Our company is located in Deyang, a typical city of Sichuan - with beautiful scenery and mild climate. It occupies a total area of 16, 000 square meters.
We are a specialized....

Appearance
Faintly greenish-yellow clear viscous liquid
Specific Rotation [ 20/ D]
( C= 2 in ethanol)
-17Â ¡ Ã € 1 Degree
IR Spectrum
In accordance with structure
Flash Point
85 DegreeF....

Appearance
White powder
IR Spectrum
In accordance with structure
Specific Rotation [ 20/ D]
( C= 1 in acetic acid)
-6.0 to -5.0 & ordm;
Melting Point ( Celsius Degree)
69 to 71Â ¡ Ã ¦ ....

Appearance
White powder with lumps
IR Spectrum
In accordance with structure
Related Substance ( TLC)
One spot
Specific Rotation [ 20/ D]
( C= 2 in Acetic Acid)
+ 20.0 to + 22.0 Degree ....

Appearance
White powder
IR Spectrum
In accordance with structure
Loss on Drying
Not more than 0.50%
Assay
97.5% to 102.5%

Appearance
White powder with lumps
Specific Rotation [ 20/ D]
( C= 2 in 6N HCl)
+ 29Â ¡ Ã € 2& ordm;
IR Spectrum
In accordance with structure
Related Substance ( TLC)
One spot
Melting Point ....

Appearance
White powder
State of Solution ( Transmittance)
Not less than 95.0%
Chloride ( Cl)
Not more than0.02%
Heavy metal( Pb)
Not more than 15ppm
Arsenic( As2O3)
Not more than....

Appearance
White crystals or crystalline powder
Specific rotation[ Â ¦ Ã � ] 20/ D
( C= 10 in 2N HCl)
+ 31.5 to + 32.4Â ¡ Ã £
State of solution
( Transmittance)
Clear and colorless not less than....

Appearance
White crystals with lumps
Specific rotation[ Â ¦ Ã � ] D/ 20
( C= 2 in H2O)
+ 10.8Â ¡ Ã £ to + 12.3Â ¡ Ã £
Melting Point ( & ordm; C)
160 to 163 & ordm; C
Chloride( C1)
Not more than 0.02% ....

Appearance
White crystalline powder
Specific rotation( a) D20
( C= 5 H2O)
-10.0 to -11.5& ordm;
Chloride( C1)
Not more than 0.02%
Ammonium( NH4)
Not more than 0.02%
Sulfate( SO4)
Not more....