Aluminumrod
Aluminum
CAS: 7429-90-5
Molecular Formula: Al
Aluminumrod - Names and Identifiers
Aluminumrod - Physico-chemical Properties
| Molecular Formula | Al |
| Molar Mass | 26.98 |
| Density | 2.7 g/mL at 25 °C (lit.) |
| Melting Point | 660.37 °C (lit.) |
| Boling Point | 2460 °C (lit.) |
| Flash Point | 400°C |
| Water Solubility | Insoluble in water. |
| Vapor Presure | 0.13-1300Pa at 974℃ |
| Appearance | wire |
| Specific Gravity | 2.702 (Water=1) |
| Color | Yellow |
| Odor | Odorless |
| Exposure Limit | TLV-TWA 10 mg/m3 (Al dust), 5 mg/m3(pyrophoric Al powder and welding fumes),2 mg/m3 (soluble Al salts and alkyls)(ACGIH). |
| Merck | 13,321 / 13,321 |
| PH | 0.5 (H2O, 20°C) |
| Storage Condition | Flammables area |
| Stability | Stable. Powder is flammable. Reacts very exothermically with halogens. Moisture and air sensitive. Incompatible with strong acids, caustics, strong oxidizing agents, halogenated hydrocarbons. |
| Sensitive | Moisture Sensitive |
| Physical and Chemical Properties | aluminum powder is silver-white scaly powder, with excellent hiding power, floating property, opaque to light, reflective ability to ultraviolet rays, heat dissipation effect on heat energy irradiated by sunlight, and good weather resistance, it has excellent corrosion and water resistance properties, and is currently the most widely used metal pigment. Because the aluminum powder is easy to fly and spread, it is very inconvenient to use, and the aluminum silver paste and solvent oil are usually made into aluminum powder slurry. Aluminum powder paste for Paste, generally containing about 65% of aluminum powder. silver-white scaly powder. The relative density was 2.55. Melting point 685 °c. Boiling point 2065 °c. Due to the adsorption of fatty acids on the surface of aluminum powder, aluminum powder is easy to float in the liquid. Flake aluminum powder particles, the ratio of the diameter and thickness of the sheet is about 100:1, and the aluminum powder dispersed in the carrier has the characteristics of parallel with the low material, many particles are connected, the sizes of the particles fill each other to form a continuous metal film, which reflects foreign light and has excellent hiding power. The continuous metal film formed by aluminum powder can be arranged in parallel at multiple levels in the carrier film, cutting off the capillary pores of the film-forming material, thus playing a good shielding role. It has the ability to reflect ultraviolet, infrared and visible light, and has the effect of heat dissipation on sunlight irradiation. Aluminum pigment has a good "two-color effect" characteristics. Good weather resistance. Soluble in acid or alkali, and acid reaction will produce hydrogen. |
| Use | Used in paint, ink, fireworks, explosives and other industries, also used as Air entraining agent for porous concrete used in the manufacture of anti-corrosion, anti-rust coatings, high temperature resistant coatings, decorative coatings, because these coatings have good ability to emit light and heat, and good weather resistance, they are widely used for surface coating of oil tanks, storage tanks, ship bottoms and heating equipment. inorganic pigment. Mainly used in the manufacture of anti-rust aluminum paint. It is widely used for anti-rust coating on the surface of chemical equipment. In addition, can also be used for the manufacture of a variety of fireworks, fireworks and pesticide size. |
Aluminumrod - Risk and Safety
| Risk Codes | R17 - Spontaneously flammable in air R15 - Contact with water liberates extremely flammable gases R36/38 - Irritating to eyes and skin. R10 - Flammable R67 - Vapors may cause drowsiness and dizziness R65 - Harmful: May cause lung damage if swallowed R62 - Possible risk of impaired fertility R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R48/20 - R38 - Irritating to the skin R11 - Highly Flammable R50 - Very Toxic to aquatic organisms |
| Safety Description | S7/8 - S43A - S43 - In case of fire use ... (there follows the type of fire-fighting equipment to be used.) S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37 - Wear suitable protective clothing and gloves. S33 - Take precautionary measures against static discharges. S29 - Do not empty into drains. S16 - Keep away from sources of ignition. S9 - Keep container in a well-ventilated place. |
