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CIPDB › China Industry › Chemicals › Other Chemicals

Dl-Pyroglutamic Acid CAS No 149-87-1 Dl-Proline¹

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Other Chemicals Dl-Proline Dl-Pyroglutamic Acid

HENAN KINGWAY TECHNOLOGY CO., LTD.

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Product Description analytical certification of product Product Name: DL-Pyroglutamic Acid CAS#: 149-87-1 Molecular Formula: C5H7NO3 Molecular Weight:129.11 Batch No: TR20211029 Manufacturing date: Oct.29.2021 Re-test date: Oct.28.2023 Country of Origin: China ItemLimitResultsAppearanceWhite crystalline powderWhite crystalline powderAssay99.0%-101.0%99.03%Specific rotation(a)D20(C=2, H2O )-0.3°to 0.30°Ammonium (NH4)NMT 0.02%< 0.02%Sulfate(SO4)NMT 0.1%< 0.1%Heavy metals (as Pb)NMT 10 ppm<10 ppmIron (Fe)NMT 10 ppm8 ppmArsenic (As2O3)NMT 1 ppm<1 ppmLoss on dryingNMT 0.50%0.39%Residue on ignitionNMT 0.1%0.08%RemarksStore in well closed container and in dry and cool place

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