| Name |
2,3-dihydrofuran |
Structure |
|
| Formula |
C4H6O |
Boiling point |
54-55℃ |
| |
| Density |
0.927 g/ml |
Refracted rate |
1.4230 |
Assay |
≥99.0% ,Moisture ≤ 0.3% ,THF
≤ 0.3% |
| Flash Point |
-16℃ |
CAS |
1191-99-7 |
| Apperance |
colorless liquid |
Package |
180kg |
Usage |
Medicine Intermedia |
| Name |
2,5-dihydrofuran |
Structure |
|
| Formula |
C4H6O |
Boiling point |
66-67℃ |
| |
| Density |
0.927 g/ml |
Refracted rate |
1.4230 |
Assay |
≥97.0% ,Moisture ≤ 0.3% ,THF
≤ 0.3% |
| Flash point |
-24℃ |
CAS |
1708-29-8 |
| Apperance |
colorless liquid |
Package |
180kg |
Usage |
Medicine Intermedia |
| Name |
3,4-2H-dihydropyran |
Structure |
|
| Formula |
C5H8O |
Boiling point |
86℃ |
| |
| Density |
0.9222 g/ml |
Refracted rate |
1.4410 |
Assay |
≥98.0% ,Moisture ≤ 0.3% ,Tetrahydropyran
≤ 1.0% |
| Flash point |
-15℃ |
CAS |
110-87-2 |
| Apperance |
colorless liquid |
package |
160kg |
Usage |
Medicine intermedia |
| Name |
tetrahydropyran |
Structure |
|
| |
C5H10O
|
Boiling point |
88℃ |
| |
| Density |
|
|
|
Assay |
≥99.0% ,Moisture≤ 0.2% ,Dihyropyran
≤ 1.0% |
| Flash Point |
℃ |
CAS |
142-68-7 |
| Apperance |
colorless liquid |
package |
160kg |
Usage |
Medicine Intermedia |
| Name |
4-Hydroxycoumarin |
|
|
Structure |
|
| Formula |
C9H6O3 |
|
|
| Molecular weight |
162.14 |
Melting point |
210-215 °C |
| CAS |
1076-38-6 |
|
|
Assay |
>98% |
| |
|
|
|
| Apperance |
white Powder |
Package |
|
|
|
2-0(1,2-benzisoxazol-3-yl)acetic acid |
| Name |
2-0(1,2-benzisoxazol-3-yl)acetic acid |
|
|
Structure |
|
| Formula |
C9H7NO3 |
|
|
| Molecular weight |
177 |
Melting point |
123-126℃ |
| CAS |
4865-84-3 |
|
|
Assay |
>99% |
| |
|
|
|
| Apperance |
white Powder |
Package |
|
|
|
| Name |
|
Structure |
|
| formula |
|
Boiling point |
|
| |
| Density |
|
Refracted rate |
|
Assay |
≥97.0% , |
| Flash Point |
|
CAS |
|
| Apperance |
|
Package |
|
Usage |
|
|