D-Aspartic Acid

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INTRODUCTION

Parameters

Product Name	D-Aspartic acid
CAS No.	1783-96-6
Molecular Weight	133.10
Molecular Formula	C₄H₇NO₄
Structural Formula
Quality Standard	AJI92
Packing	25kg paper drum with inner PE bag
Shelf Life	24 Months, Keep in cool and dry place,Protecte from light
Items	Standards
Appearance	White crystals or crystalline powder
Assay	98.5%~101.0%
Specific Rotation [a]_D²⁰	-24.0°~ -26.0°
Transmittance	≥98.0%
PH	2.5 ~ 3.5
Loss on Drying	≤ 0.20 %
Residue on Ignition	≤0.10%
Chloride(Cl)	≤0.02%
Ammonium (NH₄⁺)	≤0.02%
Sulfate(SO₄^2-)	≤0.02%
Iron (Fe)	≤10 PPM
Heavy Metals	≤10 PPM
Lead (Pb)	≤3 PPM
Arsenic (As)	≤1 PPM
Cadmium (Cd)	≤1 PPM
Mercury (Hg)	≤0.1 PPM
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