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API/Technology support High quality 5-Amino-2-Naphthalenesulfonicacid supplier in China
Cas No: 119-79-9
USD $ 1.0-2.0 / Kilogram 20 Kilogram 100000 Metric Ton/Day MIT-IVY INDUSTRY CO.,LTD. Contact Supplier
5-Amino-2-naphthalenesulfonic acid
Cas No: 119-79-9
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
High quality 5-Amino-2-Naphthalenesulfonicacid supplier in China
Cas No: 119-79-9
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5-ammonio-2-naphthalenesulfonate
Cas No: 119-79-9
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5-Amino-2-naphthalenesulfonic acid
Cas No: 119-79-9
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Manufacturer supply CAS 119-79-9 with best quality
Cas No: 119-79-9
USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier
BLOOM TECH Advanced API/Technology support 1-AMinonaphthalene-6-sulfonic acid CAS 119-79-9
Cas No: 119-79-9
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2-Naphthalenesulfonicacid, 5-amino- 119-79-9
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1-Aminonaphthalene-6-sulfonic acid
Cas No: 119-79-9
USD $ 1.0-1.0 / Kilogram 1 Kilogram 2000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
5-Amino-2-naphthalenesulfonic acid
Cas No: 119-79-9
No Data No Data Metric Ton/Day Hangzhou Dingyan Chem Co., Ltd Contact Supplier

119-79-9 Usage

Uses

Fluorescent reagent.

Chemical Properties

Purple Solid

Uses

Intermediate of dyestuff
InChI:InChI=1/C10H9NO3S/c11-10-3-1-2-7-6-8(15(12,13)14)4-5-9(7)10/h1-6H,11H2,(H,12,13,14)

119-79-9 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (285072)  5-Amino-2-naphthalenesulfonicacid  ≥95% 119-79-9 285072-100G 1,090.44CNY Detail
Aldrich (285072)  5-Amino-2-naphthalenesulfonicacid  ≥95% 119-79-9 285072-5G 311.22CNY Detail
Alfa Aesar (L03099)  5-Aminonaphthalene-2-sulfonic acid, 97%    119-79-9 25g 428.0CNY Detail
Alfa Aesar (L03099)  5-Aminonaphthalene-2-sulfonic acid, 97%    119-79-9 5g 216.0CNY Detail

119-79-9SDS

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 5-aminonaphthalene-2-sulfonic acid

1.2 Other means of identification

Product number -
Other names 1-Naphthylamine-6-sulfonic Acid

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:119-79-9 SDS

119-79-9Synthetic route

naphthalene-2-sulfonate
120-18-3

naphthalene-2-sulfonate

A

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

B

8-amino-2-naphthalenesulfonic acid
119-28-8

8-amino-2-naphthalenesulfonic acid

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 25℃; anschl. bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure;
With sulfuric acid; nitric acid at 25℃; dann bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure;
Stage #1: naphthalene-2-sulfonate With sulfuric acid at 120℃; for 0.666667h;
Stage #2: With nitric acid at 33 - 35℃; for 20h; Reagent/catalyst; Overall yield = 86 percent; Overall yield = 75 g; Further stages;
1-nitro-6-naphthalenesulfonic acid
86-69-1

1-nitro-6-naphthalenesulfonic acid

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

Conditions
ConditionsYield
With ammonium sulfide
With iron; acetic acid
1-amino-naphthalene
134-32-7

1-amino-naphthalene

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sulfuric acid at 125 - 130℃;
sulfuric acid
7664-93-9

sulfuric acid

1-amino-naphthalene
134-32-7

1-amino-naphthalene

A

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

B

1-aminonaphthalene-5-sulfonic acid
84-89-9

1-aminonaphthalene-5-sulfonic acid

Conditions
ConditionsYield
at 125 - 130℃; bei laengerem Erhitzen;
sulfuric acid
7664-93-9

sulfuric acid

1-amino-naphthalene
134-32-7

1-amino-naphthalene

A

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

B

1-aminonaphthalene-5-sulfonic acid
84-89-9

1-aminonaphthalene-5-sulfonic acid

C

4-aminonaphthalene-1,6-disulfonic acid
85-75-6

4-aminonaphthalene-1,6-disulfonic acid

Conditions
ConditionsYield
at 125 - 130℃; bei laengerem Erhitzen;
4-amino-1-naphthalenesufonic acid
84-86-6

