p-Arsanilic acid, 99%

Name: p-Arsanilic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-009535

About p-Arsanilic acid, 99%

Vaqora Chemicals supplies p-Arsanilic acid (Synthesis grade), an amine building block registered under CAS number 98-50-0 at a purity of 99%. Formula C6H8AsNO3, molecular weight 217.05 g/mol. Its systematic (IUPAC) name is (4-aminophenyl)arsonic acid. It is also known as 4-Aminobenzenearsonic acid or 4-Aminophenylarsonic acid.

In its supplied form it is a white to off-white powder. Reported physical data include a melting point of ≥300 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies p-Arsanilic acid in 25 g, 100 g, 500 g and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Arsanilic acid, 99%
Catalogue No.	VQ-009535
CAS Number	98-50-0
IUPAC name	(4-aminophenyl)arsonic acid
Molecular formula	C₆H₈AsNO₃
Molecular weight	217.05 g/mol
Exact mass	216.972
Grade	Synthesis
Purity / assay	99%
HSN code	29319090
InChIKey	XKNKHVGWJDPIRJ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N)[As](=O)(O)O
PubChem CID	7389

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	≥300 °C
H-bond donors / acceptors	3 / 4
TPSA	83.6 Å²
UN number	UN 3465
Synonyms	4-Aminobenzenearsonic acid, 4-Aminophenylarsonic acid, 4-Arsanilic acid, Atoxylic acid, p-Aminobenzenearsonic acid, Pro-Gen, p-Anilinearsonic acid, Aminophenylarsine acid, Pro-Gen 227 premix, p-Aminophenylarsonic acid, Antoxylic acid, Progen 90

Safety & hazard information (GHS)

Toxic

Environmental hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H331Toxic if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P321, P330, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of p-Arsanilic acid, 99%?

The CAS Registry Number of p-Arsanilic acid, 99% is 98-50-0. It is also known as 4-Aminobenzenearsonic acid, 4-Aminophenylarsonic acid, 4-Arsanilic acid.

What is the molecular formula and molecular weight of p-Arsanilic acid, 99%?

p-Arsanilic acid, 99% has the molecular formula C6H8AsNO3 and a molecular weight of 217.05 g/mol. Its IUPAC name is (4-aminophenyl)arsonic acid.

Which grade and pack sizes of p-Arsanilic acid, 99% can I order?

We supply p-Arsanilic acid, 99% in Synthesis (99%) grade, in 25 g, 100 g, 500 g, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Arsanilic acid, 99%?

Yes. Every lot of p-Arsanilic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can p-Arsanilic acid, 99% be shipped internationally?

Yes. p-Arsanilic acid, 99% is classified as hazardous (UN 3465), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.