Pigment red 2

C23H15Cl2N3O2CAS 6041-94-7436.29 g/mol

ONHNNClClHO
Aryl halideAzoPhenol

Properties

Molecular formula
C23H15Cl2N3O2
Molar mass
436.29 g/mol
Exact mass
435.0541 Da
Water solubility
< 1 g/L (18.9 °C)
logP
7.90Crippen estimate
Polar surface area
77.5 Ų
H-bond donors / acceptors
2 / 4
Rotatable bonds
4

Hazards

Not classified as hazardous under GHS by 335 ECHA notifiers. Aggregated from 335 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Identifiers

CAS number
6041-94-7
SMILES
OC(=Nc1ccccc1)c1cc2ccccc2c(N=Nc2cc(Cl)ccc2Cl)c1O
InChIKey
HXJSTOXKASOAQW-UHFFFAOYSA-N
InChI
InChI=1S/C23H15Cl2N3O2/c24-15-10-11-19(25)20(13-15)27-28-21-17-9-5-4-6-14(17)12-18(22(21)29)23(30)26-16-7-2-1-3-8-16/h1-13,29H,(H,26,30)

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Type any one amount. The others follow from the molar mass.

Names and synonyms

43 names · show all
  • 2-Naphthalenecarboxamide, 4-[2-(2,5-dichlorophenyl)diazenyl]-3-hydroxy-N-phenyl-
  • C.I. Pigment red 2
  • 2-Naphthalenecarboxamide, 4-[(2,5-dichlorophenyl)azo]-3-hydroxy-N-phenyl-
  • 2-Naphthanilide, 4-(2,5-dichlorophenylazo)-3-hydroxy-
  • 4-[2-(2,5-Dichlorophenyl)diazenyl]-3-hydroxy-N-phenyl-2-naphthalenecarboxamide
  • C.I. 12310
  • Confast red 2R
  • Fast red F 2R
  • Flash red R 100
  • Irgalite red FBS
  • Irgalite red FBX
  • Isol aryl red 2R
  • Kromon red 2R
  • Lutetia fast red F 2R
  • Lutetia fast red BR
  • Monolite fast paper red 2R
  • Monolite fast red 2R
  • Monolite fast red 2RA
  • Monolite fast red 2RV
  • Naftol red RN 1533
  • Naphthol red light 10397
  • Permanent red F 2R
  • Permanent red FRR
  • Pigment red 2R
  • Pigment scarlet 2SV
  • Recolite fast red 2R
  • Revere red X 2198
  • Sico fast red P 2RH
  • Sico fast red P 16R
  • Silopol red R
  • Silosol red RHN
  • Siloton red F 2R
  • Syton fast red F 2R
  • Tertropigment red PF 2R
  • Versal fast red F 2R
  • Pigment scarlet 2S
  • Scarlet 2S
  • 1-(2,5-Dichlorophenylazo)-3-phenylcarbamoyl-2-naphthol
  • Pigment scarlet 2STP
  • Unisperse red FBN-PI
  • Naphthol red 2R
  • Irgalite red FBN
  • PR 2

Work with Pigment red 2

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere