Chinese identify Piracetam
Foreign identify Piracetam
Also recognised as 2-oxo-1-pyrrolidine acetamide
Chemical formulation C6H10N2O2
Molecular weight 142.156
CAS 7491-74-9
EINECS registration range 231-312-7
Melting factor 151 to 152 °C
Boiling factor 337.3 °c
Water soluble and soluble
Density 1.239 g/cm³
Appearance white crystalline powder
Flash factor 157.8 °c
Security Description S26; S37/39
Hazard image Xi
Hazard description R36/37/38
source
This product is 2-oxo-1-pyrrolidinyl acetamide, calculated as dry product, the C6H10N2O2 content material have to be 98.0% ~ 102.0%.
Characters
This product is white or off-white crystalline powder, odorless.
This product is soluble in water, barely soluble in ethanol, and nearly insoluble in ether.
melting point
The melting factor of this product (General rule 0612) is 151~154 °C.
Differential
1. take 0.1g of this product, put it on a drip plate, add numerous drops of water to dissolve, add 1 drop every of potassium permanganate check answer and sodium hydroxide take a look at solution, stir well, place, the answer have to be purple, step by step flip blue, and subsequently exhibit green.
2. In the chromatogram recorded beneath the content material dedication item, the retention time of the predominant height of the take a look at answer ought to be constant with the retention time of the principal top of the reference solution.
3. The infrared absorption spectrum of this product have to be steady with the manipulate spectrum (spectrum set 185 figure).
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