Aspartame

Product

Aspartame

CAS No.

22839-47-0

Molecular Formula

C₁₄H₁₈N₂O₅

Structural Formula

Molecular Weight

294.31

Quality Standard

FCCVI, EP, BP, USP32-NF27, E955

Packing

25kgnet weight with inner package of food used film bag in fiber drum

Shelf Life

2 years, Store under dry and cool condition, and keep product air-tight

Specification

Standard

Identification

IR Absorption: Should be per ref. standard

Solubility

Partially or slightly soluble in water and ethanol, practically insoluble in hexane and methylene chloride.

Appearance of solution

the solution should be clear with staining not more intense than that of the standard solution.

Assay(On dry basis)

98.00-102.00%

Taste

Pure

Specific Rotation

+14.50°~+16.50°

Conductivity

≤30μs/cm

pH

4.50-6.00

Transmittance

≥95.0%

Loss on drying

≤4.50%

Residue on ignition

≤0.20%

5-benzyl-3,6-dioxo-2-piperazineacetic acid

L-Phenylalanine

Sum of impurities other than A and C

≤1.5%

≤0.5%

≤1.5%

Chromatographic purity

≥98%

Organic volatile impurities

Conform to USP

Infrared spectroscopy

Meet the requirements

Heavy metals(as Pb)

≤10ppm

Arsenic

≤3ppm

Lead

≤1ppm

Pesticides

Negative

Aflatoxins                                                            

Negative

Sulfites

Negative