Dinitolmide,CAS: 148-01-6
Description:
Light yellow or yellowish brown powder, odorless,Soluble in acetone, slightly soluble in ethanol, extremely soluble in
chloroform or ether, and almost insoluble in water
Melting Point:
177-181℃
Identification:
Take approximately lg of this product, add 20ml of sulfuric acid solution
(1 → 2), heat and reflux for 1 hour, cool, add 50ml of water, filter,
precipitate, and wash the paint with water. After drying at 105 ℃ for 2
hours, measure according to the “Standard Operating Procedures for
Melting Point Determination”, and the melting point is 203-207 ℃
The infrared absorption spectrum of this product should be consistent
with the control spectrum
Acidity:
The consumption of sodium hydroxide titrant (0. l mol/L) should not
exceed 0.40ml
Chloride:
Compared with the control solution made from 6.0ml of standard sodium chloride solution, it should not be more concentrated (0.010%).
Related Substance:
If the test solution shows other impurity spots, it should not be deeper than the main spot of the control solution (0.5%)
Loss on Drying:≤ 0.5%
Residue on Ignition:≤ 0.2%
Heavy Metal:≤ 0.00002%
Arsenic Salt:≤ 0.0002%
Content Determination:
Calculated as dry product, the content of C8H7N3O5 shall not be less than 98.0%.
