Skip to main content
Jingsj
.mol.sdf

7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)

Also known as: Rhoduline acid, 5,5'-Dihydroxy-2,2'-dinaphthylamine-7,7'-disulphonic acid, Di-J acid, J Acid Imide, RW acid, 4,4'-Dihydroxy-7,7'-iminodi(naphthalene-2-sulfonic acid), 6,6'-Iminobis(1-hydroxy-3-sulfonaphthalene)

7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid) (CAS 87-03-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H15NO8S2 and a molecular weight of 461.46500 g/mol. Key property: a density of 1.734. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
87-03-6
Jingsj CID
J-11693-0
Molecular Formula
C20H15NO8S2
Molecular Weight
461.46500 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density1.734
Exact Mass461.02400
PSA177.99000
LogP5.87580
Refractive Index1.802

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)?

The CAS number of 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid) is 87-03-6.

What are the molecular formula and molecular weight of 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)?

7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid) has molecular formula C20H15NO8S2 and molecular weight 461.46500 g/mol.

What are the upstream and downstream products of 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid)?

For 7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid), Upstream Products: 7-amino-4-hydroxy-2-naphthalenesulfonic acid.

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

Last updated:

How to cite: Jingsj. "7,7'-Iminobis(4-hydroxy-2-naphthalenesulfonic acid) (CAS 87-03-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11693-0 (accessed 2026-11-07).

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