3-Methyl-2-pyrazolin-5-one
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
108-26-9
Chemical name
3-Methyl-2-pyrazolin-5-one
Molecular formula
C4H6N2O
Molecular weight
98.1 g/mol
Synonyms
3-Methyl-5-pyrazolone; 3-Methyl-1H-pyrazol-5(4H)-one; 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-; 2,4-Dihydro-5-methyl-3H-pyrazol-3-one; EC 203-565-3; 1H-PYRAZOL-3-OL, 5-METHYL-; 3-METHYL-1H-4,5-DIHYDROPYRAZOL-5-ONE; 3-methyl-4,5-dihydro-1H-pyrazol-5-one; 5-Methyl-2,4-dihydro-3H-pyrazol-3-one; 3-Methyl-pyrazolon-(5); 2-PYRAZOLIN-5-ONE, 3-METHYL-; 3-Methyl-pyrazolon-(5) [German]
InChIKey
NHLAPJMCARJFOG-UHFFFAOYSA-N
PubChem CID
7920
No GHS reference data is available in the current MolGraph catalog record.
Appearance
Form: Crystal - Powder / Colour: White - Slightly pale yellow
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.