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CAS No.: | 88-23-3 |
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Name: | 2-Amino-4-chlorophenol-6-sulfonic acid |
Article Data: | 5 |
Molecular Structure: | |
Formula: | C6H6ClNO4S |
Molecular Weight: | 223.637 |
Synonyms: | 1-Phenol-2-sulfonicacid, 6-amino-4-chloro- (5CI);Metanilic acid, 5-chloro-2-hydroxy- (7CI,8CI);1-Amino-5-chloro-2-hydroxy-3-benzenesulfonic acid;2-Amino-4-chloro-6-sulfophenol;2-Hydroxy-3-amino-5-chlorobenzenesulfonic acid;3-Amino-5-chloro-2-hydroxybenzenesulfonic acid;4-Chloro-2-aminophenol-6-sulfonic acid;5-Chloro-2-hydroxymetanilic acid;6-Amino-4-chloro-1-phenol-2-sulfonic acid;6-Amino-4-chlorophenol-2-sulfonicacid;Benzenesulfonicacid, 3-amino-5-chloro-2-hydroxy-; |
EINECS: | 201-813-5 |
Density: | 1.79 g/cm3 |
Melting Point: | 44-45°C(lit.) |
Boiling Point: | 150°C4mm Hg(lit.) |
Flash Point: | >230°F |
Appearance: | Off-white solid |
Hazard Symbols: | C |
Risk Codes: | 34 |
Safety: | 22-24/25-26 |
PSA: | 109.00000 |
LogP: | 2.53650 |
Conditions | Yield |
---|---|
With sulfuric acid | |
With sulfuric acid |
N-(5-chloro-2-hydroxyphenyl)acetamide
2-amino-4-chlorophenol-6-sulfonic acid
Conditions | Yield |
---|---|
durch Sulfurieren und Verseifen des Reaktionsproduktes; | |
durch Sulfurien und Verseifen des Reaktionsproduktes; |
2-amino-4-chlorophenol-6-sulfonic acid
acetylacetone
3-(5-chloro-2-hydroxy-3-sulfophenylhydrazo)pentane-2,4-dione
Conditions | Yield |
---|---|
Stage #1: 2-amino-4-chlorophenol-6-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 0 - 5℃; Stage #2: acetylacetone With sodium hydroxide In water Cooling with ice; | 77% |
Conditions | Yield |
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Stage #1: 2-amino-4-chlorophenol-6-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 0 - 5℃; Japp-Klingemann reaction; Stage #2: 1-phenylbutan-1,3-dione With sodium acetate In ethanol; water Japp-Klingemann reaction; Cooling with ice; | 77% |
2-amino-4-chlorophenol-6-sulfonic acid
dimedone
5-chloro-3-(2-(4,4-dimethyl-2,6-dioxocyclohexylidene)hydrazinyl)-2-hydroxy-benzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 2-amino-4-chlorophenol-6-sulfonic acid With sodium hydroxide; sodium nitrite In water at -0.16℃; Stage #2: With hydrogenchloride In water at 4.84℃; for 1h; Stage #3: dimedone With sodium hydroxide In ethanol; water at -0.16℃; Japp-Klingemann Hydrazone Synthesis; | 75% |
2-(3,4-dimethylphenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one
2-amino-4-chlorophenol-6-sulfonic acid
Conditions | Yield |
---|---|
34% |
Conditions | Yield |
---|---|
With sodium hydroxide at 5 - 10℃; |
2-methyl-5-nitrobenzene-1-sulfonyl chloride
2-amino-4-chlorophenol-6-sulfonic acid
3-(4-amino-toluene-2-sulfonylamino)-5-chloro-2-hydroxy-benzenesulfonic acid
Conditions | Yield |
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nachfolgend Reduktion; |
2-amino-4-chlorophenol-6-sulfonic acid
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IUPAC Name: 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid
Molecular Formula: C6H6ClNO4S
Molecular Weight: 223.63 g/mol
Canonical SMILES: c1(c(c(cc(c1)Cl)N)O)S(O)(=O)=O
InChI: InChI=1/C6H6ClNO4S/c7-3-1-4(8)6(9)5(2-3)13(10,11)12/h1-2,9H,8H2,(H,10,11,12)
EINECS: 201-813-5
Product Categories: Intermediates of Dyes and Pigments
Solubility: Insoluble in water
XLogP3-AA: 0.8
H-Bond Donor: 3
H-Bond Acceptor: 5
Index of Refraction: 1.677
Molar Refractivity: 47.07 cm3
Molar Volume: 124.8 cm3
Polarizability: 18.66×10-24 cm3
Surface Tension: 86.2 dyne/cm
Density of 2-Amino-4-chlorophenol-6-sulfonic acid (CAS NO.88-23-3): 1.79 g/cm3
Safety Statements of 2-Amino-4-chlorophenol-6-sulfonic acid (CAS NO.88-23-3): 22-24/25-26
S22: Do not breathe dust.
S24/25: Avoid contact with skin and eyes.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
2-Amino-4-chlorophenol-6-sulfonic acid (CAS NO.88-23-3), its Synonyms are 2-Hydroxy-5-chlorometanilic acid ; 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid ; 6-Amino-4-chlorophenol-2-sulfonic acid ; 3-Amino-5-chloro-2-hydroxybenzenesulphonic acid ; 6-Amino-4-chloro-1-phenol-2-sulfonic acid ; Benzenesulfonic acid, 3-amino-5-chloro-2-hydroxy- ; Metanilic acid, 5-chloro-2-hydroxy- (8CI) . It is off-white solid. It may be sensitive to prolonged exposure to air and/or light.