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(S)-(-)-2-Pyrrolidone-5-carboxylic acid CAS NO.98-79-3
- Min.Order: 100 Metric Ton
- Payment Terms: L/C,T/T,MoneyGram,Other
- Product Details
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- 98-79-3
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Quick Details
- ProName: (S)-(-)-2-Pyrrolidone-5-carboxylic aci...
- CasNo: 98-79-3
- Molecular Formula: C5H7NO3
- Appearance: detailed see specifications
- Application: Used for research and industrial manuf...
- DeliveryTime: Within 3-7 days after receipt of your ...
- PackAge: As customer request
- Port: QINGDAO CHINA
- ProductionCapacity: 100 Metric Ton/Day
- Purity: 98%min
- Storage: Store in a cool,dry place and keep awa...
- Transportation: Common products:Sea/Air/Courier Dange...
- LimitNum: 100 Metric Ton
Superiority
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Details
Details
Product Name: L-Pyroglutamic Acid
CAS#: 98-79-3
Synonyms:(S)-(-)-2-Pyrrolidone-5-carboxylic acid
Molecular Formula: C5H7NO3
Molecular Weight: 129
Specification: (Reference Standard AJI92)
|
Item |
Standard |
Analysis data |
|
Appearance |
White crystalline powder |
Conforms |
|
Specific rotation(a)D20 |
-10 to -12o |
-11.6o |
|
Transmittance |
Not less than 98.0% |
98.2% |
|
Melting Point (oC) |
160 to 162 oC |
161oC |
|
Chloride(C1) |
Not more than 0.02% |
0.005% |
|
Ammonium(NH4) |
Not more than 0.02% |
<0.02% |
|
Sulfate(SO4) |
Not more than 0.02% |
<0.02% |
|
Heavy metals(Pb) |
Not more than 10ppm |
<10ppm |
|
Iron(Fe) |
Not more than 10ppm |
5ppm |
|
Arsenic(As2O3) |
Not more than 1 PPM |
<1ppm |
|
Loss on drying |
Not more than 0.50% |
0.35% |
|
Residue on ignition |
Not more than 0.1% |
0.08% |
|
Assay |
99.0-101.0% |
99.8% |
Remark:Easy to moisture-absorbed; store in dry、dark、ventilated place.
