Eptazocine Hydrobromide 72150-20-0

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Eptazocine Hydrobromide 72150-20-0

Property:white crystal or crystalline powder
Rotation:-15.6ÿ?
Identification: Weigh 20mg of this product, make it into 250ml solution by adding water, shake it and determine it in accordance with the spectrophotometry, it shall have maximum absorption within the wavelength range of 280ÿ?nm.
Acidity:PH=5.4
Clarity and color of the solution:After 10g of this product is dissolved by adding 10ml of newly boiled cold water, it is clear and colorless.
Related substances:Take 140mg of this product, dissolve it by adding 2ml of methanol, then take 2¥Ìl and drop it onto the G thin-layer plate, start it with Benzene - ethanol - concentrated ammonia solution, dry it, it colors in iodine vapor and has a single spot.
Enantiomers: 0.0
Residual solution
Content of Methanol:0.002%
Content of dichloromethane:0.00%
content of tetrahydrofuran:0.00%
Content of toluene:0.00%
Loss on drying:0.1%
Residue on ignition::0.04%
Heavy metals:5ppm
Content:99.0%