L-Pyroglutamic acid CAS NO.98-79-3

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.
2. Now we have established long-term stable relations of cooperation with the pharmaceutical enterprises of Europe.
3.Well-trained and professional technologist and sales with rich experience in the field for 5-10 years.
4.TAA exported this product to many countries and regions at best price in China.
5.Leading manufacturer and supplier of chemicals in China.
6.Professional suppliers from China.
7.Factory offer.

Looking to the future, we will adhere to the spirit of “professional, innovative, integrity, development”, and adhere to the management philosophy of “customer-orientation and pursing development via integrity” and through which to provide customers with first-class products and service. We sincerely welcome friends both at home and abroad to visit our company and hope to achieve win-win cooperation with you!

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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℃