naphthalene-2-sulfonate
A
5-aminonaphthalene-2-sulfonic acid
B
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
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-7-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With ammonium sulfide | |
With iron; acetic acid |
8-hydroxy-naphthalene-2-sulfonic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
Reaktion des Natriumsalzes; Erhitzen des Reaktionsprodukts mit Ammoniak unter Druck auf 100-110grad, dann beim Ansaeuern; |
1-amino-naphthalene-2,7-disulfonic acid
water
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
unter Druck; |
1-nitro-7-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
8-amino-2-naphthalenesulfonic acid
8-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 8-amino-2-naphthalenesulfonic acid With water; sodium hydrogensulfite for 15h; Reflux; Inert atmosphere; Stage #2: With sodium hydroxide In water for 4h; Reflux; Stage #3: With hydrogenchloride In water | 95% |
With sodium disulfite man kocht und macht alkalisch; | |
With sodium hydroxide at 260℃; |
8-amino-2-naphthalenesulfonic acid
3,4-dichlorobenzoyl chloride
8-(3,4-dichlorobenzamido)naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With pyridine at 20℃; for 12h; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
Stage #1: 4-nitro-aniline With hydrogenchloride; sodium nitrite In water at 0℃; for 0.333333h; Stage #2: 8-amino-2-naphthalenesulfonic acid In methanol; water at 20℃; for 0.5h; | 90% |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite at 55℃; for 0.5h; pH=2; | 87% |
With ethanol; nitrate radical |
8-amino-2-naphthalenesulfonic acid
8-chloro-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 8-amino-2-naphthalenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 1h; Inert atmosphere; Stage #2: With hydrogenchloride; copper(l) chloride In water at 0 - 20℃; for 13h; Inert atmosphere; | 65% |
durch Austausch von NH2 gegen Chlor; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 140 - 150℃; for 24h; | 43% |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium persulfate In water at 20℃; for 16h; oxidative polymerization; | 31% |
Conditions | Yield |
---|---|
With sodium carbonate In chloroform; water at 25℃; for 18h; | 28% |
benzenediazonium
8-amino-2-naphthalenesulfonic acid
8-amino-5-phenylazo-naphthalene-2-sulfonic acid
8-amino-2-naphthalenesulfonic acid
benzene diazonium chloride
5,8-diamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium acetate Reduzieren mit Zinn(II)-chlorid und Salzsaeure; |
8-amino-2-naphthalenesulfonic acid
3-carboxylato-4-hydroxybenzenediazonium
Conditions | Yield |
---|---|
diazotiert wieder und kuppelt mit 3-Oxy-naphthoesaeure-(2)-anilid in sodaalkalischer Loesung; |
8-amino-2-naphthalenesulfonic acid
A
1,7-Dihydroxynaphthalene
B
8-amino-2-naphthol
C
8-hydroxy-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
at 260℃; unter Druck; |
8-amino-2-naphthalenesulfonic acid
benzo[h]quinolin-9-ol
Conditions | Yield |
---|---|
ueber Benzo<h>chinolin-9-sulfonsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide; water at 250 - 260℃; | |
With sodium hydroxide; water | |
With sodium hydroxide at 280 - 320℃; for 10h; Autoclave; |
8-amino-2-naphthalenesulfonic acid
8-hydroxy-5,7-dinitro-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite Diazotization.und Behandeln des Reaktionsprodukts mit Salpetersaeure; |
8-amino-2-naphthalenesulfonic acid
1-aminonaphthalene-2,4,7-trisulphonic acid
Conditions | Yield |
---|---|
With sulfuric acid |
8-amino-2-naphthalenesulfonic acid
7-sulfo-[1]naphthoic acid
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; bromine |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid |
8-amino-2-naphthalenesulfonic acid
8-ethanesulfonyl-naphthalene-2-sulfonic acid amide
Conditions | Yield |
---|---|
ueber 8-Aethylmercapto-naphthalin-2-sulfonsaeure-amid; | |
Multi-step reaction with 4 steps 1.1: potassium hydroxide; sulfuric acid; potassium nitrite / water / 0.75 h / 0 - 20 °C / Inert atmosphere 1.2: 3.08 h / 20 °C / Heating; Inert atmosphere 2.1: trichlorophosphate / 2 h / Reflux; Inert atmosphere 2.2: 20 °C / Cooling with ice; Inert atmosphere 3.1: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 24 h / 50 - 125 °C / Inert atmosphere 4.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 20 °C / Inert atmosphere View Scheme |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite |
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With ethanol; nitrate radical | |
With sulfuric acid; sodium nitrite at 0℃; Kinetik der Bildung; |
8-amino-2-naphthalenesulfonic acid
acetic anhydride
8-acetylamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With pyridine |
8-amino-2-naphthalenesulfonic acid
p-toluidine
8-p-toluidino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With p-toluidine hydrochloride at 160 - 170℃; |
2-diazo-1-(4-nitrophenyl)ethanone
8-amino-2-naphthalenesulfonic acid
benzoyl chloride
8-benzoylamino-naphthalene-2-sulfonic acid-(4-nitro-phenacyl ester)
Conditions | Yield |
---|---|
With copper dichloride |
8-amino-2-naphthalenesulfonic acid
acetic acid
8-acetylamino-naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium acetate |
8-amino-2-naphthalenesulfonic acid
aniline hydrochloride
aniline
8-anilino-1-naphthalenesulfonic acid
Conditions | Yield |
---|---|
at 160 - 170℃; |
8-amino-2-naphthalenesulfonic acid
aniline
8-anilino-1-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With aniline hydrochloride at 160 - 170℃; |
The 1-Naphthylamine-7-sulfonic acid, with the CAS registry number 119-28-8 and EINECS registry number 204-311-4, has the systematic name and IUPAC name of 8-aminonaphthalene-2-sulfonic acid. It belongs to the following product categories: Intermediates of Dyes and Pigments; Intermediates. And the molecular formula of this chemical is C10H9NO3S.
The physical properties of 1-Naphthylamine-7-sulfonic acid are as following: (1)ACD/LogP: 0.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.04; (4)ACD/LogD (pH 7.4): -3.08; (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: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 54.99 Å2; (13)Index of Refraction: 1.713; (14)Molar Refractivity: 58.27 cm3; (15)Molar Volume: 148.6 cm3; (16)Polarizability: 23.1×10-24cm3; (17)Surface Tension: 72.1 dyne/cm; (18)Density: 1.502 g/cm3.
Preparation and uses of 1-Naphthylamine-7-sulfonic acid: It can be prepared by naphthalin via sulfonation, nitration, neutralization, reduction and acid out. What's more, it is an intermediates of dyes and pigments, and it is also used in determination of nitrite formation from nitrate by bacteria.
You should be cautious while dealing with this chemical. It may cause burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(O)c1cc2c(cc1)cccc2N
(2)InChI: InChI=1/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)
(3)InChIKey: QEZZCWMQXHXAFG-UHFFFAOYAH
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