Urea nitrate manufacturers and suppliers

Urea nitrate suppliers

Properties

Melting point:: 152° with decompn

Boiling point:: 229.12°C (rough estimate)

Density: 1.6900

refractive index: 1.4164 (estimate)

Merck: 14,9869

Henry's Law Constant: 5.8×10¹¹ mol/(m³Pa) at 25℃, HSDB (2015)

CAS DataBase Reference: 124-47-0(CAS DataBase Reference)

EPA Substance Registry System: Urea mononitrate (124-47-0)

Safety Information

Symbol(GHS): GHS02

Signal word: Danger

Hazard statements: H228-H319

Precautionary statements: P210-P240-P241-P280-P370+P378-P264-P280-P305+P351+P338-P337+P313P

Risk Statements: 8-36/37/38

Safety Statements: 17-26-36/37/39-45

RIDADR: UN 0220 1.1D (UREA NITRATE, dry or wetted with less than 20 % water, by mass)

RIDADR: UN 1357 4.1/PG I (UREA NITRATE, WETTED with not less than 20 % water, by mass)

RIDADR: UN 3370 4.1/PG I (UREA NITRATE, WETTED, with not less than 10 % water by mass)

RTECS: YT9675000

HazardClass: 4.1

PackingGroup: I

Hazardous Substances Data: 124-47-0(Hazardous Substances Data)

Use

UREA NITRATE is explosive when left in dry state. Wetting reduces possibility of explosion but may explode under prolonged exposure to heat or fire, even when wet. Urea nitrate reacts with strong oxidizer such as perclorates and hypochlorites. With hypochlorites Urea nitrate forms a compound nitrogen trichloride which explodes spontaneously in air (J. Am. Chem. Soc. 63:3530-32). Organic nitrates may explode when shocked, exposed to heat or flame or by spontaneous chemical reaction. Urea nitrate must be stored in a cool, ventilated place, away from acute fire hazards and easily oxidized materials. Also reacts violently with Al; BP; cyanides; esters; PN2H; P; NaCN; SnCl2; sodium hypophosphite; thiocyanates. Dangerous disaster hazard due to fire and explosion hazard. On decomposition, they emit toxic fumes. They are powerful oxidizing agents which may cause violent reaction with reducing materials. Nitrates should be protected carefully in storage. (SAX and Lewis, 1987) p.664. Decomposition is catalyzed by the presence of heavy metals such as lead or iron in trace amounts [Bretherick, 1995, pg. 201]. Produces toxic oxides of nitrogen during combustion. Decomposed with explosive evolution of gas during the evaporation of an alkaline solution. [Bretherick, 1995, p. 201].

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