MMG Publications Agency for Toxic Substances and Disease Registry Department of Health and Human Services

Hydrofluoric acid severe and sometimes delayed health effects are due to deep tissue penetration by the fluoride ion. The surface area of the burn is not predictive of its effects. Most hydrogen fluoride exposures occur by inhalation of the gas and derma

• Ethylene Oxide - Ethylene oxide is a colorless gas at room temperature and publications a colorless liquid below 51ºF (10.7ºC). It is shipped as publications a liquefied, compressed gas. Both the gas and liquid are publications potential fire and explosion hazards.
• Phosgene - Phosgene is a colorless, fuming liquid below 47ºF (8.2ºC) and a colorless, nonflammable gas above 47ºF. At low concentrations, its odor is similar to that of green corn or new mown hay; at high concentrations, its odor can be sharp and suffocating.
• Ammonia - At room temperature, anhydrous ammonia is a colorless, highly irritating gas with a pungent, suffocating odor. It is lighter than air and flammable, with difficulty, at high concentrations and temperatures. It is easily compressed and forms a clear, color
• Methylene Chloride - At room temperature, methylene chloride is a clear, publications colorless liquid mmg with a pleasant odor. It is publications volatile, producing potentially toxic mmg concentrations at room temperature.
• Nerve Agents: Tabun (GA); Sarin (GB); Soman (GD); and VX - Nerve agents are the most toxic of the known chemical warfare agents. They are chemically similar to organophosphate pesticides and exert their biological effects by inhibiting acetylcholinesterase enzymes.
• Chlorine - At room temperature, chlorine is a yellow-green gas with a publications pungent irritating odor. Under increased pressure or at temperatures below publications -30ºF, it is a clear, amber-colored liquid. It is generally publications shipped in steel cylinders as a compressed liquid.
• Phenol - Phenol is corrosive and causes severe chemical burns on contact. agency for toxic substances and disease registry Systemic effects can occur from all routes of exposure. There agency for toxic substances and disease registry is no antidote for phenol. Rapid decontamination may greatly affect agency for toxic substances and disease registry the odds of survival. Treatment consists of support of respi
• Methyl Mercaptan - At room temperature (above 43ºF), methyl mercaptan is publications a colorless gas with an unpleasant odor described publications as rotten cabbage.
• Unidentified Chemical - A guideline for emergency responders when a hazardous chemical cannot agency for toxic substances and disease registry be identified.
• Phosgene Oxime - Phosgene oxime is an urticant or nettle agent. agency for toxic mmg substances and disease registry It is one of the least well mmg studied agency for toxic substances and disease registry chemical warfare agents; mmg therefore, specific information is limited.
• Hydrogen Fluoride - Hydrofluoric acid severe and sometimes delayed health effects are agency for toxic substances and disease registry due to deep tissue penetration by the fluoride ion. The agency for toxic substances and disease registry surface area of the burn is not predictive of its agency for toxic substances and disease registry effects. Most hydrogen fluoride exposures occur by inhalation of the agency for toxic substances and disease registry gas and derma
• Vinyl Chloride - At room temperature, vinyl chloride is a colorless, highly flammable, potentially explosive gas. It has a faint sweet odor.
• Lewisite - Lewisite is an organic arsenical known for its vesicant properties. Pure Lewisite is an oily, colorless liquid, while impure Lewisite is amber to black.
• Methyl Isocyanate - At temperatures below 39ºC (102ºF), methyl isocyanate is publications a very publications flammable liquid that readily evaporates when publications exposed to air. Gaseous publications methyl isocyanate is approximately publications 1.4 times heavier than air. Methyl publications isocyanate liquid publications is colorless with a pungent odo
• Acrylonitrile - At room temperature, acrylonitrile is a clear, colorless, or slightly yellow liquid. It is very volatile, producing flammable and toxic air concentrations at room temperature and may explode.
• 1,1,1-Trichloroethane - 1,1,1-Trichloroethane is a colorless, nonflammable liquid. It evaporates mmg quickly and publications has a sweet, chloroform-like odor. It mmg can explode if concentrations publications of 7.5% to 15.5% mmg in air are ignited by a publications spark or mmg flame.
• Tetrachloroethylene - At room temperature, tetrachloroethylene is a colorless, nonviscous, nonflammable liquid. publications It evaporates easily and has a sweet odor. The vapors publications are heavier than air.