4-amino-1-naphthalenesufonic acid

sulfuric acid
7664-93-9

sulfuric acid

A

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

B

1-aminonaphthalene-5-sulfonic acid
84-89-9

1-aminonaphthalene-5-sulfonic acid

C

4-aminonaphthalene-1,6-disulfonic acid
85-75-6

4-aminonaphthalene-1,6-disulfonic acid

Conditions
ConditionsYield
at 125 - 130℃;
1-nitro-6-naphthalenesulfonic acid
86-69-1

1-nitro-6-naphthalenesulfonic acid

ammonium sulfide

ammonium sulfide

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

m-nitrobenzoic acid chloride
121-90-4

m-nitrobenzoic acid chloride

5-(3-nitrobenzamido)naphthalene-2-sulfonic acid

5-(3-nitrobenzamido)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate In water; toluene pH=5;96%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

poly(5-aminonaphthalene-2-sulphonic acid)

poly(5-aminonaphthalene-2-sulphonic acid)

Conditions
ConditionsYield
With sodium hydroxide; sodium periodate; aniline hydrochloride In water oxidative polymerization;95%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

5-(tert-butoxycarbonylamino)naphthalene-2-sulfonic acid
1415094-45-9

5-(tert-butoxycarbonylamino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With triethylamine In methanol at 20℃; Inert atmosphere;94%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

benzoyl chloride
98-88-4

benzoyl chloride

5-benzamidonaphthalene-2-sulfonic acid

5-benzamidonaphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate In water; toluene pH=5;94%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

acetylacetone
123-54-6

acetylacetone

4-hydroxy-3-(6'-sulfonyl-1'-azonaphthyl)-3-penten-2-one

4-hydroxy-3-(6'-sulfonyl-1'-azonaphthyl)-3-penten-2-one

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite In water for 0.5h;
Stage #2: acetylacetone With sodium carbonate In water for 0.5h; pH=7; Further stages.;
93%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-amino-N,N-dimethylaniline
99-98-9

4-amino-N,N-dimethylaniline

acide 5[(2'-acide sulfonique-5'-aminonaphthalenyl)imino]-8-(N,N-dimethyl-p-aminophenyl)iminonaphthalene-2-sulfonique

acide 5[(2'-acide sulfonique-5'-aminonaphthalenyl)imino]-8-(N,N-dimethyl-p-aminophenyl)iminonaphthalene-2-sulfonique

Conditions
ConditionsYield
With ammonium peroxydisulfate; acetic acid; triethylamine In methanol; water at 0℃; for 3h; Condensation;90%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-hydroxy-1-(4-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
776325-74-7

4-hydroxy-1-(4-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h;
Stage #2: 4-hydroxy-1-(4-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate for 3.5h;
86%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-hydroxy-1-(2',5'-dichloro-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
776325-76-9

4-hydroxy-1-(2',5'-dichloro-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(2',5'-dichloro-4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(2',5'-dichloro-4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h;
Stage #2: 4-hydroxy-1-(2',5'-dichloro-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate
86%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-hydroxy-1-(6'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
776325-78-1

4-hydroxy-1-(6'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(6'-sulphonaphthyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(6'-sulphonaphthyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h;
Stage #2: 4-hydroxy-1-(6'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate
86%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-hydroxy-1-(8'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
776325-77-0

4-hydroxy-1-(8'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(8'-sulphonaphthyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(8'-sulphonaphthyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h;
Stage #2: 4-hydroxy-1-(8'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate
85%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-hydroxy-1-(2'-carboxy-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
776325-75-8

