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Pigment Red 22

Also known as: C.I. 12315, C.I. Pigment Red 22, C.I. Pigment Red 22 (12315), Fast Brilliant Red N, Fast Red N, Brilliant Fat Scarlet, Napthol Red Yellow Shade, Scarlet BG, AKA404, 3117 Fast Scarlet N, 3-Hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-N-phenylnaphthalene-2-carboxamide, 3-Hydroxy-4-(2-methyl-5-nitro-phenylazo)-[2]naphthoic acid anilide, 3-Hydroxy-4-(2-methyl-5-nitro-phenylazo)-[2]naphthoesaeure-anilid

Pigment Red 22 (CAS 6448-95-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C24H18N4O4 and a molecular weight of 426.42400 g/mol. Key properties include a boiling point of 622.6ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 330.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6448-95-9
Jingsj CID
J-1959626-0
Molecular Formula
C24H18N4O4
Molecular Weight
426.42400 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point622.6ºC at 760 mmHg
Density1.34g/cm3
Flash Point330.3ºC
Exact Mass426.13300
PSA119.87000
LogP7.02590
Refractive Index1.674

Activity & Biological Data

Additional Information[1]. Eva Engel, et al. Modern tattoos cause high concentrations of hazardous pigments in skin. Contact Dermatitis. 2008 Apr;58(4):228-33.

Frequently Asked Questions

What is the CAS number of Pigment Red 22?

The CAS number of Pigment Red 22 is 6448-95-9.

What are the molecular formula and molecular weight of Pigment Red 22?

Pigment Red 22 has molecular formula C24H18N4O4 and molecular weight 426.42400 g/mol.

What are the upstream and downstream products of Pigment Red 22?

For Pigment Red 22, Upstream Products: Naphthol AS.

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

Last updated:

How to cite: Jingsj. "Pigment Red 22 (CAS 6448-95-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959626-0 (accessed 2026-11-09).

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