Molecular Formula: C4H11NO3
CAS NO.: 77-86-1
HS Code：2922199090
UN No. ： 1500
Property: White crystal, melting point: 168-171 ℃, soluble in organic solvents such as methanol and acetic acid.
Usage: Biological buffer, organic synthesis intermediate, cosmetic raw materials, pharmaceutical excipients, etc
Level: Pharmaceutical grade, cosmetic grade, reagent grade, industrial grade
Packaging: cardboard barrels lined with plastic bags, with a net weight of 25 kilograms per barrel.
| Tests | Specifications | Results | |
| Appearance | White crystalline powder | Conforms | |
| Assay | ≧99.5% | 99.95 | |
| MP,℃ | 168-171 | 168.3-170.3 | |
| Solubility（40%aq.） | Clear,coloriess solution | Conforms | |
| Heavy Metala | ≤5PPM | Conforms | |
| Water Content% | ≤0.2% | 0.16 | |
| PH value（5%aq.） | 10.0-11.5 | 11.01 | |
| Iron ion | ≤1PPM | Conforms | |
| （SO₄²¯）Sulfate | ≤ 10PPM | Conforms | |
| （CL¯）Chloride | ≤ 3PPM | Conforms | |
| Infrared spectrum | Confirm to reference | Conforms | |
| Ultraviolet absorbance | 260nm(20%aq.) | ≤0.07 | 0.035 |
| 280nm(40%aq.) | ≤0.07 | 0.055 | |
| 400nm(40%aq) | ≤0.02 | 0.012 | |
| 290nm(40%aq) | ≤0.05 | 0.049 | |
| Conclusion | It meets the requirements of specifications | ||
