2-Amino-1,5-naphthalenedisulfonic acid supplier

Name
2-Amino-1,5-naphthalenedisulfonic acid
EINECS 204-201-6
CAS No. 117-62-4
Article Data11
CAS DataBase
Density 1.769 g/cm³
Solubility Soluble in water
Melting Point > 300oC
Formula C₁₀H₉NO₆S₂
Boiling Point 205.8°C (rough estimate)
Molecular Weight 303.317
Flash Point
Transport Information
Appearance Beige powder
Safety 26-28A
Risk Codes 36-34
Molecular Structure
Hazard Symbols Xi,C
Synonyms 2-Amino-1,5-naphthalene disulfonic acid;2-Naphthylamine-1,5-disulfonic acid;AI3-52456;BRN 2888645;Kyselina 2-naftylamin-1,5-disulfonova;Kyselina sulfo-tobiasova;NSC 60279;Tobias acid, 5-sulfo-;
PSA 151.52000
LogP 3.65820

Synthetic route

: 81-05-0
6-aminonaphthalene-1-sulfonic acid

A: 118-33-2
6-amino-naphthalene-1,3-disulfonic acid

B: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 20℃;
With sulfuric acid

: 81-16-3
2-aminonaphthalenesulfonic acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 30 - 40℃;
With sulfuric acid

: 7664-93-9
sulfuric acid

: 81-16-3
2-aminonaphthalenesulfonic acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 7664-93-9
sulfuric acid

: 81-05-0
6-aminonaphthalene-1-sulfonic acid

A: 118-33-2
6-amino-naphthalene-1,3-disulfonic acid

B: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

...Expand

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 7538-88-7
4-(4,6-dichloro-[1,3,5]triazin-2-ylamino)-5-hydroxy-naphthalene-2,7-disulfonic acid

: 57583-84-3
C23H14Cl2N6O13S4

Conditions

Conditions	Yield
With hydrogenchloride; sodium nitrite at 8 - 10℃; for 1h; pH=6 - 6.5;	65%

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 94386-30-8
1,2-Naphthochinon-2-diazid-5-sulfonsaeure

Conditions

Conditions	Yield
Behandlung mit Soda.Diazotization;
Behandlung mit Soda in Gegenwart von Oxydationsmitteln.Diazotization;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 575-44-0
1,6-dihydroxynaphthalene

Conditions

Conditions	Yield
at 240℃; bei der Kalischmelze unter Druck;
Multi-step reaction with 2 steps 1: durch Kalischmelze 2: 240 °C / bei der Kalischmelze unter Druck View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 494-44-0
7-aminonaphthalene-2-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid at 130℃;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 871887-69-3
2-amino-5-hydroxy-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
With potassium hydroxide
With potassium hydroxide at 210 - 230℃;
durch Kalischmelze;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 81-05-0
6-aminonaphthalene-1-sulfonic acid

Conditions

Conditions	Yield
With sulfuric acid
With sulfuric acid at 100 - 107℃;
With sulfuric acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 55524-84-0
2-Aminonaphthalene-1,5,7-trisulfonic acid

Conditions

Conditions	Yield
With sulfuric acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 858464-85-4
2,5-dihydroxy-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
With potassium hydroxide; water at 240℃;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 102878-17-1
2-chloro-naphthalene-1,5-disulfonic acid

Conditions

Conditions	Yield
durch Ersatz von NH2 durch Cl nach dem SANDMEYERschen Verfahren;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 744985-01-1
1,5-disulfo-naphthalene-2-diazonium-betaine

Conditions

Conditions	Yield
Diazotization.angewandt als saures Natriumsalz;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 93-00-5
Bronner acid

Conditions

Conditions	Yield
With sulfuric acid at 130℃;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 151618-94-9
1-naphthol-7-(2',4'-dichloro-s-triazin-6'-ylamino)-3-sulphonic acid

: 163404-56-6
1-naphthol-2-(1',5'-disulphonaphthyl-2-azo)-7-(2'',4''-dichloro-s-triazin-6''-ylamino)-3-sulphonic acid

Conditions

Conditions	Yield
With sodium carbonate 2.) 0-5 deg C, 3 h; Multistep reaction;

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

potassium hydroxide: potassium hydroxide

: 871887-69-3
2-amino-5-hydroxy-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
at 210 - 230℃;

: 7664-93-9
sulfuric acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 81-05-0
6-aminonaphthalene-1-sulfonic acid

