1003-83-4

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1003-83-4 Structure

Identification	Back Directory
[Name] 4,7-Dihydro-2,2-diMethyl-1,3-dioxepin
[CAS] 1003-83-4
[Synonyms] NSC 693424 Gadobutrol Impurity 29 4,7-Dihydro-2,2-diMethyl-1,3-dioxepin 2,2-Dimethyl-1,3-dioxacyclohept-5-ene 2,2-DiMethyl-4,7-dihydro-1,3-dioxepine 4,7-Dihydro-2,2-dimethyl-1,3-dioxepine 1,3-Dioxepin, 4,7-dihydro-2,2-dimethyl- 2,2-dimethyl-4,7-dihydro-2H-1,3-dioxepine 2,2-Dimethyl-4,7-dihydro-2H-[1,3]dioxepin 2,2-Dimethyl-1,3-dioxacyclohept-5-ene ISO 9001：2015 REACH
[Molecular Formula] C7H12O2
[MDL Number] MFCD22054122
[MOL File] 1003-83-4.mol
[Molecular Weight] 128.169

Chemical Properties	Back Directory
[Boiling point ] 147°C(lit.)
[refractive index ] 1.4450 to 1.4490
[form ] Colourless Liquid
[color ] Colorless to Almost colorless

Safety Data	Back Directory
[Symbol(GHS) ] GHS07
[Signal word ] Warning
[Hazard statements ] H302-H315-H319-H335
[Precautionary statements ] P261-P305+P351+P338
[HS Code ] 2932990090

Hazard Information	Back Directory
[Uses] 4,7-Dihydro-2,2-dimethyl-1,3-dioxepin is an intermediate in the synthesis of Calcobutrol (C145700), a new macrocyclic polyhydroxylated gadolinium chelate derivative which can be used as a contrast agent for Magnetic Resonance Imaging (MRI).

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