Products Categories
| CAS No.: | 90-20-0 |
|---|---|
| Name: | 1-Amino-8-hydroxynaphthalene-3,6-disulphonic acid |
| Molecular Structure: | |
|
|
|
| Formula: | C10H9NO7S2 |
| Molecular Weight: | 319.316 |
| Synonyms: | 1-Naphthol-3,6-disulfonicacid, 8-amino- (3CI);1-Amino-3,6-disulfo-8-naphthol;1-Hydroxy-8-amino-3,6-naphthalenedisulfonic acid;1-Naphthol-8-amino-3,6-disulfonicacid;3,6-Disulfo-8-hydroxy-1-naphthylamine;4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid; |
| EINECS: | 201-975-7 |
| Density: | 1.88 g/cm3 |
| Melting Point: | >300 °C(lit.) |
| Appearance: | White to gray-yellow powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-36 |
| PSA: | 171.75000 |
| LogP: | 3.36380 |
- 958254-66-51H-Imidazo[4,5-b]pyridine-2-carboxaldehyde, 1-methyl-, hydrochloride
- 99170-93-1N-Methyl-2-oxazolamine
- 914458-26-7[5-(2-fluorophenyl)-1-pentyl-1H-pyrrol-3-yl]-1-naphthalenyl-Methanone
- 90221-55-92-bromo-5-methylbenzaldehyde
- 97730-31-9(S)-4'-(2-Methylbutyl)Biphenyl-4-Carbonitrile
- 926293-55-26-Bromo-2-methylpyridine-3-carboxaldehyde
- 911112-05-55-Iodo-3-(trifluoromethyl)-2-pyridinamine
- 95789-13-21,3,7-trimethylpurine-2,6-dione
- 956104-42-02-Bromo-5-nitro-3-(trifluoromethyl)pyridine
- 910247-97-11,2,3-Trimethylimidazolium dimethyl phosphate
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid; water at 90℃; for 5h; | 65.86% |
- 117-42-0
8-amino-naphthalene-1,3,6-trisulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide; water at 180 - 190℃; im offenen Gefaess; | |
| With sodium hydroxide at 210℃; im geschlossenen Gefaess; | |
| durch Alkalischmelze; | |
| Stage #1: 8-amino-naphthalene-1,3,6-trisulfonic acid With sodium hydroxide under 6750.68 Torr; for 6h; Stage #2: With sulfuric acid In water for 2h; pH=2; |
- 6362-11-4
1,8-diamino-3,6-naphthalenedisulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| at 200 - 210℃; |
- 6362-11-4
1,8-diamino-3,6-naphthalenedisulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid at 110 - 120℃; | |
| With diluted alkali at 200 - 210℃; Kochen der erhaltenen Produkte nut verd. Schwefelsaeure oder Salzsaeure; |
- 7664-93-9
sulfuric acid
- 6362-23-8
1H-naphtho[1,8-de][1,2,3]triazine-5,8-disulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| at 170℃; |
- 7732-18-5
water
- 408511-00-2
1,1-dioxo-2H-1λ6-naphth[1,8-cd]isothiazole-4,7-disulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| at 180℃; beim Schmelzen; |
- 784103-83-9
4-amino-5-chloro-naphthalene-2,7-disulfonic acid
- 90-20-0
4-amino-5-hydroxy-2,7-naphthalenedisulfonic acid
| Conditions | Yield |
|---|---|
| beim Verschmelzen; |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: durch Nitrierung und Reduktion der entstandenen Dinitroverbindung 2: diluted alkali / 200 - 210 °C / Kochen der erhaltenen Produkte nut verd. Schwefelsaeure oder Salzsaeure View Scheme |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1.1: sulfuric acid / 100 - 165 °C 1.2: 10.75 h / 30 - 165 °C 2.1: nitric acid / 10 °C 3.1: iron / 60 °C 3.2: 80 - 90 °C 4.1: sodium hydroxide / 6 h / 6750.68 Torr 4.2: 2 h / pH 2 View Scheme |
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1.1: nitric acid / 10 °C 2.1: iron / 60 °C 2.2: 80 - 90 °C 3.1: sodium hydroxide / 6 h / 6750.68 Torr 3.2: 2 h / pH 2 View Scheme |
- 7699-43-6Zirconium, dichlorooxo-
- 26741-53-7Antioxidant 24
- 28300-74-5Antimonate(2-), bis[m-[2,3-di(hydroxy-kO)butanedioato(4-)-kO1:kO4]]di-, potassium, hydrate (1:2:3), stereoisomer
- 123-07-9Phenol,4-ethyl-
- 101-86-0Octanal,2-(phenylmethylene)-
- 5891-21-45-Chloro-2-pentanone
- 6973-09-7Benzenesulfonamide,5-amino-2-methyl-
- 4499-86-9Tetrapropylammonium hydroxide
- 104987-11-3Tacrolimus
- 141-53-7Sodium formate
- 8001-54-5Quaternary ammonium compounds, alkylbenzyldimethyl, chlorides
- 9003-39-8Povidone
- 10161-34-9Trenbolone acetate
- 402957-28-2Telaprevir
- 68-19-9Cyanocobalamin
What can I do for you?
Get Best Price
Consensus Reports
Reported in EPA TSCA Inventory.
Specification
The IUPAC name of this chemical is 4-Amino-5-hydroxy-2,7-naphthalene disulfonic acid. With the CAS registry number 90-20-0 and EINECS registry number 201-975-7, it is also named as 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-. In addition, the molecular formula is C10H9NO7S2 and the molecular weight is 319.31.
Physical properties about this chemical are: (1)ACD/LogP: -3.45; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -7.95; (4)ACD/LogD (pH 7.4): -7.98; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 8; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 115.97 Å2; (13)Index of Refraction: 1.764; (14)Molar Refractivity: 70.15 cm3; (15)Molar Volume: 169.8 cm3; (16)Polarizability: 27.81 ×10-24cm3; (17)Surface Tension: 104.7 dyne/cm; (18)Density: 1.88 g/cm3.
Uses of 4-Amino-5-hydroxy-2,7-naphthalene disulfonic acid: it can be used in organic synthesisas and used as intermediates of dyes and pigments. And it can react with 10-(4-bromomethyl-benzyl)-10H-phenothiazine to get 4-hydroxy-5-(4-phenothiazin-10-ylmethyl-benzylamino)-naphthalene-2,7-disulfonic acid. This reaction will need reagent AcONa and solvent H2O. The reaction time is 8 hours at reaction temperature of 5-250 °C. The yield is about 85%.
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1cc(N)c2c(c1)cc(cc2O)S(=O)(=O)O(2)InChI: InChI=1/C10H9NO7S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)
(3)InChIKey: APRRQJCCBSJQOQ-UHFFFAOYAZ