CAS: 50-00-0 Molecular Formula: CH2O Molecular Weight (g/mol): 30.03 MDL Number: MFCD00003274 InChI Key: WSFSSNUMVMOOMR-UHFFFAOYSA-N Synonym: formalin,methanal,formol,methylene oxide,paraformaldehyde,oxomethane,paraform,formic aldehyde,oxymethylene,methyl aldehyde PubChem CID: 712 ChEBI: CHEBI:16842 IUPAC Name: formaldehyde SMILES: C=O