;
PSA 85.81000
LogP 2.53030

Synthetic route

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 77-78-1
dimethyl sulfate

: 149353-39-9
sodium 6-methoxy-2-naphthalenesulfonate

Conditions

Conditions	Yield
Stage #1: sodium 2-naphthol-6-sulfonate; dimethyl sulfate With sodium hydroxide In water at 40 - 60℃; for 1.66667h; Stage #2: With sodium chloride In water at 20℃; for 2h;	86%
With sodium hydroxide; sodium chloride In water at 50 - 55℃;	75%
With sodium hydroxide In water at 50 - 55℃; for 1h;	75%
With sodium hydroxide In water at 50 - 55℃; for 1h;

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 124-40-3
dimethyl amine

: sodium 6-dimethylaminonaphthalene-2-sulfonate

Conditions

Conditions	Yield
With sodium metabisulfite In water at 140℃; for 48h; Bucherer Carbazole Synthesis; Sealed tube; Inert atmosphere;	84%

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 74-89-5
methylamine

: 6-methylamino-2-naphthalenesulfonic acid, sodium salt

Conditions

Conditions	Yield
With sodium metabisulfite In water at 140℃; for 48h; Bucherer Carbazole Synthesis; Sealed tube; Inert atmosphere;	75%
With sodium hydrogensulfite In tetrahydrofuran; water for 72h; Heating / reflux;

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 98-09-9
benzenesulfonyl chloride

: 61152-55-4
sodium 2-phenylsulfonyloxynaphthalene-6-sulfonate

Conditions

Conditions	Yield
With sodium carbonate In water at 50℃; for 1.5h;	73.2%

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 108-24-7
acetic anhydride

: C12H9O5S(1-)*Na(1+)

Conditions

Conditions	Yield
With sulfuric acid at 110℃; for 7h;	71.3%

: 2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium iodide

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium 6-hydroxynaphthalene-2-sulfonate

Conditions

Conditions	Yield
In methanol	41%

: C6(2)H7NO3S

: 135-76-2
sodium 2-naphthol-6-sulfonate

: C16H6(2)H4N2O7S2(2-)*2Na(1+)

Conditions

Conditions	Yield
With sodium nitrate; [D]-sodium hydroxide; hydrogen chloride; sodium carbonate In water-d2 at 5℃; for 1h;	35%

: 135-76-2
sodium 2-naphthol-6-sulfonate

β-CD-OTs: β-CD-OTs

mono-6-O-(2-sulfonato-6-naphthyl)-β-CD: mono-6-O-(2-sulfonato-6-naphthyl)-β-CD

Conditions

Conditions	Yield
With sodium hydroxide In N,N-dimethyl-formamide at 65℃; for 80h;	30%

: 1161419-59-5
C43H67BrO10

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 1187225-58-6
C53H73O14S(1-)*Na(1+)

Conditions

Conditions	Yield
With sodium methylate In methanol at 60℃; Reflux;	30%

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 130313-71-2
3,5-Dichloro-pyridine-2-diazonium

: 130313-68-7
1-<(3,5-dichloro-2-pyridyl)azo>-2-hydroxynaphthalene-6-sulfonic acid sodium salt

Conditions

Conditions	Yield
With carbon dioxide In methanol for 12h;	25%

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 130313-72-3
3,5-Dibromo-pyridine-2-diazonium

: 1-<(3,5-dibromo-2-pyridyl)azo>-2-hydroxynaphthalene-6-sulfonic acid sodium salt

Conditions

Conditions	Yield
With carbon dioxide In methanol for 12h;	25%

: 125008-68-6
methyl (Z)-2-benzoylamino-3-dimethylaminopropenoate

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 144140-40-9
sodium 2-benzoylamino-3H-naphtho<2.1-b>pyran-2-one-8-sulphonate

Conditions

Conditions	Yield
With acetic acid Heating;	8%

: 50-00-0
formaldehyd

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 17292-96-5
6-hydroxy-5-sulfomethyl-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With water; sodium sulfite

: 1600-27-7
mercury(II) diacetate

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 2-hydroxy-6-sulfo-[1]naphthylmercury (1+); hydroxide, sodium-salt

