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Isoviolanthrone

Also known as: Vat Violet 10, C.I. 60000, C.I. Vat Violet 10, Benzadone Violet B, Benzo[rst]phenanthro[10,1,2-cde]pentaphene-9,18-dione, Benzo[rst]phenanthro[10,1,2-cde]pentaphen-9,18-dion, Carbanthrene Printing Violet 2R, Dinaphtho(1,2,3-cd:1',2',3'-lm)perylene-9,18-dione, EINECS 204-901-1, Isodibenzanthrone, Isothrene, Isoviolanthrone A, Izodibenzantron, MFCD00021274, Paradone Brilliant Violet 2R, Romantrene Violet 2R, isoviolathrone

Isoviolanthrone (CAS 128-64-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C34H16O2 and a molecular weight of 456.490 g/mol. Key property: a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128-64-3
Jingsj CID
J-3783-1
Molecular Formula
C34H16O2
Molecular Weight
456.490 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Density1.5±0.1 g/cm3
Exact Mass456.115021
PSA34.14000
LogP9.13
Refractive Index1.926

Customs & Trade Information

HS Code2914399090
Summary2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Isoviolanthrone?

The CAS number of Isoviolanthrone is 128-64-3.

What are the molecular formula and molecular weight of Isoviolanthrone?

Isoviolanthrone has molecular formula C34H16O2 and molecular weight 456.490 g/mol.

What are the upstream and downstream products of Isoviolanthrone?

For Isoviolanthrone, Upstream Products: Benzanthrone, 3-Bromobenzanthrone, 3,9-Dibromobenzanthrone; Downstream Products: Phthalic 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. "Isoviolanthrone (CAS 128-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3783-1 (accessed 2026-11-06).

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