3,4-Dihydro-2-ethoxy-2H-pyran

- Aug 10, 2018 -

1.  Product Name:     3,4-Dihydro-2-ethoxy-2H-pyran  ,  

            Synonyms:    2,3-Dihydro-2-ethoxy-4H-pyran   

2.  CAS103-75-3       EINECS:203-141-8

3.  Structure Formula:

4.MF: C7H12O2 ,  MW:128.17

5.Properties:

BP                                      42 °C16 mm Hg(lit.)

Density                               0.957  at 25 °C(lit.)

Refractive index                 1.439

FP                                       24°C

6. Quality spec:

ITEMSSPECIFICATION
premium gradeFirst grade
AppearanceTransparent colorless liquid
Assay     %     ≥99≥98
moisture content  %≤0.2≤0.3

7.RIDADR :   UN 3271 3/PG 3

8.Use:

As intermediate of sulfadiazine; also used as monomer and material for organic synthesis.

Packing: 180kgs/steel drum