4-Methylpropiophenone CAS NO.5337-93-9

Product Name:

4-Methylpropiophenone

CAS NO:

5337-93-9

EINECS:

226-267-5

Molecular Formula:

C??H??O

Molecular Weight:

148.2

Melting Point:

7.2 °C

Boiling Point:

238-239 °C(lit.)

Density:

0.993 g/mL at 25 °C(lit.)

Appearance:

Light yellow liquid

Item

Standard

Results

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

Loss on drying

≤2.0%

Conforms

Heavy metals

≤10 ppm

Conforms

Residue on ignition

≦0.1%

Conforms

Single impurity:≤0.10%

0.05%

Total Impurities:≤0.5%

≤0.1%

Purity

≥99.0%

Conforms

Assay

99.0%~102.0%

Conforms

Storage

Sealed in dry,Room Temperature

CONCLUSION

The specification complies with enterprise stanard