Gallium arsenide , Shop, 99.999%MetalsBasis , 1303-00-0

Synonym(s):
Gallium monoarsenide

CAS NO.：1303-00-0

Empirical Formula: AsGa

Molecular Weight: 144.64

MDL number: MFCD00011017

EINECS: 215-114-8

PRODUCT Properties

• Melting point: 1238°C
• Density: 5.31 g/mL at 25 °C (lit.)
• vapor pressure: 0Pa at 20℃
• refractive index: 3.57
• form: pieces
• color: Dark gray
• Specific Gravity: 5.31
• Resistivity: ≥1E7 Ω-cm
• Water Solubility: Soluble in hydrochloric acid. Insoluble in water, ethanol, methanol and acetone.
• semiconductor properties: <100>
• Crystal Structure: Cubic, Sphalerite Structure - Space Group F(-4)3m
• Merck: 14,4347
• InChI: 1S/As.Ga
• InChIKey: JBRZTFJDHDCESZ-UHFFFAOYSA-N
• SMILES: [Ga]#[As]
• Knoop Microhardness: 7500, N/mm2
• CAS DataBase Reference: 1303-00-0(CAS DataBase Reference)
• IARC: (Vol. 86, 100C) 2012
• EPA Substance Registry System: Gallium arsenide (1303-00-0)

Description and Uses

Gallium arsenide is electroluminscent in infrared light and is used for telephone equipment, lasers, solar cell, and other electronic devices. GaAs is used as the substrate of the infrared low-pass filter.

Safety

• Symbol(GHS): GHS08
• Signal word: Danger
• Hazard statements: H350-H360F-H372
• Precautionary statements: P202-P260-P264-P270-P280-P308+P313
• target organs: Respiratory system,hematopoietic system
• Hazard Codes: T,N
• Risk Statements: 23/25-50/53-48/23-45
• Safety Statements: 20/21-28-45-60-61-53
• RIDADR: UN 1557 6.1/PG 2
• WGK Germany: 3
• RTECS: LW8800000
• F: 10
• TSCA: TSCA listed
• HazardClass: 6.1
• PackingGroup: II
• HS Code: 2853909090
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2; very toxic hazardous materials
• Hazard Classifications: Carc. 1B; Repr. 1B; STOT RE 1
• Hazardous Substances Data: 1303-00-0(Hazardous Substances Data)
• Toxicity: mouse,LD50,intraperitoneal,4700mg/kg (4700mg/kg),BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)BEHAVIORAL: FOOD INTAKE (ANIMAL),Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 13, 1980.