22831-42-1
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Basic information
- Product Name: ALUMINUM ARSENIDE
- Synonyms: ALUMINUM ARSENIDE;aluminumarsenide(alas);aluminium arsenide;ALUMINUM ARSENIDE -60 MESH;Aluminum arsenide, 99.5% (metals basis);Arsenic aluminide;Aluminum monoarsenide
- CAS NO:22831-42-1
- Molecular Formula: AlAs
- Molecular Weight: 101.9
- EINECS: 245-255-0
- Product Categories: N/A
- Mol File: 22831-42-1.mol
- Article Data: 0
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Chemical Properties
- Melting Point: 1740°C
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /Powder
- Density: 3.81
- Refractive Index: 2.94
- Storage Temp.: N/A
- Solubility: N/A
- Water Solubility: Insoluble in water.
- CAS DataBase Reference: ALUMINUM ARSENIDE(CAS DataBase Reference)
- NIST Chemistry Reference: ALUMINUM ARSENIDE(22831-42-1)
- EPA Substance Registry System: ALUMINUM ARSENIDE(22831-42-1)
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Safety Data
- Hazard Codes: T,N
- Statements: 23/25-50/53
- Safety Statements: 20/21-28-45-60-61
- RIDADR: UN1557
- WGK Germany: 3
- RTECS:
- TSCA: Yes
- HazardClass: 6.1
- PackingGroup: II
- Hazardous Substances Data: 22831-42-1(Hazardous Substances Data)
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22831-42-1 Usage
Chemical Properties
-20 mesh powder(s) with 99.5% purity; semiconductor; band gap, 2.13eV (22°C); electronic dielectric constant, 10.3; lattice constant a=0.5662 nm; enthalpy of fusion 24.5 kJ/mol; uses: in rectifiers, transistors, and thermistors [CIC73] [ALF93] [HAW93]Uses
Aluminum arsenide is used for the manufacture of optoelectronic devices, such as light emitting diodes. It is used in the production of some solar cells. It is also used in rectifiers, transistors, thermistors.Definition
A semiconductor used in rectifiers, transistors, thermistors.Hazard
Poisonous by ingestion.Check Digit Verification of cas no
The CAS Registry Mumber 22831-42-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,3 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.Calculate Digit Verification of CAS Registry Number 22831-42:
(7*2)+(6*2)+(5*8)+(4*3)+(3*1)+(2*4)+(1*2)=91
91 % 10 = 1
So 22831-42-1 is a valid CAS Registry Number.
InChI:InChI=1/Al.As/q+3;-3
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ALUMINUM ARSENIDE
