| Model: | - |
|---|---|
| Brand: | baishixing |
| Origin: | Made In China |
| Category: | Chemicals / Pharmaceutical Chemicals |
| Label: | - |
| Price: |
-
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| Min. Order: | - |
| Last Online:05 Dec, 2014 |
Quick Details
Packaging & Delivery
| Packaging Details: | Cartons,25kgs per carton. |
|---|---|
| Delivery Detail: | Within 30 days. |
Specifications
1.L-Pyroglutamic acid
2.CAS# :98-79-3
3.Assay:99%
4.Molecular formula:C5H7NO3
5.Molecular weight:129.11
L-Pyroglutamic acid is white or off-white crystals or crystalline powder,dissolves in water,alcohol,acetone,glacial acetic acid,very slightly soluble in acetic ether,practically insoluble in ether.
Name:L-Pyroplutamic acid
Synonym:(S)-(-)-2-Pyrrolidone-5-carboxylic acid
CAS#:98-79-3
Content:99%min
Molecular formula:C5N7NO3
Molecular weight:129.11
Original place:Chengdu,Sichuan,China.
Supply ability:10000kgs per month.
Specifications:
|
Specific rotation[α]20D |
-10.5°~ -11.9° |
|
Transmittance |
Not less than 95% |
|
Chloride |
Not more than 0.02% |
|
Ammonium |
Not more than 0.02% |
|
Sulfate |
Not more than 0.02% |
|
Iron |
Not more than 10ppm |
|
Heavy metals |
Not more than 10ppm |
|
Arsenic |
Not more than 1ppm |
|
Loss on drying |
Not more than 0.2% |
|
Residue on ignition |
Not more than 0.1% |
|
Chemical name |
(S)-(-)-2-Pyrrolidone-5-carboxylic acid |
|
Molecular formula |
C5H7NO3 |
|
Molecular weight |
129.11 |
|
Assay |
98.5%~100.5% |
