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| Name |
2-Aminobenzenearsonic acid |
EINECS | 218-064-5 |
| CAS No. | 2045-00-3 | Density | g/cm3 |
| PSA | 83.55000 | LogP | -0.58900 |
| Solubility | N/A | Melting Point |
145-150 ºC |
| Formula | C6H8 As N O3 | Boiling Point | 519.3 °C at 760 mmHg |
| Molecular Weight | 217.056 | Flash Point | 267.8 °C |
| Transport Information | N/A | Appearance | Gray-beige crystalline powder. |
| Safety | S20/21;S28A;S45;S60;S61 | Risk Codes | R23/25;R50/53 |
| Molecular Structure |
|
Hazard Symbols |
 
|
| Synonyms |
Arsonicacid, (2-aminophenyl)- (9CI);o-Arsanilic acid (7CI,8CI);(2-Aminophenyl)arsonic acid;(o-Aminophenyl)arsonic acid;2-Aminobenzenearsonicacid;2-Arsanilic acid;NSC 12611;o-Aminobenzenearsonic acid; |
2-Aminobenzenearsonic acid Synthetic route
| Conditions | Yield |
|---|---|
| With platinum Electrolysis; |
| Conditions | Yield |
|---|---|
| Reduktion an einer Platinkathode.Electrolysis; |
| Conditions | Yield |
|---|---|
| With iron(II) chloride in kalter alkalischer Loesung; | |
| With water; iron; iron(II) chloride at 60 - 70℃; | |
| With methanol; sodium amalgam at 55 - 60℃; |
- 861527-92-6
N,N'-bis-(2-arsono-phenyl)-oxalamide
- 2045-00-3
o-arsanilic acid
| Conditions | Yield |
|---|---|
| With sulfuric acid |
- 2045-00-3
o-arsanilic acid
| Conditions | Yield |
|---|---|
| With ethanol; nickel at 50 - 90℃; under 69137.7 Torr; Hydrogenation; |
- 33781-24-7
o-chlorophenylarsonic acid
A
- 2045-00-3
o-arsanilic acid
| Conditions | Yield |
|---|---|
| With pentan-1-ol; copper diacetate; potassium carbonate at 135℃; |
- 25910-37-6
2-Nitrophenyldiazonium
- 2045-00-3
o-arsanilic acid
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: alkali; sodium arsenite 2: NaOH-solution; ferrosulfate View Scheme | |
| Multi-step reaction with 2 steps 1: sodium arsenite 2: iron; iron (II)-chloride; water / 60 - 70 °C View Scheme | |
| Multi-step reaction with 2 steps 1: sodium arsenite 2: sodium amalgam (4 percent ); methanol / 55 - 60 °C View Scheme | |
| Multi-step reaction with 2 steps 1: sodium arsenite 2: iron (II)-chloride / in kalter alkalischer Loesung View Scheme |
| Conditions | Yield |
|---|---|
| In ethanol at 4℃; for 2h; | 90% |
2-Aminobenzenearsonic acid Chemical Properties
IUPAC Name: (2-Aminophenyl)arsonic acid
Following is the structure of Arsonic acid,As-(2-aminophenyl)- (CAS NO.2045-00-3):
Empirical Formula: C6H8AsNO3
Molecular Weight: 217.0542
Flash Point: 267.8 °C
EINECS: 218-064-5
Melting point: 154-155 °C(lit.)
Solubility in water: Very soluble
Enthalpy of Vaporization: 83.38 kJ/mol
Boiling Point: 519.3 °C at 760 mmHg
Vapour Pressure: 1.31E-11 mmHg at 25 °C
Appearance of Arsonic acid,As-(2-aminophenyl)- (CAS NO.2045-00-3): grey-green to brown powder
Product Categories: As (Arsenic) Compounds; Semimetal Compounds; Classes of Metal Compounds
Canonical SMILES: C1=CC=C(C(=C1)N)[As](=O)(O)O
InChI: InChI=1S/C6H8AsNO3/c8-6-4-2-1-3-5(6)7(9,10)11/h1-4H,8H2,(H2,9,10,11)
InChIKey: LQCOCUQCZYAYQK-UHFFFAOYSA-N
2-Aminobenzenearsonic acid Safety Profile
Hazard Codes: 
T,
N
Risk Statements: 23/25-50/53
R23/25:Toxic by inhalation and if swallowed.
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: 20/21-28-45-60-61
S20:When using, do not eat or drink.
S21:When using do not smoke.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: 2811
WGK Germany: 3
HazardClass: 6.1
PackingGroup: III
2-Aminobenzenearsonic acid Specification
Arsonic acid,As-(2-aminophenyl)- , its cas register number 2045-00-3. It also can be called o-Arsanilic acid ; and 2-Aminobenzenearsonic acid .
Arsonic acid,As-(2-aminophenyl)- (CAS NO.2045-00-3) is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water, and get medical aid immediately.
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