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what are picrates.please explain in detail.

what are picrates.please explain in detail.

Grade:12

2 Answers

Anil Pannikar AskiitiansExpert-IITB
85 Points
10 years ago

Dear Anisha,

 A picrate is a salt or an ester of picric acid (a 2,4,6-trinitrophenol). But it could also be an additional compound which picric acid forms with many aromatic hydrocarbons, aromatic amines, aliphatic amines, alkalines, and other compounds. These additional compounds are also called picrates even though they are not a salt of picric acid.

 

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Askiitians Expert

Anil Pannikar

IIT Bombay

 

Karthik Eyan
45 Points
10 years ago

According to Wikipedia :

A picrate is a salt or an ester of picric acid (a 2,4,6-trinitrophenol). But it could also be an additional compound which picric acid forms with many aromatic hydrocarbons, aromatic amines, aliphatic amines, alkalines, and other compounds . These additional compounds are also called picrates even though they are not a salt of picric acid.

The picrate ion has yellow color. Many picrates are explosives, for example ammonium picrate (known as Dunnite). Some are used as primary explosives, namely lead picrate or potassium picrate which find their use as primers for cartridge ammunition. Ferrous picrate is used in some applications as a diesel fuel additive to achieve better mileage.

Picrates of some metals tend to be significantly more sensitive to impact, friction and shock than picric acid itself. As a result, storage of picric acid (or mixtures containing it) in metal containers is strongly discouraged due to the high risk of accidental explosion.

 

 

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