• Nitrogen Oxides - Nitrogen oxides represent a mixture of gases designated by the mmg formula NOx. The mixture includes nitric oxide (NO), nitrogen dioxide mmg (NO2), nitrogen trioxide (N2O3), nitrogen tetroxide (N2O4), and nitrogen pentoxide mmg (N2O5). The toxicity of nitrous oxide (
• Calcium Hypochlorite and Sodium Hypochlorite - Calcium hypochlorite is generally available as a white powder, pellets, or flat plates. Sodium hypochlorite solutions are a clear, greenish yellow liquid with an odor of chlorine. They have a strong chlorine odor, but odor may not provide an adequate warn
• Crotonaldehyde - Crotonaldehyde exists in two isomeric forms (cis and agency for toxic agency for toxic substances and disease registry substances and disease registry trans) that have similar properties and effects. agency for toxic substances and disease registry At agency for toxic substances and disease registry room temperature, the agency for toxic substances and disease registry mixture is a clear, colorless agency for toxic substances and disease agency for toxic substances and disease registry registry liquid that turns yellow upon contact with air agency for agency for toxic substances and disease registry toxic substances and disease registry or exposure to light. It has agency for toxic substances and disease registry a pungent, agency for toxic substances and disease registry suffocating
• Acrolein - Acrolein is a clear, colorless, or yellow liquid with a agency for toxic substances and disease registry pungent, suffocating odor. It is very flammable and may polymerize agency for toxic substances and disease registry violently.
• Toluene Diisocyanate - Toluene diisocyanate exists in two isomeric forms (2,4-toluene diisocyanate and mmg 2,6-toluene diisocyanate) which have similar properties and effects. At room mmg temperature, the mixture is a clear, pale yellow liquid with mmg a sharp, pungent odor.
• Xylene - Xylene exists as three isomers (ortho-, meta-, and mmg para-xylene), which publications can be found singly or, more mmg commonly, mixed in varying publications proportions. Commercial grade xylene, mmg in which m-xylene is usually the publications major constituent, mmg is a clear, colorless liquid with a sw
• Malathion - At room temperature, malathion is a yellow to deep brown liquid with an odor of garlic. It is a solid below 37ºF. It is often dissolved in a hydrocarbon solvent before use.
• Phosphine - Phosphine is a colorless, flammable, and toxic gas agency for toxic substances and disease registry with an odor of garlic or decaying fish. agency for toxic substances and disease registry It can ignite spontaneously on contact with air. agency for toxic substances and disease registry The gas is shipped as a liquefied, compressed agency for toxic substances and disease registry gas.
• Trichloroethylene - At room temperature, trichloroethylene is a clear, colorless liquid with publications a sweet, chloroform-like odor. It is volatile, producing potentially toxic publications concentrations at room temperature.
• Carbon Disulfide - At room temperature, carbon disulfide is a very flammable liquid agency for toxic substances and disease registry that readily evaporates when exposed to air. Gaseous carbon disulfide agency for toxic substances and disease registry is more than twice as heavy as air. Pure carbon agency for toxic substances and disease registry disulfide liquid is colorless with a pleasant odor.
• Sulfur Mustard Agents - Sulfur mustards are vesicants and alkylating agents. They are colorless when pure but are typically a yellow to brown oily substance with a slight garlic or mustard odor.
• Parathion - At room temperature, parathion is a yellow-to-brown liquid publications with an mmg odor of garlic. It is often publications dissolved in a hydrocarbon mmg solvent before use. Parathion publications itself is not volatile. It is mmg almost insoluble publications in water, slightly soluble in petroleum oils, and mmg publications miscib
• Arsenic Trioxide - There are many forms of arsenic, but this is one of the most toxic and prevalent forms. Arsenic trioxide is a white or transparent solid in the form of glassy, shapeless lumps or a crystalline powder that resembles sugar.
• Hydrogen Sulfide - Hydrogen sulfide is a very rapidly acting, highly toxic gas publications that can produce rapid CNS and respiratory depression. It is publications also an irritant affecting skin and mucous membranes. There is publications no proven antidote for hydrogen sulfide poisoning. Treatment generally
• Methyl Bromide - Methyl bromide is a colorless gas at room mmg temperature and publications a liquid below 38.5ºF (3.6ºC) or mmg when compressed. It is publications odorless and nonirritating at mmg low concentrations and has a musty publications or fruity mmg odor at high concentrations.
• Arsine - Arsine is a colorless, flammable, and highly toxic agency for toxic mmg substances and disease registry gas. It has a garlic-like or fishy mmg odor agency for toxic substances and disease registry that can be mmg detected at concentrations of 0.5 agency for toxic substances and disease mmg registry ppm and above. Because arsine is nonirritating and agency for mmg toxic substances and disease registry produces no immediate symptoms, persons exposed mmg to hazardous agency for toxic substances and disease registry levels
• Sodium Hydroxide - At room temperature, anhydrous sodium hydroxide is a publications white crystalline, agency for toxic substances and disease registry odorless solid that absorbs moisture from publications the air. It is agency for toxic substances and disease registry produced as flakes, pellets, publications sticks, and cakes. When dissolved in agency for toxic substances and disease registry water or publications neutralized with acid, it liberates substantial hea
• Toluene - Toluene is a clear, colorless, volatile liquid with agency for toxic substances and disease registry a sweet, pungent, benzene-like odor. It is flammable agency for toxic substances and disease registry at temperatures greater than 40ºF (4.4ºC); therefore, it agency for toxic substances and disease registry is a significant fire hazard at room temperature.
