ALUMINUM NITRATE, 9-HYDRATE
Aluminum nitrate nonahydrate, low mercury
CAS: 7784-27-2
Molecular Formula: AlH6NO4
ALUMINUM NITRATE, 9-HYDRATE - Names and Identifiers
| Name | Aluminum nitrate nonahydrate, low mercury |
| Synonyms | ALUMINIUM STANDARD ALUMINUM NITRATE 9H2O ALUMINIUM NITRATE 9H2O ALUMINUM NITRATE HYDRATED ALUMINUM NITRATE, HYDROUS ALUMINUM NITRATE, 9-HYDRATE ALUMINUM NITRATE NONAHYDRATE Aluminum nitrate nonahydrate Aluminium nitrate nonahydrate nitricacid,aluminumsaltnonahydrate Aluminum nitrate nonahydrate, low mercury |
| CAS | 7784-27-2 |
| EINECS | 616-523-8 |
| InChI | InChI=1/Al.NO3.9H2O/c;2-1(3)4;;;;;;;;;/h;;9*1H2/q+3;-1;;;;;;;; |
| InChIKey | SWCIQHXIXUMHKA-UHFFFAOYSA-N |
ALUMINUM NITRATE, 9-HYDRATE - Physico-chemical Properties
| Molecular Formula | AlH6NO4 |
| Molar Mass | 111.03 |
| Density | 1.25 |
| Melting Point | 73°C(lit.) |
| Boling Point | 100°C/760mmHg |
| Water Solubility | 64 g/100 mL (25 ºC) |
| Solubility | ethanol: very soluble(lit.) |
| Appearance | Solid |
| Color | White |
| Exposure Limit | NIOSH: TWA 2 mg/m3 |
| Merck | 14,352 |
| PH | 2.0-4.0 (50g/l, H2O, 20℃) |
| Storage Condition | Store at +5°C to +30°C. |
| Stability | Strong oxidizer - contact with combustible material may lead to fire. Incompatible with water, most common metals, organics. Moisture-sensitive. |
| Sensitive | Hygroscopic |
| Physical and Chemical Properties | Colorless orthorhombic crystal. Soluble in water, ethanol, acetone, nitric acid. Its aqueous solution is acidic. |
ALUMINUM NITRATE, 9-HYDRATE - Risk and Safety
| Risk Codes | R8 - Contact with combustible material may cause fire R36/38 - Irritating to eyes and skin. R36 - Irritating to the eyes R22 - Harmful if swallowed |
| Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| UN IDs | UN 1438 5.1/PG 3 |
| WGK Germany | 1 |
| RTECS | BD1050000 |
| TSCA | Yes |
| HS Code | 28342980 |
| Hazard Class | 5.1 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 3671 mg/kg |
ALUMINUM NITRATE, 9-HYDRATE - Reference Information
| toxicity | inhalation of aluminum nitrate dust can damage the lungs. Contact with the skin can cause eczema and dermatitis, the dust can stimulate the eyes, nasal cavity. The maximum allowable concentration is 6 mg/m3. Production personnel should wear work clothes, protective masks, latex gloves and other labor protection articles, should pay attention to protect the skin. Production equipment should be closed, ventilation should be good, should pay attention to dust. |
| Use | for Catalyst, mordant, tanning agent, corrosion inhibitor, other aluminum salts and used as salting-out agents in the nuclear industry used as analytical reagents, oxidants and mordant used in the manufacture of catalysts for organic synthesis, mordant for the printing and dyeing industry, as tanning and leather finishing agents. It is also used in the manufacture of other aluminum salt products. 1. High efficiency catalyst the addition of aluminum nano powder to the solid fuel propellant of the rocket can greatly improve the combustion speed and combustion heat of the fuel, and improve the combustion stability. 2, metal and non-metal surface conductive coating treatment due to nano aluminum, copper, nickel has a high activation surface, in the absence of oxygen conditions can be applied at a temperature lower than the melting point of the powder coating. This technique can be applied to the production of microelectronic devices. 3, activated sintering additive nano powder due to the surface area and the proportion of surface atoms are very large, so it has a high energy state, at a low temperature will have a strong sintering ability, it is an effective sintering additive. AlN/Al nano powder has Sintering Behavior at about 300 degrees C, and there is obvious sintering. The sintering process, density and thermal conductivity of the ceramics with high thermal conductivity can be improved by mixing 5 ~ 10% ALN nano-powder into ALN powder. If it is used as a substrate for integrated components, the thermal conductivity will be increased by about 10 times, which can solve the problem of integration of integrated components. |
| production method | synthesis method after cleaning the metal aluminum plate with 10% caustic soda solution to remove oil from the surface, rinse with water, put into the reactor with stirring, add a small amount of mercury oxide as oxidant, then slowly add about 38% dilute nitric acid, with steam heating the reaction at 110~115 deg C for 2H, the concentration of the reaction solution is 25~32 ° Bé, after clarification and filtration, the filtrate is concentrated to 45~47 ° Bé by evaporation, then cooled, crystallized and centrifuged, finished aluminum nitrate was obtained. The mother liquor of Al +6HNO3 → Al(NO3)3 + 3H2O +3NO2 is sent to the evaporator for recycling. The nitrogen dioxide gas released during the reaction can be absorbed by alkali to produce sodium nitrite or sodium nitrate. Aluminum ash-nitric acid method the caustic soda solution and aluminum ash are added into the reactor for reaction to generate sodium aluminate, and then nitric acid is added for reaction to generate aluminum hydroxide and sodium nitrate. After the reaction solution is filtered, aluminum nitrate solution is prepared by dissolving aluminum hydroxide and nitric acid, and then filtered, concentrated by evaporation, cooled crystallization and centrifugal separation to obtain aluminum nitrate product. 2Al + 2NaOH + ZH2O → 2NaAIO2+3H2NaAIO2 + HNO3 + H2O → AI(OH)3 + NaNO32AI(OH)3+6HNO3 → 2AI(NO3)3 + 6H2O |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 3671 mg/kg; Oral-mouse LD50: 3980 mg/kg |
| flammability hazard characteristics | toxic NOx smoke generated at high temperature |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide |
| Occupational Standard | TWA 2 mg (aluminum)/m3 |
Last Update：2024-04-10 22:29:15
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