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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
EC Number:
219-210-0
EC Name:
2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
CAS Number:
2387-03-3
Molecular formula:
C22H16N2O2
IUPAC Name:
1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 1-Naphthaldehyde, 2-hydroxy-, azine (6CI, 7CI, 8CI)
  • 1-Naphthalenecarboxaldehyde, 2-hydroxy-, [(2-hydroxy-1- naphthalenyl)methylene]hydrazone (9CI)
  • 2,2'-Dihydroxy-1,1'-naphthalazine
  • 2,2'-Dihydroxynaphthalazine
  • 2-Hydroxy-1-naphthaldehyde, azine
  • C.I. 48052
  • C.I. Pigment Yellow 101
  • Fluorescent Yellow L
  • Hydroxynaphthaldazine
  • Liumogen
  • Lumogen GB 0790 ST.BER.100%
  • Lumogen LT
  • Lumogen LT Bright Yellow
  • Lumogen Yellow D 0790
  • Lumogen Yellow S 0790
  • Neeliglow Pigment Yellow 101
  • PY101
  • Pigment Yellow 101
  • Pigment Yellow 101 (PY101)
  • Resoform Fluorescent Yellow
  • Compositions

    Boundary Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    EC Number:
    219-210-0
    EC Name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    CAS Number:
    2387-03-3
    Molecular formula:
    C22H16N2O2
    IUPAC Name:
    1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    EC Number:
    219-210-0
    EC Name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    CAS Number:
    2387-03-3
    Molecular formula:
    C22H16N2O2
    IUPAC Name:
    1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    EC Number:
    219-210-0
    EC Name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    CAS Number:
    2387-03-3
    Molecular formula:
    C22H16N2O2
    IUPAC Name:
    1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    EC Number:
    219-210-0
    EC Name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    CAS Number:
    2387-03-3
    Molecular formula:
    C22H16N2O2
    IUPAC Name:
    1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    EC Number:
    219-210-0
    EC Name:
    2-hydroxynaphthalene-1-carbaldehyde [(2-hydroxy-1-naphthyl)methylene]hydrazone
    CAS Number:
    2387-03-3
    Molecular formula:
    C22H16N2O2
    IUPAC Name:
    1,1'-(hydrazine-1,2-diylidenedimethylylidene)di(2-naphthol)

    Composition(s) generated upon use

    Other types of composition(s)