D-pyroglutamic acid 4042-36-8

D-pyroglutamic acid 4042-36-8
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
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Product Description

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%



D-pyroglutamic acid 4042-36-8 1

Member Information

Sichuan Tongsheng Amino acid Co., Ltd
Country/Region:Si chuan - China
Business Nature:Manufacturer
Phone:13981077607
Contact:Ronghu Chen (Maketing Manager)
Last Online:24 Jul, 2019