2-Aminobenzenearsonic acid supplier

Name
2-Aminobenzenearsonic acid
EINECS 218-064-5
CAS No. 2045-00-3
Density g/cm³
Solubility
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
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;
PSA 83.55000
LogP -0.58900

Synthetic route

: 5410-29-7
2-nitrophenylarsonic acid

: 127-09-3
sodium acetate

: 2045-00-3
o-arsanilic acid

Conditions

Conditions	Yield
With platinum Electrolysis;

: 5410-29-7
2-nitrophenylarsonic acid

: 127-09-3
sodium acetate

A: 2045-00-3
o-arsanilic acid

B: (2,2'-hydrazo-diphenyl)-bis-arsonic acid

Conditions

Conditions	Yield
Reduktion an einer Platinkathode.Electrolysis;

...Expand

: 5410-29-7
2-nitrophenylarsonic acid

: 2045-00-3
o-arsanilic acid

Conditions

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

Conditions	Yield
With sulfuric acid

: 5410-29-7
2-nitrophenylarsonic acid

iron (II)-chloride: iron (II)-chloride

: 2045-00-3
o-arsanilic acid

sodium-salt of/the/ 2-nitro-phenylarsonic acid: sodium-salt of/the/ 2-nitro-phenylarsonic acid

: 2045-00-3
o-arsanilic acid

Conditions

Conditions	Yield
With ethanol; nickel at 50 - 90℃; under 69137.7 Torr; Hydrogenation;

: 33781-24-7
o-chlorophenylarsonic acid

ammonium carbonate: ammonium carbonate

A: 2045-00-3
o-arsanilic acid

B: (2,2'-imino-diphenyl)-bis-arsonic acid

Conditions

Conditions	Yield
With pentan-1-ol; copper diacetate; potassium carbonate at 135℃;

...Expand

: 7664-93-9
sulfuric acid

: 861527-92-6
N,N'-bis-(2-arsono-phenyl)-oxalamide

: 2045-00-3
o-arsanilic acid

: 25910-37-6
2-Nitrophenyldiazonium

: 2045-00-3
o-arsanilic acid

Conditions

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

: 2045-00-3
o-arsanilic acid

: 920-46-7
Methacryloyl chloride

: o-methacryloylaminophenylarsonic acid

Conditions

Conditions	Yield
In ethanol at 4℃; for 2h;	90%

: 49844-90-8
4-Chloro-2-methylthiopyrimidine

: 2045-00-3
o-arsanilic acid

: 2-methylthio-4-(2'-aminophenylarsonic acid)aminopyrimidine

Conditions

Conditions	Yield
With hydrogenchloride In isopropyl alcohol Heating;	86%
With hydrogenchloride In isopropyl alcohol Heating;	86.4%
for 24h; Heating;

: 2045-00-3
o-arsanilic acid

: 13790-39-1
6,7-dimethoxy-4-chloroquinazoline

: 4-(2'-phenylarsonic acid)amino-6,7-dimethoxyquinazoline

Conditions

Conditions	Yield
With hydrogenchloride In isopropyl alcohol Heating;	83.2%
for 24h; Heating;
With hydrogenchloride In isopropyl alcohol Heating;

: 2045-00-3
o-arsanilic acid

: 87-42-3
6-chloropurine

: 6-(2'-phenylarsonic acid)aminopurine

Conditions

Conditions	Yield
With hydrogenchloride In isopropyl alcohol Heating;	73.4%
for 24h; Heating;
With hydrogenchloride In isopropyl alcohol Heating;

: 2045-00-3
o-arsanilic acid

: 123-54-6
acetylacetone

: 1288981-02-1
(2-(2-(2,4-dioxopentan-3-ylidene)hydrazineyl) phenyl)arsonic acid

Conditions

Conditions	Yield
Stage #1: o-arsanilic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at -0.16℃; Stage #2: acetylacetone In water at -0.16℃; for 1h;	67%

: 2045-00-3
o-arsanilic acid

: 3926-62-3
sodium monochloroacetic acid

: 1323372-55-9
2-(carboxymethylamino)phenylarsonic acid hydrochloride

Conditions

Conditions	Yield
Stage #1: o-arsanilic acid; sodium monochloroacetic acid With potassium carbonate In water at 100℃; for 7h; Stage #2: With hydrogenchloride In water pH=2 - 2.5;	60%

: 2045-00-3
o-arsanilic acid

: 90-02-8
salicylaldehyde

: (E)-(2-(2-hydroxybenzylidene)aminophenyl)arsonic acid

Conditions

Conditions	Yield
With hydrogenchloride In ethanol; water at 20℃; for 7h;	34%

: 584-48-5
2,4-dinitrobromobenzene

: 2045-00-3
o-arsanilic acid

: 18016-88-1
[2-(2,4-dinitro-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With pentan-1-ol; copper; potassium carbonate

: 4548-45-2
2-chloro-5-nitropyridine

: 2045-00-3
o-arsanilic acid

: [2-(5-nitro-[2]pyridylamino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With hydrogenchloride

