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Merck
CN

A9258

p-Arsanilic acid

Synonym(s):

4-Aminobenzenearsonic acid, 4-Aminophenylarsonic acid, 4-Arsanilic acid

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About This Item

Empirical Formula (Hill Notation):
C6H8AsNO3
CAS Number:
98-50-0
Molecular Weight:
217.05
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57653895
EC Number:
202-674-3
Beilstein/REAXYS Number:
1102334
MDL number:
MFCD00007819
Form:
powder or flakes

Key Documents

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InChI key

XKNKHVGWJDPIRJ-UHFFFAOYSA-N

InChI

1S/C6H8AsNO3/c8-6-3-1-5(2-4-6)7(9,10)11/h1-4H,8H2,(H2,9,10,11)

SMILES string

Nc1ccc(cc1)[As](O)(O)=O

form

powder or flakes

mp

≥300 °C (lit.)

Quality Level

200

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Related Categories

pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6264
MKCZ6066
MKCZ6065
MKCQ0668
MKCN2621

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Marianna Czaplicka et al.
Environmental science and pollution research international, 22(21), 16927-16935 (2015-06-26)
The paper presents the kinetics and proposed pathways photodegradation and photooxidation of p-arsanilic acid, in a neutral environment by ozone and hydrogen peroxide. The results showed that in a neutral environment, photoozonation process was characterized by the highest decomposition rate
Han Young Eom et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1006, 151-157 (2015-11-10)
A simple and sensitive derivatization method using toluene-3,4-dithiol as a derivatization reagent for the simultaneous analysis of seven arsenic compounds (roxarsone, nitarsone, p-arsanilic acid, o-arsanilic acid, phenylarsonic acid, phenylarsine oxide, and mono-methylarsonic acid) in chicken muscle was developed and validated

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