CAS No.: | 98-79-3 |
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Other Names: | |
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EINECS No.: | |
Place of Origin: | |
Grade Standard: | Food Grade,Medicine Grade,Tech Grade |
Usage: | |
Brand Name: | |
Model Number: | |
Purity: |
Quick Details
Specifications
Product Name: L-Pyroglutamic Acid Cas No.: 98-79-3
supplier: premium ingredient co.,ltd
supplier: premium ingredient co.,ltd
Appearance: White crystalline powder Quality Standard: enterprise standard
Test item
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specifications
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Specific rotation
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-11.0º to –12.0º
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Melting point
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158ºC to 161 ºC
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chloride
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Not more than 0.02%
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Ammonium
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Not more than 0.02%
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Sulfate
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Not more than 0.02%
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Heavy metals (Pb)
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Not more than 10ppm
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Iron
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Not more than 10ppm
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Arsenic
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Not more than 1ppm
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Loss on drying
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Not more than 0.50%
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Residue on ignition
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Not more than 0.1%
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Assay
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98.5% to 101.0%
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Storage: Preserve in well-closed containers, and store at controlled room temperature.