CAS 638-10-8 | Ethyl 3,3-dimethylacrylate

Identification

A.H-NMR:Comply with the structure

Complies

B.LC-MS:Comply with the structure

Complies

C.The IR spectrum of sample should be   identical with that of reference standard.

Complies

D.HPLC-ESI-MS
  The retention time of the major peak in the chromatogram of the Assay   preparation corresponds to that in the chromatogram of the
  Standard preparation, as obtained in the Assay.

Complies

Heavy metals

≤10 ppm

<10ppm

Water

≤1.0%

0.1%

Sulphated ash

≤0.5% determined on 1.0 g.

0.009%

Residue on ignition

≤0.1%

0.03%

Related Substances

Unspecified impurities: for each impurity

≤0.10%

<0.10%

Total Impurities

≤0.5%

0.18%

Purity

≥99.0%

99.7%

Assay

99.0%~101.0% (anhydrous substance).

99.8%

Storage

Preserve in well-closed,   light-resistant and airtight containers.

Complies