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Mordant Black 17

Also known as: Calcon, Eriochrome blue black R, Palatine Chrome Black 6BN, C.I. Mordant Black 17, Sodium 3-hydroxy-4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate, 1-(2-Hydroxy-1-naphthylazo)-2-naphthol-4-sulfonic acid sodium salt, Zinchrome R, Mordant Black R, Sunchromine Blue Black R, Superchrome Blue B Extra

Mordant Black 17 (CAS 2538-85-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H13N2NaO5S and a molecular weight of 416.382 g/mol. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
2538-85-4
Jingsj CID
J-1111912-3
Molecular Formula
C20H13N2NaO5S
Molecular Weight
416.382 g/mol
Category
Organic Compounds
Last updated
8/21/2026
Made to Order

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Physicochemical Properties

Exact Mass416.044281
PSA130.76000
LogP5.80450
Additional Property20 g/L (20 ºC)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code3206200000

Frequently Asked Questions

What is the CAS number of Mordant Black 17?

The CAS number of Mordant Black 17 is 2538-85-4.

What are the molecular formula and molecular weight of Mordant Black 17?

Mordant Black 17 has molecular formula C20H13N2NaO5S and molecular weight 416.382 g/mol.

Which suppliers offer Mordant Black 17?

1 supplier(s) listed; request a quote for pricing.

Is Mordant Black 17 hazardous?

Mordant Black 17 has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Mordant Black 17?

For Mordant Black 17, Downstream Products: 2-Hydroxy-1,4-naphthoquinone.

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

Last updated:

How to cite: Jingsj. "Mordant Black 17 (CAS 2538-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1111912-3 (accessed 2026-11-09).

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