Changzhou Comwin Fine Chemicals Co., Ltd.
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Appearance
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White to off-white powder
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Related Substances (%)
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Ordinary impurity, TLC: NMT 1.0%
Guanine NMT 0.7%
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Melting point
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72-80 ℃
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Optical rotation
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+13° ~+17°
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Percentage of Propanediol
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13.6% ~ 16.6%
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water
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3.0% ~ 4.4%
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Heavy metal
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NMT 20ppm
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Related substance
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Purity NLT 99%
Isomer NMT 0.10%
Unspecified impurity NMT 0.10%
Total impurity NMT 1.0%
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Residual solvents
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Methanol NMT 0.3%
Ethanol NMT 0.5%
Axetonitrile NMT 0.041%
Dichlorothane NMT 0.06%
Ethyl acetate NMT 0.5%
n-Hexane NMT 0.072%
THF NMT 0.072%
Toluene NMT 0.089%
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Assay (%)
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98.0%~102.0%
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Standard
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In-house standard
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Send Inquiry
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