Glycine
SIAL/94119 - analytical standard, for nitrogen determination according to Kjeldahl method
Synonym: 2-Aminoacetic acid; Aminoacetic acid; Aminoethanoic acid; Glycocoll
CAS Number: 56-40-6
Empirical Formula (Hill Notation): C2H5NO2
Molecular Weight: 75.07
EC Number: 200-272-2
MDL Number: MFCD00008131
Linear Formula: NH2CH2COOH
Product Type: Chemical
| analyte chemical class(es) | amino acids, peptides, proteins |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| application(s) | food and beverages |
| assay | ≥99.0% |
| cation traces | NH4+: ≤200 mg/kg |
| format | neat |
| grade | analytical standard |
| impurities | 18.6%±0.2% total nitrogen acc. to Kjeldahl |
| InChI | 1S/C2H5NO2/c3-1-2(4)5/h1, |
| InChI key | DHMQDGOQFOQNFH-UHFFFAOYSA |
| loss | ≤0.05% loss on drying |
| mp | 240 °C (dec.) (lit.) |
| pKa (25 °C) | (1) 2.35, (2) 9.60 |
| 2.35 | |
| Quality Level | 100  |
| SMILES string | NCC(O)=O |
| solubility | 1 M HCl: 75 mg/L, clear, colorless (2.252g in 30mL) |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| titration: suitable |
| Application: | It can be used as an analytical standard to: • Evaluate Kjeldahl′s procedure to determine total protein content of reference standards used in clinical laboratories. • Analyze beer and wine for their protein and total usable nitrogen using a microwell ninhydrin assay. • Compare Kjeldahl and Dumas methods for routine analysis of dairy products in an interlaboratory study. • Simultaneously determine total phosphorus and total Kjeldahl nitrogen in surface water samples. • Quantitatively determine nitrate in surface waters using Valdetrama method. • Measure low level Kjeldahl nitrogen using an AutoAnalyzer. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| Biochem/physiol Actions: | Inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors. |
| Features and Benefits: | • Available in a neat format in a secure glass bottle to ensure its stability for the entire shelf life until opened. • High-quality offering accurate titer determinations |
| General description: | The glycine standard is produced under stringent conditions and measured with the highest possible precision. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Purity | ≥99.0% |
| mp | 240 °C (dec.) (lit.) |
| UNSPSC | 12352209 |