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135-76-2

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  • China Biggest Factory Manufacturer Supply Sodium 6-hydroxynaphthalene-2-sulfonate CAS 135-76-2

    Cas No: 135-76-2

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135-76-2 Usage

Uses

Different sources of media describe the Uses of 135-76-2 differently. You can refer to the following data:
1. 6-Hydroxy-2-naphthalenesulfonic Acid Sodium Salt is a coupling component used to prepare heterocyclic monoazo dyes.
2. 6-Hydroxy-2-naphthalenesulfonic acid sodium salt hydrate may be used in the following studies:As precursors during the agar-plate screening test. Preparation of methoxy-substituted naphthalenesulfonyl chloride.Synthesis of FD&C Red No. 40, a synthetic water-soluble color that is permitted for coloring foods, drugs and cosmetics in the U.S.A.

General Description

Sodium salt of 6-hydroxy-2-naphthalenesulfonic acid is also referred as Schaeffer′s salt.

Check Digit Verification of cas no

The CAS Registry Mumber 135-76-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,3 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 135-76:
(5*1)+(4*3)+(3*5)+(2*7)+(1*6)=52
52 % 10 = 2
So 135-76-2 is a valid CAS Registry Number.
InChI:InChI=1/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

135-76-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name Sodium 6-hydroxynaphthalene-2-sulfonate

1.2 Other means of identification

Product number -
Other names 6-hydroxy-naphthalenesulfonic acid sodium salt

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:135-76-2 SDS

135-76-2Synthetic route

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

sodium 2-naphthol-6-sulfonate

dimethyl sulfate
77-78-1

dimethyl sulfate

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

sodium 6-methoxy-2-naphthalenesulfonate

Conditions
ConditionsYield
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;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

dimethyl amine
124-40-3

dimethyl amine

sodium 6-dimethylaminonaphthalene-2-sulfonate

sodium 6-dimethylaminonaphthalene-2-sulfonate

Conditions
ConditionsYield
With sodium metabisulfite In water at 140℃; for 48h; Bucherer Carbazole Synthesis; Sealed tube; Inert atmosphere;84%
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

methylamine
74-89-5

methylamine

6-methylamino-2-naphthalenesulfonic acid, sodium salt

6-methylamino-2-naphthalenesulfonic acid, sodium salt

Conditions
ConditionsYield
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;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

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

sodium 2-phenylsulfonyloxynaphthalene-6-sulfonate

Conditions
ConditionsYield
With sodium carbonate In water at 50℃; for 1.5h;73.2%
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

acetic anhydride
108-24-7

acetic anhydride

C12H9O5S(1-)*Na(1+)

C12H9O5S(1-)*Na(1+)

Conditions
ConditionsYield
With sulfuric acid at 110℃; for 7h;71.3%
2-(4-hydroxy-3-methoxystyryl)-1-methylquinolinium iodide

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

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

sodium 2-naphthol-6-sulfonate

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

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

Conditions
ConditionsYield
In methanol41%
C6(2)H7NO3S

C6(2)H7NO3S

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

sodium 2-naphthol-6-sulfonate

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

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

Conditions
ConditionsYield
With sodium nitrate; [D]-sodium hydroxide; hydrogen chloride; sodium carbonate In water-d2 at 5℃; for 1h;35%
sodium 2-naphthol-6-sulfonate
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
ConditionsYield
With sodium hydroxide In N,N-dimethyl-formamide at 65℃; for 80h;30%
C43H67BrO10
1161419-59-5

C43H67BrO10

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

sodium 2-naphthol-6-sulfonate

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

C53H73O14S(1-)*Na(1+)

Conditions
ConditionsYield
With sodium methylate In methanol at 60℃; Reflux;30%
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

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

3,5-Dichloro-pyridine-2-diazonium

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

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

Conditions
ConditionsYield
With carbon dioxide In methanol for 12h;25%
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

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

3,5-Dibromo-pyridine-2-diazonium

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

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

Conditions
ConditionsYield
With carbon dioxide In methanol for 12h;25%
methyl (Z)-2-benzoylamino-3-dimethylaminopropenoate
125008-68-6

methyl (Z)-2-benzoylamino-3-dimethylaminopropenoate

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

sodium 2-naphthol-6-sulfonate

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

sodium 2-benzoylamino-3H-naphtho<2.1-b>pyran-2-one-8-sulphonate

Conditions
ConditionsYield
With acetic acid Heating;8%
formaldehyd
50-00-0

formaldehyd

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

sodium 2-naphthol-6-sulfonate

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

6-hydroxy-5-sulfomethyl-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With water; sodium sulfite
mercury(II) diacetate
1600-27-7

mercury(II) diacetate

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

sodium 2-naphthol-6-sulfonate

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

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

Conditions
ConditionsYield
With water
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

p-phenylenediamine hydrochloride
540-24-9

p-phenylenediamine hydrochloride

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

6-(4-amino-anilino)-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

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

4-nitroso-N,N-dimethylaniline hydrochloride

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

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

Conditions
ConditionsYield
With acid
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

sodium sulfanilate
515-74-2

sodium sulfanilate

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

6-(4-sulfo-anilino)-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

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

5-amino-2-naphthol

Conditions
ConditionsYield
With naphthalene; sodium amide at 230 - 240℃;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

acetic anhydride
108-24-7

acetic anhydride

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

6-acetoxy-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium acetate
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

4-amino-phenol
123-30-8

4-amino-phenol

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

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

Conditions
ConditionsYield
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

p-toluidine
106-49-0

p-toluidine

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

6-p-toluidinonaphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

p-toluidine
106-49-0

p-toluidine

A

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

6-p-toluidinonaphthalene-2-sulfonic acid

B

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

N-(p-tolyl)naphthalen-2-amine

Conditions
ConditionsYield
With p-toluidine hydrochloride at 200℃;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

chloroacetic acid
79-11-8

chloroacetic acid

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

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

Conditions
ConditionsYield
With alkali
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

aniline
62-53-3

aniline

A

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

N-Phenyl-2-naphthylamine

B

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

2-anilinonaphthalene-6-sulfonic acid

Conditions
ConditionsYield
With aniline hydrochloride at 190 - 200℃;
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

aniline
62-53-3

aniline

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

2-anilinonaphthalene-6-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite
With sodium disulfite; 2,3-Dimethylaniline
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

4-Ethoxyaniline
156-43-4

4-Ethoxyaniline

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

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

Conditions
ConditionsYield
With sodium disulfite
sodium 2-naphthol-6-sulfonate
135-76-2

sodium 2-naphthol-6-sulfonate

o-toluidine
95-53-4

o-toluidine

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

6-o-toluidino-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium disulfite
With sodium disulfite

135-76-2Upstream product

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