Pigment Yellow 101

Also known as: 2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone, 1,1'-(Azinobismethylidyne)bis(2-naphthol), 1,1'-[Azinobismethylidyne]bis[2-naphthol], 1,2-Bis(2-hydroxy-1-naphtylmethylene)hydrazine, 1,2-Bis(2-hydroxynaphthalene-1-ylmethylene)hydrazine, 1-Naphthalenecarboxaldehyde, 2-hydroxy-, (2-hydroxy-1-naphthalenyl)methylenehydrazone, 2,2'-Dihydroxy-1,1'-naphthalazine, 2,2'-Dihydroxy-1,1'-naphthaldehydediazine, C.I. 48052, Lumogen Yellow S 0790, Lumogen Yellow D 0790, NSC 78485

Pigment Yellow 101 (CAS 2387-03-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H16N2O2 and a molecular weight of 340.37500 g/mol. Key properties include a boiling point of 553.4ºC at 760mmHg, a density of 1.402g/cm3 and a flash point of 195.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2387-03-3

Jingsj CID

J-1506139-9

Molecular Formula

C₂₂H₁₆N₂O₂

Molecular Weight

340.37500 g/mol

Category

Organic Compounds

Last updated

8/21/2026