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D-Pyrrolidine-2-carboxylic acid 344-25-2 CAS NO.344-25-2
- FOB Price: USD: 1.00-2.00 /Metric Ton Get Latest Price
- Min.Order: 5 Metric Ton
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- D-Pyrrolidine-2-carboxylic acid 3
- D-Proline
- 344-25-2
Quick Details
- ProName: D-Pyrrolidine-2-carboxylic acid 344-25...
- CasNo: 344-25-2
- Molecular Formula: C5H9NO2
- Appearance: White Powder
- Application: Vitamins, Amino Acids and Coenzymes
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2500 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 5 Metric Ton
- Cas: 344-25-2
- Molecular Formula: C5H9NO2
Superiority
| Name | Proline | |
| Synonyms | D-(+)-Proline; D-Pyrrolidine-2-carboxylic acid | |
| Molecular Structure | ||
| Molecular Formula | C5H9NO2 | |
| Molecular Weight | 115.13 | |
| CAS Registry Number | 344-25-2 | |
| EINECS | 206-452-7 | |
| Properties | ||
| Melting point | 223 ºC | |
| alpha | 84.75 º (c=4, H2O) | |
| Water solubility |
soluble >1000 g/L (20 ºC) |
|
Details
|
Item |
Specification |
|
Specific rotation |
+39.5 to +41.5° |
|
State of solution(transmittance) |
Clear 98.0% min. |
|
Chloride[cl] |
0.020% max. |
|
Ammonium [NH4] |
0.02% max. |
|
Sulfate[SO4] |
0.020% max |
|
Iron[Fe] |
10ppm max. |
|
Heavy metals [Pb] |
10ppm max |
|
Arsenic[As2O3] |
1ppm max |
|
Other amino acids |
Chromatographically not detectable |
|
Loss on drying |
0.20% max. |
|
Residue on ignition[sulfated] |
0.10% max. |
|
Assay |
99.0% min |