| Model: | - |
|---|---|
| Brand: | tongsheng |
| Origin: | Made In China |
| Category: | Chemicals / Organic Chemical Materials / Pharmaceutical Chemicals |
| Label: | D-pyroglutamic acid , H-D-Pyr-OH , 4042-36-8 |
| Price: |
-
|
| Min. Order: | - |
| Live Chat: | Last Online:24 Jul, 2019 |
|
Appearance |
White crystals with lumps |
|
Specific rotation[α]D/20 (C=2 in H2O) |
+10.8°to +12.3° |
|
Melting Point (ºC) |
160 to 163 ºC |
|
Chloride(C1) |
Not more than 0.02% |
|
Iron(Fe) |
Not more than 10ppm |
|
Heavy metals(Pb) |
Not more than 10ppm |
|
Arsenic(As2O3) |
Not more than 1ppm |
|
Loss on drying |
Not more than 0.20% |
|
Residue on ignition |
Not more than 0.10% |
|
Assay |
98.0%¡«101.0% |
