(4-Chlorophenyl)arsonic acid

Also known as: 4-Chlorophenylarsonic acid, p-Chlorophenylarsonic acid, p-Chlorobenzenearsonic acid, Benzenearsonic acid, p-chloro-, Arsonic acid, (4-chlorophenyl)-, NSC 15562, EINECS 226-622-4

(4-Chlorophenyl)arsonic acid (CAS 5440-04-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6AsClO3 and a molecular weight of 236.48500 g/mol. Key properties include a boiling point of 456.8ºC at 760mmHg and a flash point of 230ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5440-04-0
Jingsj CID: J-22545-6
Molecular Formula: C₆H₆AsClO₃
Molecular Weight: 236.48500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	456.8ºC at 760mmHg
Flash Point	230ºC
Exact Mass	235.92200
PSA	57.53000

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (4-Chlorophenyl)arsonic acid?

The CAS number of (4-Chlorophenyl)arsonic acid is 5440-04-0.

What are the molecular formula and molecular weight of (4-Chlorophenyl)arsonic acid?

(4-Chlorophenyl)arsonic acid has molecular formula C6H6AsClO3 and molecular weight 236.48500 g/mol.

What are the upstream and downstream products of (4-Chlorophenyl)arsonic acid?

For (4-Chlorophenyl)arsonic acid, Upstream Products: Arsanilic acid, 4-Chloroaniline; Downstream Products: Roxarsone, 4-Bromochlorobenzene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "(4-Chlorophenyl)arsonic acid (CAS 5440-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22545-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.