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Ammonium carbonate

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CAS:506-87-6
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CAS:506-87-6
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Products Intro: Product Name:Ammonium carbonate
CAS:506-87-6
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Products Intro: Product Name:Ammonium carbonate, for analysis
CAS:506-87-6
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Ammonium carbonate Basic information
Outline Solubility in water (g/100ml) Related reactions of the formula Toxcity Chemical properties Uses Production method Category Toxicity grading Acute toxicity Flammability hazard characteristics Storage characteristics Extinguishing agent
Product Name:Ammonium carbonate
Synonyms:diammoniumcarbonate(ammoniumcarbonate);hartshorn;carbonated’ammoniaque;carbonicacid,diammoniumsalt;crystalammonia;diammoniumcarbonate;Ammonium carbonate, ACS, NH3 30.0+%;Ammonium carbonate, Puratronic(R), 99.999% (metals basis)
CAS:506-87-6
MF:CH8N2O3
MW:96.09
EINECS:208-058-0
Product Categories:Industrial/Fine Chemicals;Inorganics;Ammonium Salts;Materials Science;Metal and Ceramic Science;Salts
Mol File:506-87-6.mol
Ammonium carbonate Structure
Ammonium carbonate Chemical Properties
Melting point 58 °C
Boiling point 179.58°C (rough estimate)
vapor density 2.7 (vs air)
refractive index 1.4616 (estimate)
storage temp. Store at RT.
solubility H2O: 0.1 g/mL at 25 °C, clear, colorless
form Solid
color White to yellow
Water Solubility SOLUBLE
Sensitive Hygroscopic
Merck 14,508
BRN 3627235
CAS DataBase Reference506-87-6(CAS DataBase Reference)
EPA Substance Registry SystemCarbonic acid, diammonium salt(506-87-6)
Safety Information
Hazard Codes Xn
Risk Statements 22-52/53
Safety Statements 24/25
RIDADR UN 9084
WGK Germany 1
RTECS BP1925000
13
TSCA Yes
Hazardous Substances Data506-87-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
Ammonium carbonate English
ACROS English
SigmaAldrich English
ALFA English
Ammonium carbonate Usage And Synthesis
OutlineAmmonium carbonate is positive ammonium salt of carbonic acid normal salt, the formula is (NH4)2CO3. Pure product is colorless or white cubic crystal or powder, it has strong smell of ammonia. Industrial product is complex salt of ammonium bicarbonate and ammonium carbamate, it is white, flaky or small block of solid product crushed form. It is often with a molecular crystal water, it is hygroscopic, soluble in water, it can decompose in case of hot water. It is insoluble in ethanol and carbon disulfide. Ammonium carbonate can rapidly decompose into ammonia, carbon dioxide and water at 58℃. Ammonium carbonate can be obtained by ammonia introduces into solution of sodium carbonate with half times, the solution crystallizes at 30°C. It gradually loses ammonia to form ammonium bicarbonate in air.
Solubility in water (g/100ml)The grams which dissolve per 100 ml of water:100g/20 ℃.
Related reactions of the formulaAt room temperature for significant decomposition: (NH4) 2CO3 → 2NH3 + CO2 + H2O
At low temperature and a certain pressure, carbon dioxide and water with an excess of ammonia, ammonium carbonate can be obtained: 2NH3 + CO2 + H2O → (NH4) 2CO3
Ammonium sulfate and calcium carbonate suspension under heating to generate ammonium carbonate: (NH4) 2SO4 + CaCO3 → (NH4) 2CO3 + CaSO4
Urea in aqueous solution will gradually react with water to form ammonium carbonate: CO (NH2) 2 + 2H2O → (NH4) 2CO3
ToxcityIf it splashes into the eye accidentally, rinse immediately with plenty of water. It has stimulating effect on the skin. It should pay attention to dust prevention and dust extraction, respiratory protection, skin protection.
