Methyl Blue
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
28983-56-4
Chemical name
Methyl Blue
Molecular formula
C37H28N3Na2O9S3+
Molecular weight
800.8 g/mol
Synonyms
Helvetia Blue; Acid Blue 93; C.I. Acid Blue 93; C.I. 42780; Benzenesulfonic acid, ((4-(bis(4-((sulfophenyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)amino)-, sodium salt (1:2); Benzenesulfonic acid, ((4-(bis(4-((sulfophenyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)amino)-, disodium salt; Benzenaminium, N-(4-(bis(4-((4-sulfophenyl)amino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)-4-sulfo-, inner salt, sodium salt (1:2); C.I. Acid Blue 93, disodium salt; Ink Blue; Soluble Blue; Helvetia Blue I; Ink Blue Special
InChIKey
MCPLVIGCWWTHFH-UHFFFAOYSA-M
PubChem CID
76956083
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
Appearance
Dark-blue powder; [Hawley]
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.