Crystal ammonia
Ammonium carbonate
CAS: 506-87-6
Molecular Formula: CH8N2O3
Crystal ammonia - Names and Identifiers
Crystal ammonia - Physico-chemical Properties
| Molecular Formula | CH8N2O3 |
| Molar Mass | 96.09 |
| Density | 1.5 |
| Melting Point | 58 °C |
| Boling Point | 179.58°C (rough estimate) |
| Water Solubility | SOLUBLE |
| Solubility | H2O: 0.1g/mL at25°C, clear, colorless |
| Vapor Presure | 760 mm Hg @ 600C |
| Vapor Density | 2.7 (vs air) |
| Appearance | Crystalline powder |
| Color | White to yellow |
| Odor | strong odor of NH3 |
| Merck | 14,508 |
| BRN | 3627235 |
| Storage Condition | Store at RT. |
| Sensitive | Hygroscopic |
| Refractive Index | 1.4616 (estimate) |
| MDL | MFCD00010890 |
| Physical and Chemical Properties | Melting point 58°C water-soluble soluble |
| Use | Used as fire extinguishing agent, detergent, and used in medicine, rubber, fermentation and other industries |
Crystal ammonia - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 9084 |
| WGK Germany | 1 |
| RTECS | BP1925000 |
| FLUKA BRAND F CODES | 13 |
| TSCA | Yes |
| HS Code | 28369940 |
| Toxicity | LD50 ivn-mus: 96 mg/kg AJVRAH 29,897,68 |
Crystal ammonia - Upstream Downstream Industry
| Raw Materials | Ammonium hydroxide Carbon Dioxide Ammonium Bicarbonate Ammonia |
| Downstream Products | trimebutine maleate Ammonium sulfamate |
Crystal ammonia - Reference
| Reference Show more | Tang He-Na, Yang Lei, Ouyang Zhi-yuan, et al. Preliminary Study on mineralization mechanism of seawater pearl based on biomimetic in vitro [J]. Journal of Electron Microscopy, 2017, 036(006):589-597. |
Crystal ammonia - Nature
Open Data Verified Data
matte orthorhombic crystalline powder. With a strong ammonia odor, generally not without anhydrous salt, industrial products are actually ammonium bicarbonate and ammonium carbamate double salt, containing 31% ammonia, carbon dioxide is 56%; Soluble in water, insoluble in ethanol, carbon disulfide and concentrated ammonia. Unstable in the air, will gradually become ammonium bicarbonate and ammonium carbamate, dry matter is very easy to decompose at 58 ℃, release ammonia and carbon dioxide, 70-C when the aqueous solution begins to decompose, unstable to light and heat, slightly hygroscopic.
Last Update：2025-06-10 22:55:16
Crystal ammonia - Preparation Method
Open Data Verified Data
carbonization method: direct synthesis of carbon dioxide, ammonia and steam ammonium carbonate, into the cooling chamber, directly cooled with water, and then refined ammonium carbonate product.
Last Update：2025-06-10 22:55:16
Crystal ammonia - Introduction
There is a strong ammonia odor, spicy taste, alkaline reaction. It decomposes and escapes nitrogen and carbon dioxide in the air and becomes opaque ammonia bicarbonate powder, which is completely volatilized at 60°C.
Last Update：2022-10-16 17:25:38
Crystal ammonia - Application
Open Data Verified Data
- lithium, radium, thorium analysis reagent, also used as fertilizer, extinguishing agent, detergent, and used in medicine, rubber, fermentation and other industries. li is used as a raw material for baking powder, various ammonium salts, a buffer, a printing and dyeing aid, a fertilizer, an analytical reagent, and the like; And edible ammonium carbonate is used as a buffer, a neutralizing agent, a leavening agent, and a fermentation promoter (production of wine).
