sichuan tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in china, we have the best quality and price. guarantee high quality, competive price and reliable service.
we fully compliance with iso9001:2008, production and quality management following gmp standards, production plant constructed in accordance with gmp standards. quality control conforms to the standards of pharmaceutical-food cp grade and japan ajinomoto aji, american usp and reagent grade br.
we have kosher and hala certificate.
product name: n-acetyl-l-glutamic acidn-ac-l-glu
cas#: 1188-37-0
synonyms: n-ac-l-glu
molecular formula: c7h11no5
molecular weight: 189.17
specifications: reference standard: aji92
item |
standard |
analysis data |
appearance |
white crystals or crystalline powder |
conforms |
specific rotation[α]20/d (c=2,h2o) |
-14.0°to-17.0° |
-15.4° |
transmittance |
not less than 95.0% |
99.0% |
heavy metal(pb) |
not more than 20ppm |
<10ppm |
iron (fe) |
not more than 10ppm |
8ppm |
arsenic(as2o3) |
not more than 2ppm |
<2ppm |
chloride (cl) |
not more than 0.020% |
0.015% |
sulfate (so4) |
not more than 0.10% |
0.005% |
other amino acids |
chromatographically not detectable |
conforms |
loss on drying |
not more than 0.50% |
0.18% |
residue on ignition |
not more than 0.30% |
0.1% |
assay |
98.0to102.0% |
99% |
ph |
1.7to2.8 |
2.3 |
laboratory picture: