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L-Pyroglutamic acid 98-79-3
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| Model No.︰ | 98-79-3 |
| Brand Name︰ | tongsheng |
| Country of Origin︰ | China |
| Unit Price︰ | - |
| Minimum Order︰ | 1 pc |
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Appearance
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White crystalline powder
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Specific rotation(a)D20
(C=5 H2O)
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-11.0 to -12.0º
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Chloride(C1)
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Not more than 0.02%
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Ammonium(NH4)
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Not more than 0.02%
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Sulfate(SO4)
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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(Fe)
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Not more than 10ppm
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Arsenic(As2O3)
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Not more than 1 PPM
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Loss on drying
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Not more than 0.5%
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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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99.0-101.0%
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Product Image
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