|
Products
|
|
|
|
|
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
≤ 1.5%
|
|
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
|
|
|
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|