: 7664-93-9
sulfuric acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

A: 81-05-0
6-aminonaphthalene-1-sulfonic acid

B: 91-59-8
naphthalen-2-ylamine

...Expand

: 7664-93-9
sulfuric acid

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

A: 494-44-0
7-aminonaphthalene-2-sulfonic acid

B: 81-05-0
6-aminonaphthalene-1-sulfonic acid

C: 93-00-5
Bronner acid

Conditions

Conditions	Yield
at 130℃;

...Expand

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 23894-12-4
6-aminonaphthalen-1-ol

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: durch Kalischmelze 2: diluted acid / 145 - 150 °C / unter Druck View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 86700-06-3
N-(5-hydroxynaphthalen-2-yl)acetamide

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: durch Kalischmelze 2: diluted acid / 145 - 150 °C / unter Druck 3: sodium acetate 4: natrium carbonate View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: N-(5-hydroxy-[2]naphthyl)-benzamide

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: durch Kalischmelze 2: diluted acid / 145 - 150 °C / unter Druck 3: NaOH-solution 4: alcoholic KOH-solution View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 6-benzoylamino-1-benzoyloxy-naphthalene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: durch Kalischmelze 2: diluted acid / 145 - 150 °C / unter Druck 3: NaOH-solution View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 2-acetylamino-5-hydroxy-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: durch Kalischmelze 2: sodium acetate / 30 - 40 °C View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 861333-75-7
5,5'-dihydroxy-2,2'-ureylene-bis-naphthalene-1-sulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: durch Kalischmelze 2: natrium carbonate View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 1-acetoxy-6-acetylamino-naphthalene

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: durch Kalischmelze 2: diluted acid / 145 - 150 °C / unter Druck 3: sodium acetate View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 6-amino-1-hydroxy-naphthalene-2-sulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: durch Kalischmelze 2: concentrated sulfuric acid / 40 °C 3: sulfuric acid View Scheme
Multi-step reaction with 3 steps 1: durch Kalischmelze 2: concentrated sulfuric acid / 20 °C 3: sulfuric acid View Scheme

: 117-62-4
2-amino-1,5-naphthalenedisulfonic acid

: 861353-37-9
7-amino-4-hydroxy-naphthalene-1,3-disulfonic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: durch Kalischmelze 2: concentrated sulfuric acid / 40 °C View Scheme

2-Amino-1,5-naphthalenedisulfonic acid Consensus Reports

Reported in EPA TSCA Inventory. EPA Genetic Toxicology Program.

2-Amino-1,5-naphthalenedisulfonic acid Specification

The 2-Amino-1,5-naphthalenedisulfonic acid with CAS registry number of 117-62-4 is also known as 2-Naphthylamine-1,5-disulfonic acid. The IUPAC name is 2-Aminonaphthalene-1,5-disulfonic acid. It belongs to product categories of Intermediates of Dyes and Pigments; Organic acids. Its EINECS registry number is 204-201-6. In addition, the formula is C₁₀H₉NO₆S₂ and the molecular weight is 303.31. This chemical is a beige powder. Besides, it is used as dye intermediate.

Physical properties about 2-Amino-1,5-naphthalenedisulfonic acid are: (1)ACD/LogP: -0.43; (2)ACD/LogD (pH 5.5): -4.93; (3)ACD/LogD (pH 7.4): -4.93; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 7; (9)#H bond donors: 4; (10)#Freely Rotating Bonds: 3; (11)Index of Refraction: 1.733; (12)Molar Refractivity: 68.62 cm³; (13)Molar Volume: 171.3 cm³; (14)Surface Tension: 90.1 dyne/cm; (15)Density: 1.769 g/cm³.

When you are using this chemical, please be cautious about it. As a chemical, it is irritating to eyes and can cause burns. If contact with eyes accidently, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: C1=CC2=C(C=CC(=C2S(=O)(=O)O)N)C(=C1)S(=O)(=O)O
2. InChI: InChI=1S/C10H9NO6S2/c11-8-5-4-6-7(10(8)19(15,16)17)2-1-3-9(6)18(12,13)14/h1-5H,11H2,(H,12,13,14)(H,15,16,17)
3. InChIKey: YAIKCRUPEVOINQ-UHFFFAOYSA-N

The toxicity data is as follows:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LD50	oral	5430mg/kg (5430mg/kg)		"Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1058, 1986.

Product Name

2-Amino-1,5-naphthalenedisulfonic acid

Synthetic route

2-Amino-1,5-naphthalenedisulfonic acid Consensus Reports

2-Amino-1,5-naphthalenedisulfonic acid Specification

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