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A9258

Sigma-Aldrich

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
Beilstein:
1102334
EC Number:
202-674-3
MDL number:
MFCD00007819
UNSPSC Code:
12352100
PubChem Substance ID:
57653895
NACRES:
NA.22

form

powder

Quality Level

200

mp

≥300 °C (lit.)

SMILES string

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

InChI

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

InChI key

XKNKHVGWJDPIRJ-UHFFFAOYSA-N

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Related Categories

Pictograms

Skull and crossbonesEnvironment
GHS06,GHS09

Signal Word

Danger

Hazard Statements

H301 + H331 - H410

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH Annex XVII (Restriction List)

CAS No.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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