m-Cresol Purple
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
2303-01-7
Chemical name
m-Cresol Purple
Molecular formula
C21H18O5S
Molecular weight
382.4 g/mol
Synonyms
Cresol purple; 3-Cresol purple; m-Cresolsulfonphthalein; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl-; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(3-methyl-; 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide; m-Cresolsulfonephthalein; Metacresol Purple; meta-Cresol purple; m-Cresol Purple (Technical Grade); m-Cresol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide; 3,3-Bis(4-hydroxy-2-methylphenyl)-2,1lambda~6~-benzoxathiole-1,1(3H)-dione
InChIKey
OLQIKGSZDTXODA-UHFFFAOYSA-N
PubChem CID
73030
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
Powder; [Alfa Aesar MSDS]
Catalog reference value; verify against supplier SDS before use.
XLogP
3.7
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.