Last Update：2025-08-19 16:24:40
Crystal ammonia - Safety
Open Data Verified Data
chip inorganic corrosion articles. Packing with sealed glass bottles, jars or iron barrels should be marked with "corrosive items. Should be stored in a cool, ventilated, isolated fire place, the container should be sealed, in order to reduce the loss of ammonia volatilization, to avoid sun decomposition, not
Long-term storage, not combined with acid storage and transportation. Transport should be protected from rain and sun exposure. When there is a fire, it can be suppressed by water and sand. If accidentally splash into the eyes, quickly rinse with plenty of water; Have a stimulating effect on the skin. Should pay attention to dust and dust, protect the respiratory organs, protect the skin.
Last Update：2025-06-10 22:55:16
Crystal ammonia - Reference Information
| Overview | ammonium carbonate, commonly known as ammonium carbonate, is the ammonium salt of carbonic acid, molecular formula (NH4)2CO3. The pure product is a colorless or white cubic crystal or powder with a strong ammonia odor. Industrial products are double salts of ammonium bicarbonate and ammonium carbamate, a white, small block or flake or crushed solid product. Often contain 1 molecules of crystal water, hygroscopic, soluble in water, hot water decomposition. Insoluble in ethanol and carbon disulfide. Ammonium carbonate rapidly decomposes to ammonia, carbon dioxide, and water at 58 °c. Ammonium carbonate can be obtained by passing ammonia through half times the sodium carbonate solution, and the solution is crystallized at 30°C. Ammonium bicarbonate is produced by the gradual loss of ammonia in air. |
| solubility in water (g/100ml) | grams dissolved per 100ml of water: 100g/20 ℃ |
| Chemical formula of the reaction | significant decomposition at room temperature: (NH4)2CO3 → 2NH3 CO2 H2O under low temperature and certain pressure, carbon dioxide and water react with excess ammonia, ammonium carbonate: 2NH3 CO2 H2O →(NH4) ammonium carbonate is prepared by reacting a suspension of 2CO3 ammonium sulfate and calcium carbonate under heating: (NH4)2SO4 CaCO3-→(NH4)2CO3 CaSO4 urea will gradually react with water in aqueous solution to generate ammonium carbonate: CO(NH2)2 2H2O-→(NH4)2CO3 |
| toxicity | if you accidentally splash in the eye, rinse quickly with plenty of water. Has a stimulating effect on the skin. Should pay attention to dust and dust, protect the respiratory organs, protect the skin. |
| Chemical properties | matte orthorhombic crystalline powder. Has a strong ammonia odor. Generally, no anhydrous salt is obtained, and industrial products are actually double salts of ammonium bicarbonate and ammonium carbamate. The ammonia content was 31% and the carbon dioxide content was 56%. Soluble in water, insoluble in ethanol, carbon disulfide and concentrated ammonia. Unstable in air, will gradually become ammonium bicarbonate and ammonium carbamate. The dried material is easily decomposed at 58 °c, and ammonia and carbon dioxide are evolved. The aqueous solution begins to decompose at 70 °c. Unstable to light and heat. Slightly hygroscopic. |
| Use | used as baking powder, raw materials for various ammonium salts, buffers, printing and dyeing auxiliaries, fertilizers and Analytical reagents. Edible ammonium carbonate is used as buffer, neutralizer, leavening agent, fermentation promoter (making wine). used as analytical reagent used as fire extinguishing agent, detergent, and used in medicine, rubber, fermentation and other industries |
| production method | ammonium carbonate is directly synthesized from carbon dioxide, ammonia and steam by carbonization, which is passed into the cooling chamber and directly cooled with water, after refining, ammonium carbonate product was obtained. Its 2NH3 CO2 H2O →(NH4)2CO3 |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | intravenous-mouse LD50: 96 mg/kg; Intravenous-dog LDL0: 200 mg/kg |
| flammability hazard characteristics | toxic nitrogen oxides and ammonia smoke generated at elevated temperatures |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, water mist |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 20:49:11
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Raw Materials for Crystal ammonia
Downstream Products for Crystal ammonia