Toluidine Red
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
2425-85-6
Chemical name
Toluidine Red
Molecular formula
C17H13N3O3
Molecular weight
307.3 g/mol
Synonyms
Hansa Red B; Permanent Red 4R; Fast Red R; Toluidine Toner; Independence Red; Helio Fast Red RN; Chromatex Red J; Helio Red Toner; Toluidine Red R; Deep Fastona Red; Fastona Red B; Silosol Red RN
InChIKey
ZLFVRXUOSPRRKQ-UHFFFAOYSA-N
PubChem CID
17047
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H318, H410
Catalog reference cue; confirm supplier documentation before use.
Appearance
Yellowish-red to red powder or solid. (NTP, 1992)
Catalog reference value; verify against supplier SDS before use.
Melting Point
270–272.22 °C
Catalog reference value; verify against supplier SDS before use.
Density
1.37 g/cm³
Catalog reference value; verify against supplier SDS before use.
XLogP
4.8
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.