Janus Black

二嗪黑

Also known as: Basic Black 2, C.I. Basic Black 2, C.I. 11825, CI NO 11825, DIAZINE BLACK, Diazine Black, Phenazinium,3-(diethylamino)-7-[2-(4-hydroxyphenyl)diazenyl]-5-phenyl-, chloride (1:1), 4-[[8-(diethylamino)-10-phenylphenazin-10-ium-2-yl]hydrazinylidene]cyclohexa-2,5-dien-1-one,chloride, Aizen Cathilon Grey BLH, Sevron Charcoal MF, Sumiacryl Black G, Sumiacryl Grey B, Janus Black I, Janus Black R, MFCD00050077

Janus Black (CAS 4443-99-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C28H26ClN5O and a molecular weight of 483.99200 g/mol. It is also known as Basic Black 2, C.I. Basic Black 2 and C.I. 11825. Key properties include a melting point of 200ºC (dec.)(lit.), a boiling point of 621.1ºC at 760mmHg, a density of 1.2g/cm3 and a flash point of 329.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4443-99-6
Jingsj CID
J-1329164-6
Molecular Formula
C28H26ClN5O
Chinese Name
二嗪黑
Molecular Weight
483.99200 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point200ºC (dec.)(lit.)
Boiling Point621.1ºC at 760mmHg
Density1.2g/cm3
Flash Point329.4ºC

Frequently Asked Questions

What is the CAS number of Janus Black?

The CAS number of Janus Black is 4443-99-6.

What are the molecular formula and molecular weight of Janus Black?

Janus Black has molecular formula C28H26ClN5O and molecular weight 483.99200 g/mol.

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

Last updated:

How to cite: Jingsj. "Janus Black (CAS 4443-99-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1329164-6 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.