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CAS No.: | 6285-57-0 |
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Name: | 2-Amino-6-nitrobenzothiazole |
Article Data: | 76 |
Molecular Structure: | |
Formula: | C7H5N3O2S |
Molecular Weight: | 195.202 |
Synonyms: | Benzothiazole,2-amino-6-nitro- (6CI,7CI,8CI);2-Amino-6-nitro-1,3-benzothiazole;6-Nitro-1,3-benzothiazol-2-ylamine;6-Nitro-2-aminobenzothiazole;6-Nitro-2-benzothiazolamine;6-Nitrobenzothiazol-2-amine;NSC 10794;NSC62341;NSC 62980;SKA 4; |
EINECS: | 228-513-7 |
Density: | 1.621 g/cm3 |
Melting Point: | 247-249 °C(lit.) |
Boiling Point: | 411.7 °C at 760 mmHg |
Flash Point: | 202.8 °C |
Appearance: | yellow crystalline powder |
Hazard Symbols: | Xn,Xi |
Risk Codes: | 20/21/22-36/37/38 |
Safety: | 26-36-36/37/39 |
Transport Information: | UN 2811 6.1/PG 3 |
PSA: | 112.97000 |
LogP: | 2.89110 |
Conditions | Yield |
---|---|
With sodium iodide dichloride at 70℃; for 2h; | 99% |
Stage #1: potassium thioacyanate; 4-nitro-aniline With nano-BF3/SiO2 In acetonitrile for 0.5h; Cooling with ice; Stage #2: With bromine In acetonitrile at 0 - 20℃; for 5h; | 90% |
With bromine In acetic acid for 3h; | 77% |
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid 1 h, (-)10 deg C; 2 h, RT;; | 97% |
With nitric acid at -5 - 0℃; for 1h; | 87% |
With sulfuric acid; nitric acid at 5 - 20℃; for 3h; | 80% |
With nitric acid | |
With sulfuric acid; nitric acid |
Conditions | Yield |
---|---|
With bromine; acetic acid at 0 - 20℃; | 68% |
With bromine; acetic acid for 1h; cooling; | 32% |
Stage #1: ammonium thiocyanate With bromine; acetic acid at 10℃; for 0.5h; Stage #2: 4-nitro-aniline With acetic acid at 10℃; for 19h; | 15% |
Conditions | Yield |
---|---|
With bromine In chloroform | 60% |
With chloroform; bromine | |
With lead(II) dihydrogen orthophosphate; H2; buffer solution In methanol for 1.5h; Heating; |
BrH*C7H5N3O2S
2-amino-6-nitrobenzothiazole
Conditions | Yield |
---|---|
With ammonium hydroxide In water Heating; | |
With ammonium hydroxide In water pH=11; | |
With ammonium hydroxide In water |
Conditions | Yield |
---|---|
With ammonium thiocyanate; bromine; acetic acid | |
With ammonium thiocyanate; formic acid | |
Multi-step reaction with 2 steps 1: bromine; acetic acid / water / 0 - 10 °C 2: hydrogenchloride / water / 2 h / Reflux View Scheme |
2-amino-6-nitrobenzothiazole
Conditions | Yield |
---|---|
With ammonia at 160℃; im Rohr; |
Conditions | Yield |
---|---|
With bromine; acetic acid | 73% |
With bromine; acetic acid | |
With formic acid |
Conditions | Yield |
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With hydrogenchloride; potassium hydroxide; ethanol; hydroxylamine | |
With potassium hydroxide; hydroxylamine hydrochloride In ethanol at 48 - 52℃; |
Conditions | Yield |
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With ammonium hydroxide at 150 - 160℃; unter Druck; | |
With ammonium hydroxide; ammonia at 140℃; unter Druck; | |
With ammonium hydroxide unter Druck; |
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1. | mic-sat 100 µLg/plate | ENMUDM Environmental Mutagenesis. 8 (Suppl 7)(1986),1. |