4-hydroxy-1-(2'-carboxy-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(2'-carboxy-4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

5-(6'-sulphonaphthyl)azo-1-(2'-carboxy-4'-sulphophenyl)-4-hydroxy-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h;
Stage #2: 4-hydroxy-1-(2'-carboxy-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate
85%
pyridine
110-86-1

pyridine

1,8-Naphthalic anhydride
81-84-5

1,8-Naphthalic anhydride

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C22H13NO5S*C5H5N

C22H13NO5S*C5H5N

Conditions
ConditionsYield
for 8h; Reflux;81%
di(succinimido) carbonate
74124-79-1

di(succinimido) carbonate

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

5-amino-2-naphthalenesulfonic acid-N-hydroxysuccinimidyl carbamate
1178554-82-9

5-amino-2-naphthalenesulfonic acid-N-hydroxysuccinimidyl carbamate

Conditions
ConditionsYield
In acetonitrile Reflux;80%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-nitro-benzoyl chloride
122-04-3

4-nitro-benzoyl chloride

C17H11N2O6S(1-)*Na(1+)

C17H11N2O6S(1-)*Na(1+)

Conditions
ConditionsYield
With sodium carbonate In water; toluene at 20℃; for 12h; pH=4;80%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-amino-N,N-dimethylaniline
99-98-9

4-amino-N,N-dimethylaniline

acide 7-[(N,N-dimethyl-p-aminophenyl)amino]-8-[(N,N-dimethyl-p-aminophenyl)imino]-5-iminonaphthalene-2-sulfonique

acide 7-[(N,N-dimethyl-p-aminophenyl)amino]-8-[(N,N-dimethyl-p-aminophenyl)imino]-5-iminonaphthalene-2-sulfonique

Conditions
ConditionsYield
With ammonium peroxydisulfate In dimethyl sulfoxide at 20℃; for 5h; oxidative condensation;75%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-methyl-benzoyl chloride
874-60-2

4-methyl-benzoyl chloride

5-(4-methylbenzamido)naphthalene-2-sulfonic acid

5-(4-methylbenzamido)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate In water; toluene pH=5;74%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-bromo-3-oxo-N-(2'-oxobenzimidazol-5'-yl)butyramide
776325-68-9

4-bromo-3-oxo-N-(2'-oxobenzimidazol-5'-yl)butyramide

5-{N'-[3-bromo-2-oxo-1-(2-oxo-2,3-dihydro-1H-benzoimidazol-5-ylcarbamoyl)-propylidene]-hydrazino}-naphthalene-2-sulfonic acid

5-{N'-[3-bromo-2-oxo-1-(2-oxo-2,3-dihydro-1H-benzoimidazol-5-ylcarbamoyl)-propylidene]-hydrazino}-naphthalene-2-sulfonic acid

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling;
Stage #2: 4-bromo-3-oxo-N-(2'-oxobenzimidazol-5'-yl)butyramide With sodium hydroxide at 0 - 3℃;
73%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

benzene-1,3-dicarbonyl dichloride
99-63-8

benzene-1,3-dicarbonyl dichloride

disodium 5,5'-[1,3-phenylenebis(carbonylimino)]bis-2-naphthalenesulfonate

disodium 5,5'-[1,3-phenylenebis(carbonylimino)]bis-2-naphthalenesulfonate

Conditions
ConditionsYield
With sodium carbonate In chloroform; water at 25℃; for 16h;72%
C25H20N4O4S

C25H20N4O4S

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C35H26N6O7S2

C35H26N6O7S2

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C25H20N4O4S With sodium hydroxide at 0 - 3℃; Further stages.;
71%
C24H18N4O3S

C24H18N4O3S

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C34H24N6O6S2

C34H24N6O6S2

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C24H18N4O3S With sodium hydroxide at 0 - 3℃; Further stages.;
70%
C24H17N5O5S

