Meldola's blue

新蓝R

Also known as: 8-Dimethylamino-2,3-benzophenoxazine hemi(zinc chloride) salt, Basic Blue 6, CI 51175, Meldola blue, New Blue R, Phenylene Blue, Bengal Blue R, Fast Blue 3R, 9-(dimethylamino)benzo[a]phenazin-7-ium zinc(II) chloride, 9-(Dimethylamino)benzo[a]phenazin-7-ium chloride, compound with zinc chloride

Meldola's blue (CAS 7057-57-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H15ClN2O and a molecular weight of 310.77800 g/mol. It is also known as 8-Dimethylamino-2,3-benzophenoxazine hemi(zinc chloride) salt, Basic Blue 6 and CI 51175. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7057-57-0
Jingsj CID
J-45843-4
Molecular Formula
C18H15ClN2O
Chinese Name
新蓝R
Molecular Weight
310.77800 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Meldola's blue?

The CAS number of Meldola's blue is 7057-57-0.

What are the molecular formula and molecular weight of Meldola's blue?

Meldola's blue has molecular formula C18H15ClN2O and molecular weight 310.77800 g/mol.

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

Last updated:

How to cite: Jingsj. "Meldola's blue (CAS 7057-57-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45843-4 (accessed 2026-10-23).

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