| UN IDs | 1396 |
| WGK Germany | 3 |
| RTECS | BD0330000 |
| TSCA | Yes |
| HS Code | 76032000 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | An element that is abundant (about 8%) in the crust of the earth. Aluminum appears to have no biological function and, from the point of view of acute toxicity, is essentially non-toxic. Because it is primarily eliminated by excretion, people with compromised kidney function may accumulate the metal. In kidney dialysis patients, this is a particular problem because the dialyzing solution may contain high concentrations of aluminum. This condition (dialysis encephalopathy or dialysis dementia) has symptoms that include impaired memory, EEG changes, dementia, aphasia, ataxia, and convulsions.One possible mechanism of toxicity may be inhibition of hexokinases in the brain. The chelating agent deferoxamine has been used successfully in treating this condition.Aluminum is one of the primary toxicants leached into surface water (and, therefore, water supplies) by acid deposition. The connection between aluminum and Alzheimers disease is controversial and many investigators believe there is no connection. |
Aluminumrod - Upstream Downstream Industry
| Downstream Products | Aluminum hydroxide Aluminum sulfate ferrovanadium Aluminium phosphide |
Aluminumrod - Nature
Open Data Verified Data
is a white ductile metal. Melting Point: 660. 37 ℃; Boiling Point: 2467 ℃; Relative density: 102. Soluble in alkali, hydrochloric acid, sulfuric acid, insoluble in water, concentrated nitric acid, hot acetic acid. Good conductor for heat and electricity. It has better conductivity, ductility, reflectivity and corrosion resistance than the original aluminum. The powder and air can form an explosive mixture. When it reaches a certain concentration, an explosion will occur when it encounters Mars. Mixing with an oxidizing agent can form an explosive mixture. With fluorine, chlorine, etc. can occur intense chemical reaction.
Last Update：2024-01-02 23:10:35
Aluminumrod - Preparation Method
Open Data Verified Data
with high quality refined aluminum as raw material, high purity aluminum products were prepared by directional solidification and purification. Alternatively, high-purity aluminum is obtained by electrolysis, the anode is an alloy of coarse aluminum and copper, and the cathode is high-purity aluminum. When electrolysis is carried out in an electrolytic bath containing aluminum ions, 99 is precipitated at the cathode. More than 99% of the high purity aluminum, the electrolysis temperature is about 750.
Last Update：2022-01-01 08:53:40
Aluminumrod - Use
Open Data Verified Data
ultra-high purity aluminum has many excellent properties, in the electronic industry, automotive, aerospace, chemical, military and other fields have a wide range of applications. Semiconductor Manufacturing sputtering target materials, superconducting cable stabilization materials, super alloy necessary elements for the manufacture of aluminum mirrors, magnetic suspension material, high-performance wires, integrated circuit bonding wire, optoelectronic storage media, such as CD, CD-ROM, CD-RW, data or Micro disk, DVD silver disk, etc. It is also the blade material of the aerospace engine and the missile launch engine. The use of high purity aluminum in the field of electronic aluminum foil accounts for about 70% of the consumption of high purity aluminum, and other uses account for about 30%.
Last Update：2022-01-01 08:53:41
Aluminumrod - Safety
Open Data Verified Data
belongs to the micro toxic class. Long-term inhalation can cause aluminum pneumoconiosis. Keep away from fire and heat source. Protection from direct sunlight. Keep the container sealed. The treatment was operated in nitrogen. Should be stored separately from the oxidant, acid, alkali. Mixed storage and transportation should not be avoided. Should be stored in a clean, ventilated, dry and acid, alkali atmosphere in the warehouse, to prevent product contamination deterioration. Protection against rain and moisture during transportation. When loading and unloading, it should be handled with light and no violent collision.
