628-86-4 Usage
Description
Mercury fulminate, wetted with not less than 20% water or a mixture of alcohol and water by mass, is a gray, crystalline powder that is highly explosive. It is a widely used initiating detonator for high explosives and is commonly found as a slurry or wet mass of white crystals. Mercury fulminate,wetted with not less than 20% water,or mixture of alcohol and water,by mass is soluble in alcohol, ammonium hydroxide, and hot water, and slightly soluble in cold water. When dry, it may explode from shock, heat, flame, or friction, and can also explode under prolonged exposure to heat. The primary hazard associated with this compound is the blast of an instantaneous explosion, rather than flying projectiles or fragments.
Uses
Used in Military, Industrial, and Sporting Applications:
Mercury fulminate, wetted with not less than 20% water or a mixture of alcohol and water by mass, is used as a primary explosive to initiate boosters and manufacture caps and detonators for producing explosions in military, industrial, and sporting purposes. Its high explosive properties make it an essential component in these applications.
Used in Initiating Detonators for High Explosives:
Mercury fulminate is used as an initiating detonator for high explosives due to its ability to explode instantaneously upon exposure to shock, heat, flame, or friction. This characteristic makes it a crucial component in the detonation process, ensuring a rapid and efficient initiation of the explosion.
Used in Manufacturing Blasting Caps and Detonators:
Mercury fulminate is also used in the manufacturing of blasting caps and detonators, which are essential tools in various industries, including mining, construction, and military applications. Mercury fulminate,wetted with not less than 20% water,or mixture of alcohol and water,by mass's high explosive nature and sensitivity to shock, heat, and friction make it an ideal choice for these applications, providing a reliable and efficient means of initiating explosions.
Reactivity Profile
MERCURY FULMINATE is incompatible with acetylene, ammonia, chlorine dioxide, azides, calcium (amalgam formation), sodium carbide, lithium, rubidium, copper . Contact with sulfuric acid causes explosion, [Urbanski, 1967, vol. 3, 135, 149]. Aqueous ammonia and Hg react to form an explosive solid, likely a fulminate. (Thodos, G. Amer. Inst. Chen. Engrs. J., 1964, 10, 274.).
Hazard
Explodes readily when dry, keep moist till
use, an initiating explosive. Highly toxic.
Health Hazard
Fire may produce irritating, corrosive and/or toxic gases.
Health Hazard
Mercury fulminate is a highly toxic compound,exhibiting the toxicity symptoms ofmercury. No toxicity data are available onthis compound.
Fire Hazard
MAY EXPLODE AND THROW FRAGMENTS 1600 meters (1 MILE) OR MORE IF FIRE REACHES CARGO.
Safety Profile
An explosive sensitive
to flame, heat, impact, friction, intense
radiation, or contact with sulfuric acid. Selfexplodes. Dangerously flammable; should be
kept moist until used. Incompatible with
sulfuric acid. When heated to decomposition
it emits very toxic fumes of Hg and NOx. See also MERCURY COMPOUNDS and
FULMINATES.
Check Digit Verification of cas no
The CAS Registry Mumber 628-86-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 628-86:
(5*6)+(4*2)+(3*8)+(2*8)+(1*6)=84
84 % 10 = 4
So 628-86-4 is a valid CAS Registry Number.
InChI:InChI=1/2CNO.Hg/c2*1-2-3;/rC2HgN2O2/c6-4-1-3-2-5-7
628-86-4Relevant articles and documents
The crystal structures of the room temperature and the low temperature phase of dimethylammonium trifluoromethanesulfonate
Dietzel, Pascal D. C.,Dinnebier, Robert,Jansen, Martin
, p. 1410 - 1416 (2008/10/09)
Dimethylammonium trifluoromethanesulfonate 1 was synthesized by reaction of trifluoromethanesulfonic acid with an excess of dimethylamine. A temperature variable synchrotron measurement on the polycrystalline substance reveals that 1 passes through a phase transition below room temperature. The transition occurs in the temperature range of 282-285 K on heating and 272-280 K on cooling as determined by DSC. The room temperature phase crystallizes in space group Cmca (a = 11.031(6) A, b = 18.466(14) A, c = 8.173(9) A, V = 1665(2) A3, Z = 8) and the low temperature phase in space group P 21/c (a = 8.8717(18) A, b = 8.0838(16) A, c = 10.968(2) A, β = 92.128(4)°, V = 786.0(3) A3, Z = 4). The structures of both phases were determined by single crystal X-ray diffraction, but refinement did not yield satisfactory residuals for the low temperature phase because of twinning of the crystal. It was, therefore, independently solved from the synchrotron powder diffraction data using rigid body models of the constituent ions and ab-initio direct space methods. Both, the CF3 group and the SO3 group of the triflate ion, are rotationally disordered around the S-C bond, in the room temperature phase. In the lowtemperature phase, the triflate ion is well localized. Like in the alkali metal triflates, the triflate ions are arranged in double layers with the hydrophobic trifluoromethyl groups and the sulfonate groups, respectively, pointing towards each other. The dimethylammonium ion is located closer to the sulfonate group with contacts indicating hydrogen bonding. The packing in both phases is of the topological CsCl structure type.
