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0507 DL-Pyroglutamic acid |
中文名字: DL-焦谷氨酸
Product Name:DL-Pyroglutamic acid
Synonyms:(±)-2-Pyrrolidone-5-carboxylic acid
Molecular Formula:C5H7NO3
CAS #:149-87-1
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Test Items |
Standard |
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Appearance |
White fine crystals |
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Assay |
98.0 to 101.0% |
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Specific Rotation [α]20/D |
°~° |
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Melting point |
182-185 °C |
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Chloride (Cl) |
Not more than 0.10% |
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Heavy Metals (Pb) |
Not more than 10 PPM |
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Loss on Drying |
Not more than 0.20% |
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Residue on Ignition (Sulfate) |
Not more than 0.20% |
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