C17H13N3O3
307.3 g/mol
Dye & PigmentDanger
Toluidine red
CAS2425-85-6EC219-372-2
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Pigment in paints and inks
Toluidine red is an organic azo pigment with a dark red color, traditionally used in applications such as oil paints. Its structure consists of a 2-naphthol group linked to a 2-nitro-4-methylphenyl substituent.
Pigment in paintsPigment in inks
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 2425-85-6
Related Compounds
SimilarStructure SimilarSimilarity 0.77
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Safety Reference
Danger
H318Causes serious eye damage
H410Very toxic to aquatic life with long lasting effects
H413May cause long lasting harmful effects to aquatic life
Identifiers
IUPAC Name
1-[(4-methyl-2-nitrophenyl)diazenyl]naphthalen-2-ol
InChIKey
ZLFVRXUOSPRRKQ-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C=C1)N=NC2=C(C=CC3=CC=CC=C32)O)[N+](=O)[O-]
Synonyms (145)
- Accosperse Toluidine Red XL
- Adc Toluidine Red B
- Basoflex Red 361
- C.P. Toluidine Toner A-2990
- C.P. Toluidine Toner RT-6101
- C.P.Toluidine Toner RT-6104
- CP Toluidine toner A-2989
- Calcotone Toluidine Red YP
- Carnelio Helio Red
- Chromatex Red J
- D and C Red No. 35
- Dainichi Permanent Red 4 R
- Deep Fastona Red
- Eljon Fast Scarlet PV Extra
- Eljon Fast Scarlet RN
- Enialit Light Red RL
- Fast Red A
- Fast Red A (VAN)
- Fast Red AB
- Fast Red J
- Fast Red JE
- Fast Red R
- Fastona Red B
- Fastona Scarlet RL
- Fastona Scarlet YS
- Graphtol Red A-4RL
- Hansa Red B
- Hansa Red G
- Hansa Scarlet RB
- 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 P4R
- Irgalite Fast Scarlet RND
- Irgalite Red PV2
- Irgalite Red RNPX
- Irgalite Scarlet RB
- Isol Fast Red HB
- Isol Fast Red RN2B
- Isol Fast Red RN2G
- Isol Fast Red RNB
- Isol Fast Red RNG
- Isol Toluidine Red HB
- Isol Toluidine Red RN2B
- Isol Toluidine Red RN2G
- 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 RB
- Monolite Fast Scarlet RBA
- Monolite Fast Scarlet RN
- Monolite Fast Scarlet RNA
- Monolite Fast Scarlet RNV
- Monolite Fast Scarlet RT
- No. 2 Forthfast Scarlet
- Oralith Red P4R
- Organol Scarlet
- Permanent Red 4R
- Recolite Fast Red BL
- Recolite Fast Red RBL
- Recolite Fast Red RL
- Recolite Fast Red RYL
- Sanyo Scarlet Pure
- Sanyo Scarlet Pure No. 1000
- Segnale Light Red 2B
- Segnale Light Red B
- Segnale Light Red BR
- Segnale Light Red C4R
- Segnale Light Red RL
- Siegle Red 1
- Siegle Red B
- Siegle Red BB
- Silogomma Red RLL
- Silosol Red RBN
- Silosol Red RN
- Siloton Red BRLL
- Siloton Red RLL
- Symuler Fast Scarlet 4R
- Syton Fast Scarlet RB
- Syton Fast Scarlet RD
- Syton Fast Scarlet RN
- Toluidine Red 10451
- Toluidine Red 3B
- Toluidine Red 4R
- Toluidine Red B
- Toluidine Red BFB
- Toluidine Red BFGG
- Toluidine Red D 28-3930
- Toluidine Red Light
- Toluidine Red M 20-3785
- Toluidine Red R
- Toluidine Red RT-115
- Toluidine Red Toner
- Toluidine Red XL 20-3050
- Toluidine Red, Dye content
- Toluidine Toner
- Toluidine Toner Dark 5040
- Toluidine Toner HR X-2700
- Toluidine Toner HR X-2741
- Toluidine Toner L 20-3300
- Toluidine Toner RT-252
- Toluidine red
- Toluidine toner 4R X-2700
- Versal Scarlet PRNL
- Versal Scarlet RNL
- Vulcafor Scarlet A