DL-Pyroglutamic acid |
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Product Name: H-DL-Pyr-OH
CAS#: 149-87-1
Synonyms: DL-Pyroglutamic acid
Molecular Formula: C5H7NO3
Molecular Weight: 129
Specification: (Reference Standard: AJI92)
Items
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Standard
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Analysis data
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Appearance
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White crystalline powder
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Conforms
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Melting Point(ºC)
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180.0 to 182.0ºC
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181.7℃
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Chloride(C1)
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Not more than0.02%
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<0.02%
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Ammonium(NH4)
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Not more than0.02%
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<0.02%
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Sulfate(SO4).
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Not more than 0.02%
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<0.02%
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Heavy metals(Pb)
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Not more than 10ppm
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<10ppm
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Iron(Fe)
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Not more than 10ppm
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<10ppm
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Arsenic(As2O3)
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Not more than 1ppm
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<1ppm
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Loss on drying
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Not more than 0.50%
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0.25%
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Residue on ignition
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Not more than0.1%
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0.09%
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Assay
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98.0-101.0%
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99.24%
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Conclusion
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The product is according with standard.
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