White Crystalline N-Acetyl-L-Cysteline Powder Cas 616-91-1

ProductName:N-Acetyl-L-Cysteine

Quantity:5000kgs

Batch No: 20220825

Producing date: 20220825

Sampling date: 20220828

Send out date: 20220828

Reference standard: AJI92

Package: 25kg/drum

Expiry date: 2024.08.24

Item

Specifications

Test  Results

Specific optical rotation[a]_D^20°

+21.3^o ~ +27.0 ^o

+23.6^o

State of solution (Transmittance)

Not less than 98.0%

98.6%

Assay

98.5%~101.0%

99.10%

Heavy metals(Pb)

Not more than 10ppm

2ppm

Chloride (Cl)

Not more than 0.04%

0.030%

Ammonium (NH₄)

Not more than 0.02%

0.010%

Sulfate (SO₄)

Not more than 0.030%

0.012%

Iron (Fe)

Not more than 20ppm

2ppm

Arsenic (As2O3)

Not more than 1ppm

0.5ppm

Loss on drying     

Not more than 3%

2.9%

Residue on ignition

Not more than 0.2%

0.12%

PH

2.0~2.8

2.5

Melting point

106°to110°

pass

Other amino acids

Chromatographically not detectable  

Qualified

Conclusion: This product complies with AJI92 standard.