| Certificates/Standards: | N; |
| Monthly Output: | Not provided |
| Regional: | china |
| Packaging Information: | Not provided |
| Mode Of Payment: | Not provided |
| Delivery Lead Time: | Not provided |
| Main Sales Markets: | North America，Central/South America，Western Europe，Eastern Europe，Australasia，Asia，Middle East，Africa |
| Sample Provided: | No |
| Sample Policy: | Not provided |
| Minimum Quantity: | Not provided |
Product name:L- tyrosine
Molecular Formula:C9H11NO3
Molecular weight:181.19
CAS:60-18-4
Molecular Structure:
Appearance:White crystals or white powder
Function:
It's an essential amino acid for generating adrenal hormones, thyroid hormones and melanin
It can prevent Alzheimer's disease
Promote metabolism, increase appetite
Treat ulcers and other chronic diseases, neurological inflammation and dysplasia
It has a relationship with the pigment formation, albinos will take place when lack of it.
Application:
It can be used in medicine treating hyperthyroidism. It is also an important biochemical reagents, and the main raw material to synthetic peptide hormones, antibiotics, L-dopa and other drugs;
It can be used as food additives;
It is widely used in agriculture research, and can be used as for the preparation of artificial additives and beverages insects feed.
Quality standard: 1992 Edition / USP 25 edition/Chinese Pharmacopoeia 2000 edition/food grade
Inspection items
Specification (AJI)
Specification
USP 25
Specification
CP2000
Specification
food grade
Appearance
White crystals or white powder
Appraisal
Measured by infrared absorption spectroscopy instruments
Specific rotation
-11.3°- -12.1°
-9.8°- -11.2°
-11.3°- -12.1°
-11.3°- -12.3°
Dissolution conditions
≥95.0%
---
≥95.0%
---
Chlorine content
≤0.020%
≤0.04%
≤0.02%
---
Ammonium salt(NH4)
≤0.02%
---
≤0.02%
---
Sulfate (SO4)
≤0.020%
≤0.04%
≤0.02%
---
Iron (Fe)
≤10PPm
≤30PPm
≤10PPm
---
Heavy metal (Pb)
≤10PPm
≤15PPm
≤10PPm
≤30PPm
Lead
---
---
---
≤10PPm
Arsenic (As2O3)
≤1PPm
---
≤1PPm
≤1.5PPm
Other amino acids
Standard compliant
---
≤0.4%
---
Loss on drying
≤0.20%
≤0.3%
≤0.2%
≤0.3%
Residue on ignition (sulfated)
≤0.10%
≤0.4%
≤0.1%
≤0.1%
Content
99.0-100.5%
98.5-101.5%
≥98.5%
98.5-101.5%
PH value
5.0-6.5
---
5.0-6.5
---
Volatile organic
compounds
---
Standard compliant
---
---
Package and storage:25 kg / drum, lined with two layers of film bag; stored in airtight container at room temperature control.
Shelf life:2 years.
沪公网安备31010402001403号
