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C.I. Vat Red 45

Also known as: Vat Red 45, C.I. 73860, 2-(1-Oxoacenaphthene-2-ylidene)benzo[b]thiophene-3(2H)-one, 2-(2-Oxo-2H-acenaphth-1-ylidene)benzo[b]thiophene-3(2H)-one, Acenaphthen-(1)-thianaphthen-(2)-indigo, 1'-Acenaphthen-2-thianaphthenindigo, C.I. Vat Red 45

C.I. Vat Red 45 (CAS 6252-78-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H10O2S and a molecular weight of 314.36300 g/mol. Key properties include a boiling point of 507.2ºC at 760 mmHg, a density of 1.505g/cm3 and a flash point of 225.4ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
6252-78-4
Jingsj CID
J-1525109-9
Molecular Formula
C20H10O2S
Molecular Weight
314.36300 g/mol
Category
Organic Compounds
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point507.2ºC at 760 mmHg
Density1.505g/cm3
Flash Point225.4ºC
Exact Mass612.13300
PSA144.85000
LogP5.29940
Refractive Index1.827

Frequently Asked Questions

What is the CAS number of C.I. Vat Red 45?

The CAS number of C.I. Vat Red 45 is 6252-78-4.

What are the molecular formula and molecular weight of C.I. Vat Red 45?

C.I. Vat Red 45 has molecular formula C20H10O2S and molecular weight 314.36300 g/mol.

What are the upstream and downstream products of C.I. Vat Red 45?

For C.I. Vat Red 45, Upstream Products: Acenaphthoquinone, Benzo[b]thiophen-3-ol, 2-(carboxymethylthio)benzoic acid; Downstream Products: Thiosalicylic 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. "C.I. Vat Red 45 (CAS 6252-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525109-9 (accessed 2026-11-09).

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