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4-(Dimethylamino)azobenzene-4'-arsonic acid

Also known as: 4-Dimethylaminoazobenzene-4'-arsonic acid, Arsonic acid, As-[4-[2-[4-(dimethylamino)phenyl]diazenyl]phenyl]-, p-(Dimethylaminophenyl)azophenylarsonic acid, 4-[4-(N,N-Dimethylaminophenylazo)]benzenearsonic acid, NSC 4189

4-(Dimethylamino)azobenzene-4'-arsonic acid (CAS 622-68-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H16AsN3O3 and a molecular weight of 349.21700 g/mol. Key properties include a boiling point of 606ºC at 760 mmHg and a flash point of 320.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
622-68-4
Jingsj CID
J-1055036-0
Molecular Formula
C14H16AsN3O3
Molecular Weight
349.21700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point606ºC at 760 mmHg
Flash Point320.3ºC
Exact Mass349.04100
PSA85.49000
LogP1.72900

Customs & Trade Information

HS Code2931900090
Summary2931900090. 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-(Dimethylamino)azobenzene-4'-arsonic acid?

The CAS number of 4-(Dimethylamino)azobenzene-4'-arsonic acid is 622-68-4.

What are the molecular formula and molecular weight of 4-(Dimethylamino)azobenzene-4'-arsonic acid?

4-(Dimethylamino)azobenzene-4'-arsonic acid has molecular formula C14H16AsN3O3 and molecular weight 349.21700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(Dimethylamino)azobenzene-4'-arsonic acid (CAS 622-68-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055036-0 (accessed 2026-11-06).

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