今天是：
  Welcome To www.zhychem.com
 

 

 
 
Products
 
2，3—Dihydrofuran
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
2，5—Dihydrofuran
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
3,4-2H-Dihydropyran
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
Tetrahydropyran
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
4-Hydroxycoumarin?
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      
Chlorotributylstannane
Name   Structure
formula   Boiling point  
 
Density   Refracted rate   Assay ≥97.0% ,
Flash Point   CAS  
Apperance   Package   Usage  

Copyright (C) 2001 http://www.zhychem.com/ All Rights Reserved

Email: along@nankai.edu.cn Tel:86-22-23503668 Fax:86-022-23503668