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2-Amino-5-methylbenzene-1,4-disulfonic acid

Also known as: 4-methylaniline-2,5-disulfonic acid, p-Toluidine-2,5-disulfonic acid, 4-amino-toluene-2,5-disulfonic acid, 2-AMINO-5-METHYL-1,4-BENZENEDISULFONIC ACID, 1,4-Benzenedisulfonic acid, 2-amino-5-methyl-, 4-Amino-toluol-2,5-disulfonsaeure, 4-Methylanilin-2,5-disulfonsaeure

2-Amino-5-methylbenzene-1,4-disulfonic acid (CAS 26585-57-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9NO6S2 and a molecular weight of 267.27900 g/mol. Key property: a density of 1.74g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26585-57-9
Jingsj CID
J-1525366-4
Molecular Formula
C7H9NO6S2
Molecular Weight
267.27900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.74g/cm3
Exact Mass266.98700
PSA151.52000
LogP2.81340

Customs & Trade Information

HS Code2921499090
Summary2921499090 other aromatic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Amino-5-methylbenzene-1,4-disulfonic acid?

The CAS number of 2-Amino-5-methylbenzene-1,4-disulfonic acid is 26585-57-9.

What are the molecular formula and molecular weight of 2-Amino-5-methylbenzene-1,4-disulfonic acid?

2-Amino-5-methylbenzene-1,4-disulfonic acid has molecular formula C7H9NO6S2 and molecular weight 267.27900 g/mol.

What are the upstream and downstream products of 2-Amino-5-methylbenzene-1,4-disulfonic acid?

For 2-Amino-5-methylbenzene-1,4-disulfonic acid, Upstream Products: 5-Amino-2-methylbenzenesulfonic acid; Downstream Products: 5-Amino-2-methylbenzenesulfonic 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. "2-Amino-5-methylbenzene-1,4-disulfonic acid (CAS 26585-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525366-4 (accessed 2026-11-09).

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