- Min.Order :1 Metric Ton
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
L-Pyroglutamic acid 98-79-3 Pyroglutamic
Quick Details
- Appearance:white powder
- Application:pharmaceutical intermediates,biochemical study,life sciences
- PackAge:Cartons,25kgs per carton
- ProductionCapacity:1000|Metric Ton|Year
- Storage:store in cool, ventilated place
- Transportation:by sea
Superiority:
1.Doing amino acid for 13 years .The stable process and advanced technology can provide high quality product
2.we can offer you very Competitve price
3.Good after-sale service
|
Test Item |
Specification |
Test Result |
|
Appearance |
White to off-white powder |
White powder |
|
Specific rotation |
-10.5°～ -12.3° |
-11.64° |
|
Transmittance |
≥98.0% |
99.2% |
|
Chloride(Cl) |
≤0.02% |
<0.02% |
|
Ammonium(NH4+) |
≤0.02% |
<0.02% |
|
Sulphate(SO42-) |
≤0.02% |
<0.02% |
|
Iron(Fe) |
≤10ppm |
<10ppm |
|
Residue on ignition |
≤0.10% |
0.05% |
|
Heavy metal(Pb) |
≤10ppm |
<10ppm |
|
Arsenic |
≤1ppm |
<1ppm |
|
Water(by KF) |
≤1.0% |
0.37% |
|
Assay |
98.5~100.5% |
99.59% |
|
Melting point |
159~162℃ |
160-161℃ |
Details:
Chengdu Baishixing Science and Technology Industry Co.,Ltd
- Year Established :2003
- Location: an national ecology example county in Pujiang, Chengdu,Sichuan Province.
- Main products:We have 5 series of products(protected amino acids,amino acids derivatives,peptides, plants amino acids and heterocycle chemical compounds) and over 80 kinds so far.Output is over 300 ton per year.
|
Item |
Standard |
Item |
Standard |
|
Specific rotation |
-10.5°to -11.9° |
Transmittance |
/ |
|
Assay |
98.5to100.5% |
Sulphate SO42- |
≤0.02% |
|
Ammonium NH4+ |
\ |
Iron(Fe) |
≤10ppm |
|
Heavy metal(Pb) |
≤10ppm |
Arsenic |
≤1ppm |
|
Residue on ignition |
0.1% |
Loss on drying |
≤0.2% |
|
Melting point |
+160°C to +162°C |
Chloride(Cl) |
≤0.02% |
Application:it can be used as intermediates in organic synthesis, food additive, etc
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