Last Update：2022-01-01 08:53:41
Aluminumrod - Reference Information
| resistivity | 2.6548 ***-cm |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| identification test | solubility insoluble in water and organic solvents, soluble in dilute hydrochloric acid (OT-42). Aluminum Test the aluminum test was positive for dilute hydrochloric acid solution (IT-2). |
| content analysis | accurately weigh about 0.2g of sample and transfer it into a 500ml flask, the plug was provided with a brown rubber stopper with a separating funnel of 150 ml, with one inlet connected to the carbon dioxide generating column and the other outlet connected to the water ejector. Add 60ml of water immediately after boiling and cooling to disperse the sample; Replace the air with carbon dioxide, 100ml of an aqueous solution containing 56g of ammonium ferric sulfate and 7.5ml of sulfuric acid (water is used immediately after boiling and cooling) is added via a separatory funnel, when the air in the flask is completely replaced by carbon dioxide, heat to boiling and maintain for 5min. When the sample was completely dissolved, it was rapidly cooled to 20 °c and diluted to 250ml with water immediately after boiling and cooling. 50ml of the solution was taken, 15ml of phosphoric acid was added, and the solution was titrated with 0.1mol/L potassium permanganate solution. Consumption of 0.1mol/L per 1 ml of potassium permanganate equivalent to 0.8994mg al. |
| toxicity | ADI total aluminum content 7 mg/kg(FAO/WHO,1998). |
| Use limit | is limited to moderate surface decoration. A candy for use in powdered sugar. |
| Use | inorganic pigment. Mainly used in the manufacture of anti-rust aluminum paint. It is widely used for anti-rust coating on the surface of chemical equipment. In addition, can also be used for the manufacture of a variety of fireworks, fireworks and pesticide size. used in the manufacture of anti-corrosion, anti-rust coatings, high temperature resistant coatings, decorative coatings, because these coatings have good ability to emit light and heat, good weather resistance, widely used in oil tank car, storage tank, surface coating of Ship Bottom and heating equipment. for the electronics industry, high-purity alloys and laser materials. used in paint, ink, fireworks, explosives and other industries, also used as Air entraining agent for porous concrete used as packaging materials for frozen fruits, meat, cakes and so on used as deoxidizing agent, reducing agent, also used in alloy manufacturing used in the preparation of Hammer paint, bottom dual-purpose paint and art paint, etc. used as hot hydrogen generator, Gel propellant, combustion activator, Catalyst, water cleaning adsorbent, sintering activator is mainly used as aluminum alloy, but also used in preparation of pure metal and carbon iron alloy by aluminothermic method used as reducing agent and deoxidizing agent used in alloy manufacturing edible pigment; surface decorative pigment. used in paint, ink, refractory and other industries, also used as Air entraining agent for porous concrete 1, high efficiency catalyst the addition of aluminum nano powder to solid fuel propellant of rocket can greatly improve the combustion speed and heat of combustion, and improve the stability of combustion. 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. |
| method of production | aluminium granules are ground in the presence of edible vegetable oil or food-grade fatty acids. In the three-layer electrolysis method, the anode is an alloy of coarse aluminum and copper, and the cathode is made of high-purity aluminum. When electrolysis is performed in an electrolytic bath containing aluminum ions, 99.99% or more of the high-purity aluminum is precipitated at the cathode. The representative composition of the electrolysis bath is: BaCl, 60%, NaF 17%, A1F 323% or AIF 348%, NaF, 18%, BaF 218%, NaF 216%, and the electrolysis temperature is about 750 °c. High quality refined aluminum is used as raw material by directional solidification and purification to obtain high purity aluminum product. The aluminum ingot is melted and sprayed into powder or ground with kerosene and stearic acid in a ball mill, rinsed with kerosene, blotted dry, and then mixed with an appropriate amount of 200# coal char solvent. The aluminum ingot is melted and sprayed into powder; Or the aluminum foil is ground by ball mill into kerosene and stearic acid for grinding, washed with kerosene and dried. |
| category | flammable articles in water |
| explosive hazard characteristics | explosive in water |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants, acids and alkalis |
| extinguishing agent | dry sand, dry soil |
| Occupational Standard | TWA 5 mg/m3 (dust) |
| spontaneous combustion temperature | 400°C |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-24 15:07:27
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View History
Aluminumrod
N-(3-amino-4-chlorophenyl)-2-[(1-cyclopropyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]acetamide
8-chloro-10,11-dihydrodibenzo[b,f]thiepin-10-ol
42950-36-7
3-(Phenethyl(phenyl)aMino)propanenitrile
[29H,31H-phthalocyanine-2,9,16,23-tetrasulphonyl tetrachloridato(2-)-N29,N30,N31,N32]copper
1H-Purine-2,6-dione, 8-(ethylthio)-3,7-dihydro-1,3-dimethyl-7-(2-propen-1-yl)-
610750-34-0
127464-43-1
847684-81-5
N-(3-amino-4-chlorophenyl)-2-[(1-cyclopropyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]acetamide
8-chloro-10,11-dihydrodibenzo[b,f]thiepin-10-ol
42950-36-7
3-(Phenethyl(phenyl)aMino)propanenitrile
[29H,31H-phthalocyanine-2,9,16,23-tetrasulphonyl tetrachloridato(2-)-N29,N30,N31,N32]copper
1H-Purine-2,6-dione, 8-(ethylthio)-3,7-dihydro-1,3-dimethyl-7-(2-propen-1-yl)-
610750-34-0
127464-43-1
847684-81-5
Downstream Products for Aluminumrod