CAS Registry Number®
2425-85-6
CAS Name
Toluidine red
Molecular Formula
C17H13N3O3
Molecular Mass
307.30
Other Names and Identifiers
InChI
InChI=1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3
InChIKey
InChIKey=ZLFVRXUOSPRRKQ-UHFFFAOYSA-N
SMILES
N(=NC1=C(N(=O)=O)C=C(C)C=C1)C=2C3=C(C=CC2O)C=CC=C3
Canonical SMILES
O=N(=O)C1=CC(=CC=C1N=NC2=C(O)C=CC=3C=CC=CC32)C
Other Names for this Substance
- 2-Naphthalenol, 1-[2-(4-methyl-2-nitrophenyl)diazenyl]-
- C.I. Pigment Red 3
- 2-Naphthalenol, 1-[(4-methyl-2-nitrophenyl)azo]-
- Toluidine red
- 1-[2-(4-Methyl-2-nitrophenyl)diazenyl]-2-naphthalenol
- C.I. 12120
- Accosperse Toluidine Red XL
- ADC Toluidine Red B
- Calcotone Toluidine Red YP
- Carnelio Helio Red
- Chromatex Red J
- Dainichi Permanent Red 4R
- Deep Fastona Red
- Duplex Toluidine Red L 20-3140
- Eljon Fast Scarlet PV Extra
- Eljon Fast Scarlet RN
- Enialit Light Red RL
- Fastona Red B
- Fastona Scarlet RL
- Fastona Scarlet YS
- Fast Red A
- Fast Red J
- Fast Red R
- Fast Red AB
- Fast Red JE
- Hansa Red B
- Hansa Scarlet RB
- Hansa Red G
- Hansa Scarlet RN
- Hansa Scarlet RNC
- Helio Fast Red BN
- Helio Fast Red RL
- Helio Fast Red RN
- Helio Red RL
- Helio Red Toner
- Hispalit Fast Scarlet RN
- Independence Red
- Irgalite Fast Red P 4R
- Irgalite Fast Scarlet RND
- Irgalite Red PV 2
- Irgalite Red RNPX
- Irgalite Scarlet RB
- Isol Fast Red HB
- Isol Fast Red RN 2B
- Isol Fast Red RN 2G
- Isol Fast Red RNB
- Isol Fast Red RNG
- Isol Toluidine Red HB
- Isol Toluidine Red RN 2B
- Isol Toluidine Red RN 2G
- Isol Toluidine Red RNB
- Isol Toluidine Red RNG
- Kromon Helio Fast Red
- Kromon Helio Fast Red YS
- Lake Red 4R
- Lake Red 4RII
- Lithol Fast Scarlet RN
- Lutetia Fast Red 3R
- Lutetia Fast Scarlet RF
- Lutetia Fast Scarlet RJN
- Monolite Fast Scarlet CA
- Monolite Fast Scarlet GSA
- Monolite Fast Scarlet RBA
- Monolite Fast Scarlet RN
- Monolite Fast Scarlet RNA
- Monolite Fast Scarlet RNV
- Monolite Fast Scarlet RT
- 1-(o-Nitro-p-tolylazo)-2-naphthol
- No. 2 Forthfast Scarlet
- Oralith Red P 4R
- Permanent Red 4R
- Pigment Red RL
- Pigment Scarlet B
- Polymo Red FGN
- Recolite Fast Red RBL
- Recolite Fast Red RL
- Recolite Fast Red RYL
- Sanyo Scarlet Pure
- Sanyo Scarlet Pure No. 1000
- Scarlet Pigment RN
- Segnale Light Red B
- Segnale Light Red C 4R
- Segnale Light Red 2B
- Segnale Light Red BR
- Segnale Light Red RL
- Siegle Red B
- Siegle Red 1
- Siegle Red BB
- Silogomma Red RLL
- Silosol Red RBN
- Silosol Red RN
- Siloton Red BRLL
Deleted or Replaced CAS Registry Numbers
12238-48-1, 12240-01-6, 12240-02-7, 39310-30-0, 78690-69-4, 1878204-43-3