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| L-Proline |
|
| Chemical Name£º |
H-Pro-OH~(S)-Pyrrolidine-2-carboxylic
acid |
|
Structure Formula£º
|
 |
|
Molecular Formula£º
|
C5H9NO2 |
|
Molecular Weight£º
|
115.13
|
|
Cas No£º
|
[147-85-3] |
|
Characteristics£º
|
White crystalline
powder |
|
Quality
Standards£º
|
AJI97 |
| Item |
Specification
(AJI97) |
| Appearance |
White
crystals or crystalline powder |
| Assay,% |
99.0~101.0 |
| Specific
Rotation |
-84.5¡ã~-86.0¡ã
|
| pH
value
|
5.9~6.9 |
| Loss on drying,%
|
¡Ü0.3 |
| Heavy Metals
(as Pb),% |
¡Ü0.001 |
| Residue on
Iginition,% |
¡Ü0.1 |
| Arsenic (as
As),% |
¡Ü0.0001 |
| Chloride,% |
¡Ü0.02 |
| Amonium(NH4),% |
¡Ü0.02 |
| Sulfate(SO4),% |
¡Ü0.02 |
| Iron
(Fe),% |
¡Ü0.001 |
| Other amino
acids |
Not
detd. |
|
|
The
Characteristics and Uses£º
|
¡¡ |
|
Package
and Transport£º
|
With round paperboard
drum 25kgs per drum. |
|
Storage£º
|
Kept in a light-proof,
well-closed, dry and cool place. The expiry date is for two years. |
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