Sichuan Tongsheng Amino acid Co., Ltd
L-Pyroglutamic acid
L-Theanine
L-Prolinamide

Products
D-Glutamic acid

Product Name: H-D-Glu-OH
CAS#: 6893-26-1
Synonyms: D-Glutamic acid
Molecular Formula: CsH9NO4
Molecular Weight: 147.13
Specifications: (Reference standard: AJI92)

Item

Standard

Analysis data

Appearance

White powder

conforms

Specific rotation[α]20/D
(C=10 in 2N HCl)

-31.0 to -32.2 Degree

-31.52°

State of solution

Clear and colorless

conforms

Chloride (Cl)

Not more than 0.10%

0.015%

Heavy metal(Pb)

Not more than 10ppm

<10ppm

Arsenic(As2O3)

Not more than 2ppm

<2ppm

Loss on drying

Not more than 0.20%

0.12%

Residue on ignition(sulfated)

Not more than 0.20%

0.07%

Assay

98.0 to101.0%

99.2%

Conclusion

The product is according with standard.


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