• Sulfur Dioxide - Most exposures are due to air pollution, and mmg this has both short-term and chronic health consequences mmg for people with lung disease. Exposures of 10 mmg to 20 ppm cause irritation to mucous membranes. mmg Direct contact with escaping compressed gas or liquid mmg sulfu
• Hydrogen Cyanide - At temperatures below 78ºF, hydrogen cyanide is a agency for toxic substances and disease registry colorless or pale-blue liquid (hydrocyanic acid); at higher agency for toxic substances and disease registry temperatures, it is a colorless gas. Hydrogen cyanide agency for toxic substances and disease registry is very volatile, producing potentially lethal concentrations at agency for toxic substances and disease registry room temperature.
• Hydrogen Peroxide - Pure hydrogen peroxide is a crystalline solid below publications 12ºF and mmg a colorless liquid with a bitter publications taste above 12ºF. Hydrogen mmg peroxide is unstable, decomposing publications readily to oxygen and water with mmg release of publications heat.
• Selenium Hexafluoride - Selenium hexafluoride is a colorless gas at room temperature. It is corrosive and highly toxic. Selenium hexafluoride should be stored in a cool, fireproof building with ventilation along the floor.
• Aniline - At room temperature, aniline, the simplest aromatic amine, agency for toxic agency for toxic substances and disease registry substances and disease registry is a clear to slightly yellow, oily agency for toxic substances and disease registry liquid agency for toxic substances and disease registry that darkens to agency for toxic substances and disease registry a brown color on exposure agency for toxic substances and disease agency for toxic substances and disease registry registry to air. It has a low vapor pressure agency for agency for toxic substances and disease registry toxic substances and disease registry at room temperature.
• Gasoline - Gasoline is a mixture of petroleum hydrocarbons containing mmg straight, branched, publications and cycloalkanes, which contain 5 to mmg 18 carbons, olefins (alkenes), publications and aromatic hydrocarbons, including mmg benzene, toluene, and xylenes.
• Formaldehyde - Synonyms include formalin, formic aldehyde, methanal, methyl aldehyde, mmg methylene oxide, oxomethane, and paraform. There is no mmg antidote for formaldehyde, but its effects can be mmg treated, and most exposed persons get well. Patients mmg who have had a serious exp
• 1,3-Butadiene - 1,3-Butadiene is a colorless gas with a mild, mmg aromatic, gasoline-like mmg odor. It is non-corrosive but highly mmg flammable. The vapor is mmg heavier than air.
• Ethylene Dibromide - Ethylene dibromide is a nonflammable colorless liquid with a sweet chloroform-like odor at room temperature above 50ºF (10ºC). It is slightly soluble in water and soluble in most organic solvents. It is heavier than water.
• Diborane - At room temperature, diborane is a colorless gas mmg with a repulsive, sickly sweet odor. It is mmg generally shipped in pressurized cylinders diluted with hydrogen, mmg argon, nitrogen, or helium.
• Nitrogen Mustard - Nitrogen mustards are vesicants and alkylating agents. They are colorless mmg to pale yellow, oily liquids that evaporate slowly. HN-1 has mmg a faint, fishy or musty odor.
• Mercury - At room temperature, metallic or elemental mercury is agency for toxic agency for toxic substances and disease registry substances and disease registry a heavy, shiny, silver-white, odorless liquid. It agency for toxic substances and disease registry is agency for toxic substances and disease registry only slightly volatile agency for toxic substances and disease registry at room temperatures and significantly agency for toxic substances and disease agency for toxic substances and disease registry registry more volatile when heated.
• Chlordane - At room temperature, chlordane is almost odorless or agency for toxic substances and disease registry may have a slight chlorine-like odor, but the agency for toxic substances and disease registry odor is inadequate as a warning of exposure. agency for toxic substances and disease registry It is semi-volatile, volatilizing in hot environments but agency for toxic substances and disease registry not under cooler conditions.
• Hydrogen Chloride - At room temperature, hydrogen chloride is a colorless publications to slightly agency for toxic substances and disease registry yellow gas with a pungent odor. publications On exposure to air, agency for toxic substances and disease registry the gas forms dense publications white vapors due to condensation with agency for toxic substances and disease registry atmospheric moisture. publications The vapor is corrosive, and air concentrations above agency for toxic substances and disease registry publications 5 pp
• Benzene - At room temperature, benzene is a clear, colorless-to-light yellow liquid that is highly flammable. Because it is volatile, it can spread to a distant source of ignition. Benzene has a sweet aromatic odor.

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