Pigment Blue 1

颜料蓝1

Also known as: C.I. Pigment Blue 1, C.I. 42595:2, 4235 Fast Blue Lake BO, 4250 Fast Blue Toner R, Blue 6390, Cascade Blue, EINECS 215-410-7, Ethanaminium, N-[4-[[4-(diethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, molybdatetungstatephosphate, Fanatone Blue B, N-[4-[[4-(Diethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium molybdatetungstatephosphate, PEACOCK BLUE, Royal Victoria Blue CP 637

Pigment Blue 1 (CAS 1325-87-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C33H40N3+ and a molecular weight of 478.69100 g/mol. It is also known as C.I. Pigment Blue 1, C.I. 42595:2 and 4235 Fast Blue Lake BO. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1325-87-7
Jingsj CID: J-1138-3
Molecular Formula: C₃₃H₄₀N₃
Chinese Name: 颜料蓝1
Molecular Weight: 478.69100 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Pigment Blue 1?

The CAS number of Pigment Blue 1 is 1325-87-7.

What are the molecular formula and molecular weight of Pigment Blue 1?

Pigment Blue 1 has molecular formula C33H40N3+ and molecular weight 478.69100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pigment Blue 1 (CAS 1325-87-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138-3 (accessed 2026-10-23).

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