: 758-08-7
Thioglycolamide

: 2045-00-3
o-arsanilic acid

: [(2-amino-phenyl)-arsanediyldimercapto]-di-acetic acid diamide

Conditions

Conditions	Yield
With water

: 64-67-5
diethyl sulfate

: 2045-00-3
o-arsanilic acid

: (2-ethylamino-phenyl)-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 108-86-1
bromobenzene

: 2045-00-3
o-arsanilic acid

: 872275-94-0
(2-anilino-phenyl)-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate at 130 - 140℃; Reagens 4:Kupfer(I)-jodid;

: 108-86-1
bromobenzene

: 2045-00-3
o-arsanilic acid

: (2-diphenylamino-phenyl)-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate at 160 - 170℃; Reagens 4: Kupfer(I)-jodid;

: 108-77-0
1,3,5-trichloro-2,4,6-triazine

: 2045-00-3
o-arsanilic acid

: [2-(4,6-diamino-[1,3,5]triazin-2-ylamino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide; acetone und Erhitzen des Reaktionsprodukts mit wss. NH3;

: 856095-00-6
4-bromo-6-methoxy-2-methylquinoline

: 2045-00-3
o-arsanilic acid

: 872273-59-1
[2-(6-methoxy-2-methyl-[4]quinolylamino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With pentan-1-ol; copper; potassium carbonate at 130 - 140℃; Reagens 4: Jod;

: 58142-97-5
1-chloro-5-nitroisoquinoline

: 2045-00-3
o-arsanilic acid

: [2-(5-nitro-[1]isoquinolylamino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 106-41-2
4-bromo-phenol

: 2045-00-3
o-arsanilic acid

: [2-(4-hydroxy-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With pentan-1-ol; copper; potassium carbonate

: 420-04-2
CYANAMID

: 2045-00-3
o-arsanilic acid

: (2-guanidino-phenyl)-arsonic acid

Conditions

Conditions	Yield
With hydrogenchloride

: 4791-21-3
(2-chloroacetyl)urea

: 2045-00-3
o-arsanilic acid

: [2-(allophanoylmethyl-amino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 4791-22-4
1-(chloroacetyl)-3-methylurea

: 2045-00-3
o-arsanilic acid

: (2-{[(4-methyl-allophanoyl)-methyl]-amino}-phenyl)-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 106-38-7
para-bromotoluene

: 2045-00-3
o-arsanilic acid

: 860236-55-1
(2-p-toluidino-phenyl)-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate

: 106-37-6
1.4-dibromobenzene

: 2045-00-3
o-arsanilic acid

: [2-(4-bromo-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
at 130 - 140℃;
With i-Amyl alcohol; copper; potassium carbonate at 130 - 140℃; Reagens 4: Kupfer(I)-jodid;

: 106-37-6
1.4-dibromobenzene

: 2045-00-3
o-arsanilic acid

: {2-[bis-(4-bromo-phenyl)-amino]-phenyl}-arsonic acid

Conditions

Conditions	Yield
at 150 - 160℃;
With i-Amyl alcohol; copper; potassium carbonate at 150 - 160℃; Reagens 4: Kupfer(I)-jodid;

: 585-76-2
m-bromobenzoic acid

: 2045-00-3
o-arsanilic acid

: 872276-17-0
3-(2-arsono-anilino)-benzoic acid

Conditions

Conditions	Yield
/BRN= 3395862/;

: 585-76-2
m-bromobenzoic acid

: 2045-00-3
o-arsanilic acid

: 4-(2-arsono-anilino)-benzoic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate at 145 - 155℃; Reagens 4: Kupfer(I)-jodid;

: 585-79-5
3-Bromonitrobenzene

: 2045-00-3
o-arsanilic acid

: 873983-25-6
[2-(3-nitro-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate at 145 - 150℃; Reagens 4: Kupfer(I)-jodid;

: 577-19-5
2-nitrophenyl bromide

: 2045-00-3
o-arsanilic acid

: 876497-37-9
[2-(2-nitro-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate at 110℃; Reagens 4: Kupfer(I)-jodid;

: 10147-68-9
N-(2-hydroxyphenyl)-2-chloroacetamide

: 2045-00-3
o-arsanilic acid

: (2-{[(2-hydroxy-phenylcarbamoyl)-methyl]-amino}-phenyl)-arsonic acid

Conditions

Conditions	Yield
With sodium hydroxide

: 41085-43-2
2-bromo-3-nitrotoluene

: 2045-00-3
o-arsanilic acid

: 823810-41-9
[2-(2-methyl-6-nitro-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate

: 60956-26-5
4-bromo-2-nitrotoluene

: 2045-00-3
o-arsanilic acid

: [2-(4-methyl-3-nitro-anilino)-phenyl]-arsonic acid

Conditions

Conditions	Yield
With i-Amyl alcohol; copper; potassium carbonate

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: Toxic T, Dangerous 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.

Product Name

2-Aminobenzenearsonic acid

Synthetic route

2-Aminobenzenearsonic acid Chemical Properties

2-Aminobenzenearsonic acid Safety Profile

2-Aminobenzenearsonic acid Specification

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