Chemical propertiesIt is matte orthorhombic crystalline powder. It has strong ammonia odor. It usually can not get anhydrous salt, industrial salt is actually a complex of ammonium bicarbonate and ammonium carbamate. The amount of ammonia is 31%, The amount of carbon dioxide is 56%. It is soluble in water, insoluble in ethanol, carbon disulfide, and concentrated ammonia. It is unstable in the air, it will gradually become ammonium bicarbonate and ammonium carbamate. When be dried at 58℃, it can easily decompose, release ammonia and carbon dioxide. Aqueous solution begins to decompose at 70℃. It is unstable for light and heat. It has slightly hygroscopic.
UsesIt is used as raw material for baking powder, various ammonium salts, buffer agent, auxiliaries, fertilizer and analytical reagent. Edible ammonium carbonate is used as buffer, neutralizing agent, leavening agent, fermentation promoter (manufacture of wine).
It is used for fire fighting, detergents, and used in medicine, rubber, and other industrial fermentation.
The above information is edited by the chemicalbook of Wang Xiaodong.
Production methodCarbonization method: Carbon dioxide, ammonia and steam synthesized directly sodium carbonate, it passes through the cooling chamber, uses water to direct cooling, and then it is refined to obtain ammonium carbonate products.
2NH3 + CO2 + H2O → (NH4) 2CO3
CategoryToxic substances.
Toxicity gradinghighly toxic.
Acute toxicityIntravenous-Mouse LD50: 96 mg/kg; Intravenous-Dogs LDL0: 200 mg/kg.
Flammability hazard characteristicsIt can produce toxic fumes of nitrogen oxides and ammonia at high temperature.
Storage characteristicsTreasury ventilation low-temperature drying.
Extinguishing agentDry powder, foam, sand, carbon dioxide, water mist.
Chemical PropertiesAnunonium carbonate is a white water-soluble, volatile solid prepared by reaction of NH4OH and CO2 and crystallizing from dilute alcohol. Ammonium carbonate loses NH3,CO2, and H20 at ordinary temperatures, and rapidly at 58°C.
Chemical PropertiesAmmonium carbonate is a colorless crystal or white lumpy powder with a strong ammonia odor. The odor specific gravity (gas)52.7; Threshold is ,5 ppm as ammonia gas.
UsesPharmaceutic aid (source of ammonia).
UsesAmmonium Carbonate is a dough strengthener, a leavening agent, a ph control agent, and a texturizer. it is prepared by the sublima- tion of a mixture of ammonium sulfate and calcium carbonate, and occurs as a white powder or a hard, white translucent mass.
DefinitionA mixture of ammonium acid carbonate and ammo- nium carbamate.
General DescriptionA colorless crystalline solid or a white powder with a strong odor of ammonia. Noncombustible. The primary hazard is the threat to the environment. Immediate steps should be taken to limit spread to the environment. Used to make other ammonium compounds, in pharmaceuticals, in food processing.
Air & Water ReactionsWater soluble.
Reactivity ProfileAmmonium carbonate decomposes when heated to give gaseous ammonia and gaseous carbon dioxide. Reaction is non-explosvie. Causes decomposition of sodium hypochlorite within a few seconds [Mellor 2 Supp. 1:550 1956].
HazardEvolves irritating fumes when heated.
Health HazardInhalation causes irritation of nose and throat. Ingestion may cause gastric irritation. Contact with eyes or skin causes irritation.
Safety ProfilePoison by subcutaneous and intravenous routes. When heated to decomposition it emits toxic fumes of NO, and NH3.
Potential ExposureIt is used in dyeing, tanning, medicines, fire extinguishers; to make casein glue; ammonia salts; and baking powders. A laboratory reagent.
First aidIf this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
ShippingUN3077 Environmentally hazardous substances, solid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.
IncompatibilitiesAcids, acid salts; salts of iron and zinc, alkaloids, calomel and tartar emetic. Keep cool, below 38 C. Contact with inorganic acids may form CO2, heat, and dangerous spattering.
Waste DisposalSlowly deposit in a large container of water. Add excess amounts of soda ash and let stand for 24 hours. Decant to another container, neutralize with hydrochloric acid, and drain with an excess of water. Ship to landfill.
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