C24H17N5O5S

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C34H23N7O8S2

C34H23N7O8S2

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C24H17N5O5S With sodium hydroxide at 0 - 3℃; Further stages.;
70%
2-(4'-oxo-2'-phenyl-1',3'-thiazol-3'-yl)-3-[α-(p-carbethoxyphenylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide

2-(4'-oxo-2'-phenyl-1',3'-thiazol-3'-yl)-3-[α-(p-carbethoxyphenylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C42H33N7O9S3

C42H33N7O9S3

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling;
Stage #2: 2-(4'-oxo-2'-phenyl-1',3'-thiazol-3'-yl)-3-[α-(p-carbethoxyphenylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide With sodium hydroxide at 0 - 3℃; for 0.166667h;
69%
C24H19N5O3S

C24H19N5O3S

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C34H25N7O6S2

C34H25N7O6S2

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C24H19N5O3S With sodium hydroxide at 0 - 3℃; Further stages.;
69%
2-(4'-oxo-3'-phenyl-1',3'-thiazol-2'-ylimino)-3-[α-(p-tolylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide

2-(4'-oxo-3'-phenyl-1',3'-thiazol-2'-ylimino)-3-[α-(p-tolylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C40H30N8O7S3

C40H30N8O7S3

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling;
Stage #2: 2-(4'-oxo-3'-phenyl-1',3'-thiazol-2'-ylimino)-3-[α-(p-tolylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide With sodium hydroxide at 0 - 3℃; for 0.166667h;
61%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

N,N’-(dimethylethylenediaminothiosemicarbazanato)-4-(methylthiosemicarbazanato)butane-2,3-diimine
1218759-53-5

N,N’-(dimethylethylenediaminothiosemicarbazanato)-4-(methylthiosemicarbazanato)butane-2,3-diimine

C2H7N*C17H20N6O3S3
1229570-75-5

C2H7N*C17H20N6O3S3

Conditions
ConditionsYield
In acetonitrile Reflux; Inert atmosphere;61%
C30H22N6O6S2

C30H22N6O6S2

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C50H34N10O12S4

C50H34N10O12S4

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C30H22N6O6S2 With sodium hydroxide at 0 - 3℃; Further stages.;
60%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

5-bromonaphthalene-2-sulfonic acid

5-bromonaphthalene-2-sulfonic acid

Conditions
ConditionsYield
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide57%
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide57%
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide57%
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide57%
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogen bromide; sodium hydroxide; sodium nitrite In water at -5 - 2℃; for 0.833333h;
Stage #2: With hydrogen bromide; copper(I) bromide In water at 80℃; for 0.5h;
6.16 g
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

sodium 1,2-naphthoquinone-4-sulfonate

sodium 1,2-naphthoquinone-4-sulfonate

5-((3,4-dioxo-3,4-dihydronaphthalen-1-yl)amino)naphthalene-2-sulfonic acid
724743-88-8

5-((3,4-dioxo-3,4-dihydronaphthalen-1-yl)amino)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With potassium carbonate In water56.6%
C28H20N6O5S2

C28H20N6O5S2

5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

C48H32N10O11S4

C48H32N10O11S4

Conditions
ConditionsYield
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite
Stage #2: C28H20N6O5S2 With sodium hydroxide at 0 - 3℃; Further stages.;
53%
5-aminonaphthalene-2-sulfonic acid
119-79-9

5-aminonaphthalene-2-sulfonic acid

4-methyl-3-nitrobenzoyl chloride
10397-30-5

4-methyl-3-nitrobenzoyl chloride

5-(4-methyl-3-nitrobenzamido)naphthalene-2-sulfonic acid

5-(4-methyl-3-nitrobenzamido)naphthalene-2-sulfonic acid

Conditions
ConditionsYield
With sodium carbonate In water; toluene pH=5;47%

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