2-Aminobenzenearsonic acid Chemical Properties

Melting point:

154-155 °C(lit.)

Boiling point:

519.3±52.0 °C(Predicted)

Density 

1.79 g/cm3

solubility 

1 M NH4OH: soluble50mg/mL, clear to turbid (orange-brown)

form 

solid

pka

pK1: ca 2;pK2: 3.77;pK3: 8.66 (25°C)

color 

White to Light yellow to Light orange

Stability:

Hygroscopic, Moisture sensitive

InChIKey

LQCOCUQCZYAYQK-UHFFFAOYSA-N

CAS DataBase Reference

2045-00-3(CAS DataBase Reference)

NIST Chemistry Reference

O-arsanilic acid(2045-00-3)

Safety Information

Hazard Codes 

T,N

Risk Statements 

23/25-50/53

Safety Statements 

20/21-28-45-60-61-28A

RIDADR 

2811

WGK Germany 

3

HS Code 

2931.90.6000

HazardClass 

6.1

PackingGroup 

III

MSDS

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2-Aminobenzenearsonic acid Usage And Synthesis

Chemical Properties

grey-green to brown powder

Uses

o-Arsanilic Acid is an organoarsenic compound. o-Arsanilic Acid is a highly toxic contaminant and can be found in plants growing in contaminated soil.

Purification Methods

Crystallise it from water or ethanol/ether. POISONOUS. [Beilstein 16 I 463.]

2-Aminobenzenearsonic acid(2045-00-3)Related Product Information

• p-Anisidine
• Aniline-2-sulfonic acid
• Citric acid
• Sulfanilic acid
• 4-Aminobenzoic acid
• Folic acid
• Stearic acid
• 2-Aminobenzaldehyde
• Benzocaine
• Methyl anthranilate
• Sulfanilamide
• o-Anisidine
• 4-Aminophenylarsonic acid
• PHENYLARSONIC ACID
• Ethyl 2-(Chlorosulfonyl)acetate
• Aniline
• Ascoric Acid
• Anthranilic acid