Aluminum suppliers
Aluminum
- CAS:
- 7429-90-5
- MF:
- Al
- MW:
- 26.98
Properties
- Melting point:
- 660.37 °C (lit.)
- Boiling point:
- 2460 °C (lit.)
- Density
- 2.7 g/mL at 25 °C (lit.)
- vapor pressure
- 0.13-1300Pa at 974℃
- Flash point:
- 400°C
- storage temp.
- Flammables area
- solubility
- insoluble in H2O; soluble in acid solutions, alkaline solutions
- form
- wire
- Specific Gravity
- 2.702 (Water=1)
- color
- Yellow
- PH
- 0.5 (H2O, 20°C)
- Odor
- Odorless
- Resistivity
- 2.6548 μΩ-cm
- Water Solubility
- Insoluble in water.
- Sensitive
- Moisture Sensitive
- Merck
- 13,321 / 13,321
- Exposure limits
- 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).
- Dielectric constant
- 1.6-1.8(0.0℃)
- Stability:
- Stable. Powder is flammable. Reacts very exothermically with halogens. Moisture and air sensitive. Incompatible with strong acids, caustics, strong oxidizing agents, halogenated hydrocarbons.
- CAS DataBase Reference
- 7429-90-5(CAS DataBase Reference)
- NIST Chemistry Reference
- Aluminum(7429-90-5)
- EPA Substance Registry System
- Aluminum (7429-90-5)
Safety Information
- Symbol(GHS)
GHS02
- Signal word
- Danger
- Hazard statements
- H228-H261
- Precautionary statements
- P210-P223-P231+P232-P240-P241-P280
- Hazard Codes
- F,Xi,Xn,N
- Risk Statements
- 17-15-36/38-10-67-65-62-51/53-48/20-38-11-50
- Safety Statements
- 7/8-43A-43-26-62-61-36/37-33-29-16-9
- RIDADR
- 1396
- OEB
- B
- OEL
- TWA: 10 mg/m3 (total)
- WGK Germany
- 3
- RTECS
- BD0330000
- Autoignition Temperature
- 400 °C
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- III
- HS Code
- 76032000
- Hazardous Substances Data
- 7429-90-5(Hazardous Substances Data)
- 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.
Use
Aluminium is used in a huge variety of products including cans, foils, kitchen utensils, window frames, beer kegs and aeroplane parts.
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