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SPECIFICATION
Product Name: L-Arginine Base USP/AJI
CAS No.: 74-79-3
Chemical Name and Synonyms:
2-Amino-5-guanidinovaleric acid; 2-Amino-5-guanidinopentanoic acid; Arg; Arginine; L-Arginine; L-(+)-Arginine;
Item | Specifications (USP) | Specifications (AJI) |
Description | White crystals or crystalline powder | White crystals or crystalline powder |
Identification | Infrared absorption spectrum | Infrared absorption spectrum |
Specific rotation | +26.3 °- +27.7° | +26.9 °- +27.9° |
State of solution | --- | ≥ 98.0% |
Chloride (Cl) | ≤ 0.05% | ≤ 0.020% |
Ammonium (NH4) | --- | ≤ 0.02% |
Sulfate (SO4) | ≤ 0.03% | ≤ 0.020% |
Iron (Fe) | ≤ 0.003% | ≤ 10PPm |
Heavy metals (Pb) | ≤ 0.0015% | ≤ 10PPm |
Arsenic (As2O3) | --- | ≤ 1PPm |
Other amino acids | --- | Chromatographically not detectable |
Loss on drying | ≤ 0.5% | ≤ 0.5% |
Residue on ignition | ≤ 0.3% | ≤ 0.10% |
Assay | 98.5-101.5% | 99.0-101.0% |
PH | --- | 10.5-12.0 |
Organic volatile impurities | Meets the requirements | --- |
Packaging and Storage: In 25kgs fiber drum, double polyethylene bags inside; Preserve in well-closed containers, at controlled room temperature.
Shelf life: 2 year.
* Delivery Time.
We need 1-2 days to process your order before shipping.There are two shipping methoed. Fast Delivery: The delivery time for US, European countries the delivery will take 3-5 days.Slow Delivery: The delivery time for US, European countries the delivery will take 10-15 days.
* Tracking information.
After we ship package, customer receive automatic email with tracking details.
* Lost Package Policy.
If a package did not arrive in 4 weeks after the shipping date, then this package is treated as Lost. In this case a new package will be shipped to the customer provided we are able to give the same items as those purchased by the customer. If we are not able to provide the same items to substitute the lost ones we will either propose to the customer similar items or refund their cost as it will be mutually agree with the customer. If one or more items neither the same nor similar are available to be shipped, the customer can request to cancel the order entirely, thus the total cost of the order including shipping and handling cost will be fully refunded.
