C.I. Direct Red 1

直接红F

Also known as: C.I. 22310, Direct Red 1, disodium 5-[[4'-[(2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate, 5-[[4'-[(2-Amino-8-hydroxy-6-sulfo-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt, Airedale Red FD, Aizen Direct Fast Red FH, Amanil Fast Red FS, Calcomine Red FC, COLUMBIA FAST RED F, Cutamin Red CF, Diphenyl Red B, Direct Fast Red F, Direct Red Kh, Direct Rose MN, Fixanol Red FS, Metachrome Red F, Mordant Red 57, Neonyl Red 2B, Vondacel Red FN, disodium,(3Z)-3-[[4-[4-[2-(2-imino-8-oxo-6-sulfonatonaphthalen-1-yl)hydrazinyl]phenyl]phenyl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate

C.I. Direct Red 1 (CAS 2429-84-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C29H19N5Na2O7S and a molecular weight of 627.53500 g/mol. It is also known as C.I. 22310, Direct Red 1 and disodium 5-[[4'-[(2-amino-8-hydroxy-6-sulphonato-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2429-84-7
Jingsj CID
J-1355956-4
Molecular Formula
C29H19N5Na2O7S
Chinese Name
直接红F
Molecular Weight
627.53500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of C.I. Direct Red 1?

The CAS number of C.I. Direct Red 1 is 2429-84-7.

What are the molecular formula and molecular weight of C.I. Direct Red 1?

C.I. Direct Red 1 has molecular formula C29H19N5Na2O7S and molecular weight 627.53500 g/mol.

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

Last updated:

How to cite: Jingsj. "C.I. Direct Red 1 (CAS 2429-84-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355956-4 (accessed 2026-10-25).

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