-L Group Amino Acids
-DL Group Amino Acids
-D Group Amino Acids
-APIs
-Acetyl Amino Acids
-Alkamines
-Amino Acids Amides
-Other Amino Acids and derivatives
-peptide series products
-Protected Amino Acids
-Amino Acid Esters
Position: Home -> Products -> L Group Amino Acids
L-Pyroglutamic Acid CAS:98-79-3<< BACK
ItemLimit
Iron (Fe) 10ppm Max
Heavy Metals (Pb) 10ppm Max
Specific Rotation [a]D20o -10.8º~ -12.5º
Arsenic (As2O3) 1ppm Max
Loss on Drying 0.5% Max
Residue in Ignition 0.1% Max
Assay 98.5% to 101%
Appearance White crystalline powder
Transmittance98.0%Min
PH1.8 to 2.5
Melting point 159 to 161.5íŠ

Copyright @ (2000-2008) Donboo Amino Acid Co.,Ltd. All rights reserved.
ADD: RM408 Hui Long Xin Chen Business Center, #106 Mid Zhong Xiu RD, Nantong, Jiangsu, China
TEL:0086-513-85517829 85515040 13063595538 FAX:0086-513-85515040 E-mail:donboo@donboo.com MSN:donboo@hotmail.com