1303-00-0|Gallium arsenide (GaAs)Products Supply - Chemical intermediates Network

Gallium arsenide (GaAs) cas no:1303-00-0

Synonyms: Galliumarsenide;Gallium monoarsenide;Gallium monoarsenide (GaAs);

Identification

NameGallium arsenide (GaAs)
CAS1303-00-0
SynonymsGalliumarsenide;Gallium monoarsenide;Gallium monoarsenide (GaAs);
EINECS(EC#)215-114-8
Molecular FormulaGaAs
Molecular Weight144.64

Chemical Properties

AppearanceGray cubic crystals

Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)

Hazardclass6.1

Safety Data

Hazard Toxic metal.
Risk R23/25
Safety

The Hazard Codes of Gallium arsenide (CAS NO.1303-00-0): Toxic T Dangerous N
Risk Statements: R23/25:Toxic by inhalation and if swallowed. R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Statements: S20/21: When using, do not eat, drink or smoke S28:After contact with skin, wash immediately with plenty of soap-suds. S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60:This material and its container must be disposed of as hazardous waste. S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR: UN 1557 6.1/PG 2
WGK Germany: 3
RTECS: LW8800000
F: 10
TSCA:Yes
HazardClass: 6.1
PackingGroup: II
Confirmed carcinogen. Mildly toxic by intraperitoneal route. Most arsenic compounds are poisons. Can react with steam, acids, and acid fumes to evolve the deadly poisonous arsine. Molten gallium arsenide attacks quartz. When heated to decomposition it emits very toxic fumes of As. See also ARSENIC COMPOUNDS and GALLIUM COMPOUNDS.

Toxicity

The toxicity of Gallium arsenide (CAS NO.1303-00-0):

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD₅₀	intraperitoneal	4700mg/kg (4700mg/kg)	PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL)	Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 13, 1980.
rat	LD₃₀	intraperitoneal	10gm/kg (10000mg/kg)	BEHAVIORAL: EXCITEMENT BEHAVIORAL: ATAXIA LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION	Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 24(3), Pg. 45, 1980.

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Gallium arsenide (GaAs) cas no:1303-00-0

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