Acid Orange 51

酸性橙51

Also known as: C.I. Acid Orange 51, Acid Orange 51 (C.I.), Acid Red Brown 5K, Baygenal Red Brown LNZR, Nylomine Acid Brown C-R, EINECS 232-328-7, CI 26550, disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-4-(4-nitro-2-sulphophenylamino)phenylazo)naphthalene-2-sulphonate

Acid Orange 51 (CAS 8003-88-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C36H26N6Na2O11S3 and a molecular weight of 860.80000 g/mol. It is also known as C.I. Acid Orange 51, Acid Orange 51 (C.I.) and Acid Red Brown 5K. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
8003-88-1
Jingsj CID
J-45186-4
Molecular Formula
C36H26N6Na2O11S3
Chinese Name
酸性橙51
Molecular Weight
860.80000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Acid Orange 51?

The CAS number of Acid Orange 51 is 8003-88-1.

What are the molecular formula and molecular weight of Acid Orange 51?

Acid Orange 51 has molecular formula C36H26N6Na2O11S3 and molecular weight 860.80000 g/mol.

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

Last updated:

How to cite: Jingsj. "Acid Orange 51 (CAS 8003-88-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45186-4 (accessed 2026-10-23).

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