Piracetam

Chinese name Piracetam

Foreign name Piracetam

Also known as 2-oxo-1-pyrrolidine acetamide

Chemical formula C6H10N2O2

Molecular weight 142.156

CAS 7491-74-9

EINECS registration number 231-312-7

Melting point 151 to 152 °C

Boiling point 337.3 °c

Water soluble and soluble

Density 1.239 g/cm³

Appearance white crystalline powder

Flash point 157.8 °c

Security Description S26; S37/39

Hazard symbol Xi

Hazard description R36/37/38

source

This product is 2-oxo-1-pyrrolidinyl acetamide, calculated as dry product, the C6H10N2O2 content should be 98.0% ~ 102.0%.

Characters

This product is white or off-white crystalline powder, odorless.

This product is soluble in water, slightly soluble in ethanol, and almost insoluble in ether.

melting point

The melting point 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 several drops of water to dissolve, add 1 drop each of potassium permanganate test solution and sodium hydroxide test solution, stir well, place, the solution should be purple, gradually turn blue, and finally show green.

2. In the chromatogram recorded under the content determination item, the retention time of the main peak of the test solution should be consistent with the retention time of the main peak of the reference solution.

3. The infrared absorption spectrum of this product should be consistent with the control spectrum (spectrum set 185 figure).