Conditions

Conditions	Yield
With water

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 540-24-9
p-phenylenediamine hydrochloride

: 86713-64-6
6-(4-amino-anilino)-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 42344-05-8
4-nitroso-N,N-dimethylaniline hydrochloride

: 9-dimethylamino-3-sulfo-benzo[a]phenoxazinylium; chloride

Conditions

Conditions	Yield
With acid

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 515-74-2
sodium sulfanilate

: 110845-55-1
6-(4-sulfo-anilino)-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 86-97-5
5-amino-2-naphthol

Conditions

Conditions	Yield
With naphthalene; sodium amide at 230 - 240℃;

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 108-24-7
acetic anhydride

: 19694-57-6
6-acetoxy-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium acetate

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 123-30-8
4-amino-phenol

: 6-(4-hydroxy-anilino)-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 106-49-0
p-toluidine

: 7724-15-4
6-p-toluidinonaphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 106-49-0
p-toluidine

A: 7724-15-4
6-p-toluidinonaphthalene-2-sulfonic acid

B: 644-16-6
N-(p-tolyl)naphthalen-2-amine

Conditions

Conditions	Yield
With p-toluidine hydrochloride at 200℃;

...Expand

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 79-11-8
chloroacetic acid

: (6-sulfo-[2]naphthyloxy)-acetic acid

Conditions

Conditions	Yield
With alkali

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 62-53-3
aniline

A: 135-88-6
N-Phenyl-2-naphthylamine

B: 20096-53-1
2-anilinonaphthalene-6-sulfonic acid

Conditions

Conditions	Yield
With aniline hydrochloride at 190 - 200℃;

...Expand

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 62-53-3
aniline

: 20096-53-1
2-anilinonaphthalene-6-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite
With sodium disulfite; 2,3-Dimethylaniline
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 156-43-4
4-Ethoxyaniline

: 6-p-phenetidino-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite

: 135-76-2
sodium 2-naphthol-6-sulfonate

: 95-53-4
o-toluidine

: 34322-41-3
6-o-toluidino-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sodium disulfite
With sodium disulfite

Sodium 6-hydroxynaphthalene-2-sulfonate Chemical Properties

Product Name: 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2)

Molecular Formula: C₁₀H₇NaO₄S
Molecular Weight: 246.21g/mol
Mol File: 135-76-2.mol
EINECS: 205-218-1
Melting Point: >300 °C(lit.)
H-Bond Donor: 1
H-Bond Acceptor: 4
Structure Descriptors of 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2):
IUPAC Name: sodium 6-hydroxynaphthalene-2-sulfonate
Canonical SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)[O-])C=C1O.[Na+]
InChI: InChI=1S/C10H8O4S.Na/c11-9-3-1-8-6-10(15(12,13)14)4-2-7(8)5-9;/h1-6,11H,(H,12,13,14);/q;+1/p-1
InChIKey: ZPWQALCOMQRMRK-UHFFFAOYSA-M
Product Categories: Intermediates; Organic Building Blocks; Sulfonic/Sulfinic Acids; Sulfur Compounds

Sodium 6-hydroxynaphthalene-2-sulfonate Safety Profile

Safety Information of 2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) (CAS NO.135-76-2):
Hazard Codes: Xi Harmful ,Xn Harmful
Risk Statements: 36/37/38-20/21/22
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements: 26-36-36/37/39-22
22: Do not breathe dust
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
WGK Germany: 3

Sodium 6-hydroxynaphthalene-2-sulfonate Specification

2-Naphthalenesulfonicacid, 6-hydroxy-, sodium salt (1:1) , its CAS NO. is 135-76-2, the synonyms are 6-Hydroxy-2-naphthalenesulfonic acid, sodium salt ; Monosodium 6-hydroxynaphthalene-2-sulphonate ; 2-Naphthalenesulfonic acid, 6-hydroxy-, monosodium salt .

Product Name

Sodium 6-hydroxynaphthalene-2-sulfonate

Synthetic route

Sodium 6-hydroxynaphthalene-2-sulfonate Chemical Properties

Sodium 6-hydroxynaphthalene-2-sulfonate Safety Profile

Sodium 6-hydroxynaphthalene-2-sulfonate Specification

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