Metformin
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
657-24-9
Chemical name
Metformin
Molecular formula
C4H11N5
Molecular weight
129.16 g/mol
Synonyms
1,1-Dimethylbiguanide; N,N-dimethylimidodicarbonimidic diamide; Metiguanide; Dimethylbiguanide; Metformine; N,N-Dimethylbiguanide; Metformina; N1,N1-Dimethylbiguanide; N,N-Dimethyldiguanide; Diaformin; Dimethylbiguanid; Metformin extended release
InChIKey
XZWYZXLIPXDOLR-UHFFFAOYSA-N
PubChem CID
4091
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302
Catalog reference cue; confirm supplier documentation before use.
Appearance
Solid
Catalog reference value; verify against supplier SDS before use.
Melting Point
223–226 °C
Catalog reference value; verify against supplier SDS before use.
pKa
12.4
Catalog reference value; verify against supplier SDS before use.
XLogP
-1.3
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.