Acid Brown 440

酸性棕 A

Also known as: Acid Brown 440, C.I. Acid Brown 440, C.I. 34908, Apollo Leather Brown PLA, Brown PNR, AcidBrownA, Daedo Acid Brown PNR, 2,7-Naphthalenedisulfonic acid, 4-[2-[2,6-dihydroxy-3-[2-(4-nitrophenyl)diazenyl]-5-[2-[4-(phenylamino)-3-sulfophenyl]diazenyl]phenyl]diazenyl]-5-hydroxy-, trisodium salt

Acid Brown 440 (CAS 93376-15-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C34H24N8NaO14S3 and a molecular weight of 887.78400 g/mol. It is also known as C.I. Acid Brown 440, C.I. 34908 and Apollo Leather Brown PLA. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 93376-15-9
Jingsj CID: J-1169565-3
Molecular Formula: C₃₄H₂₄N₈NaO₁₄S₃
Chinese Name: 酸性棕 A
Molecular Weight: 887.78400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Acid Brown 440?

The CAS number of Acid Brown 440 is 93376-15-9.

What are the molecular formula and molecular weight of Acid Brown 440?

Acid Brown 440 has molecular formula C34H24N8NaO14S3 and molecular weight 887.78400 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Acid Brown 440 (CAS 93376-15-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1169565-3 (accessed 2026-10-25).

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