shady mutha
February 21st, 2001, 10:14 PM
For a long time methyl nitrate CH3ONO2 has aroused interest,for it is the simplest ester of nitric acid and at the same time one of the strongest explosives.However,its high volatility and low boiling point prevented practical application until World War 2.
Naoum describes methyl nitrate as a colourless liquid boiling at 65-66.c,very mobile and possessing a viscosity lower than that of water.Its specific gravity is 1.21.
Methyl nitrate is capable of dissolving collodion cotton and higher nitrated cellulose with the greatest ease.Breathing vapours of methyl nitrate caues headaches.The physiological action is similar to the effect in inhaling nitroglycerine,with the difference the symptoms are noticable in a very short time and they disappear more swiftly.Heating to a temperature of 150.c causes explosion.
Methyl nitrate is less sensitive to impact than nitroglycerine:it detonates under the impact of a 2 kg wieght falling from a height of 40 cm.
The sensitiveness of methyl nitrate to shock produced by detonation is one of the highest ever known-it is appreciably higher than that for nitroglycerine.Thus,detonation of methyl nitrate can be initiated even by a No.1 detonator.The lead block expansion with water tamping was found to be
520cm3 with a No.1 detonator(nitroglycerine 190cm3
615cm3 with a No8 detonater(nitroglycerine 590cm3)
The excellent aptitude to detonate may be explaned to some extent by the exceptionally low visosity of the substance.
Berthelot has published some data concerning the rate of detonation of methyl nitrate
in a glass tube dia 3/12mm 2480m/sec
in a glass tube dia 3/7mm 2190m/sec
in a steel tube dia 3/15mm 2085m/sec
in a tube 30-40mm dia 8000m/sec
in smaller tube 1500m/sec has been found,while in a wide tube detonation is propagated at a rate exceeding 6000m/sec
On a small scale methyl nitrate can be obtained by carefully distilling a mixture of methyl alcohol with nitric acid containing urea nitrate or with nitric-sulphuric acid mixture at 40 or 18.c
Also,on account of the low boiling point and high volatility of methyl nitrate,hot water is not used for washing.The product is washed thoroughly with cold water and cold solutions.
100 parts methyl alcohol yield 200 parts of methyl nitrate.
Naoum describes methyl nitrate as a colourless liquid boiling at 65-66.c,very mobile and possessing a viscosity lower than that of water.Its specific gravity is 1.21.
Methyl nitrate is capable of dissolving collodion cotton and higher nitrated cellulose with the greatest ease.Breathing vapours of methyl nitrate caues headaches.The physiological action is similar to the effect in inhaling nitroglycerine,with the difference the symptoms are noticable in a very short time and they disappear more swiftly.Heating to a temperature of 150.c causes explosion.
Methyl nitrate is less sensitive to impact than nitroglycerine:it detonates under the impact of a 2 kg wieght falling from a height of 40 cm.
The sensitiveness of methyl nitrate to shock produced by detonation is one of the highest ever known-it is appreciably higher than that for nitroglycerine.Thus,detonation of methyl nitrate can be initiated even by a No.1 detonator.The lead block expansion with water tamping was found to be
520cm3 with a No.1 detonator(nitroglycerine 190cm3
615cm3 with a No8 detonater(nitroglycerine 590cm3)
The excellent aptitude to detonate may be explaned to some extent by the exceptionally low visosity of the substance.
Berthelot has published some data concerning the rate of detonation of methyl nitrate
in a glass tube dia 3/12mm 2480m/sec
in a glass tube dia 3/7mm 2190m/sec
in a steel tube dia 3/15mm 2085m/sec
in a tube 30-40mm dia 8000m/sec
in smaller tube 1500m/sec has been found,while in a wide tube detonation is propagated at a rate exceeding 6000m/sec
On a small scale methyl nitrate can be obtained by carefully distilling a mixture of methyl alcohol with nitric acid containing urea nitrate or with nitric-sulphuric acid mixture at 40 or 18.c
Also,on account of the low boiling point and high volatility of methyl nitrate,hot water is not used for washing.The product is washed thoroughly with cold water and cold solutions.
100 parts methyl alcohol yield 200 parts of methyl nitrate.