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4-Phenylazobenzoyl chloride

4-苯偶氮苯甲酰氯

Also known as: 4-(phenylazo)benzoyl chloride, 4-phenyldiazenylbenzoyl chloride, 4-PHENYLAZOBENZOYL CHLORIDE, Azobenzene-4-carbonyl chloride, Azoyl chloride, Benzoyl chloride,4-(2-phenyldiazenyl)-, Azobenzene-4-carboxylic acid chloride, EINECS 203-188-4, MFCD00041722

4-Phenylazobenzoyl chloride (CAS 104-24-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H9ClN2O and a molecular weight of 244.67600 g/mol. It is also known as 4-(phenylazo)benzoyl chloride, 4-phenyldiazenylbenzoyl chloride and 4-PHENYLAZOBENZOYL CHLORIDE. Key properties include a melting point of 94-97 °C(lit.), a boiling point of 382.6ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 148.2ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
104-24-5
Jingsj CID
J-24442-6
Molecular Formula
C13H9ClN2O
Chinese Name
4-苯偶氮苯甲酰氯
Molecular Weight
244.67600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point94-97 °C(lit.)
Boiling Point382.6ºC at 760mmHg
Density1.21g/cm3
Flash Point148.2ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Phenylazobenzoyl chloride?

The CAS number of 4-Phenylazobenzoyl chloride is 104-24-5.

What are the molecular formula and molecular weight of 4-Phenylazobenzoyl chloride?

4-Phenylazobenzoyl chloride has molecular formula C13H9ClN2O and molecular weight 244.67600 g/mol.

Is 4-Phenylazobenzoyl chloride hazardous?

4-Phenylazobenzoyl chloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4-Phenylazobenzoyl chloride (CAS 104-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24442-6 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.