| Meets U.S.P. Requirements |
| Assay (C4H11NO3) | 99.0 - 101.0 % |
| Identification A | Passes Test |
| Identification B | Passes Test |
| Identification C | Passes Test |
| Melting Range | 168 - 172°C |
| pH (1 in 20) | 10.0 - 11.5 |
| Loss on Drying | max. 1.0 % |
| Residue on Ignition | max. 0.1 % |
| Heavy Metals (as Pb) | max. 0.001 % |
| Organic Volatile Impurities | Conforms to USP/NF |
| Endotoxin Concentration (EU/g) | max. 2.5 |
| Meets BP/Ph.Eur. Chemical Specifications |
| Assay (C4H11NO3) (dried basis) | 99.0 - 100.5 % |
| Identification B | Passes Test |
| Identification C | Passes Test |
| Appearance of Solution | Passes Test |
| pH... | 10.0 - 11.5 |
| Related Substances | max. 1.0 % |
| Chloride (Cl) | max. 100 ppm |
| Heavy Metals (as Pb) | max. 10 ppm |
| Iron (Fe) | max. 10 ppm |
| Loss on Drying at 105°C | max. 0.5 % |
| Ash (sulfated) | max. 0.1 % |
| Ultrapure Bioreagent Specifications |
| Assay (C4H11NO3) (dried basis) | min. 99.9 % |
| Absorbance of a 1M Solution: |
| 260 nm | max. 0.06 |
| 280 nm | max. 0.06 |
| 400 nm | max. 0.01 |
| Iron (Fe) | max. 1 ppm |
| Lead (Pb) | max. 1 ppm |