| Identification | More | [Name]
ARSENIC (III) SELENIDE | [CAS]
1303-36-2 | [Synonyms]
ARSENIC (III) SELENIDE
ARSENIC SELENIDE
ARSENIC TRISELENIDE
arsenicselenide(as2se3)
arsenicsesquiselenide
Arsenicsesquiselenide(As2Se3)
arsenousselenide
diarsenictriselenide
Diarsenictriselenide(As2Se3)
diarsenictriselenide(asse3)
Arsenicselenideblackxtl
ARSENIC(III) SELENIDE 99.99%
ARSENIC SELENIDE, 99.999%
Arsenic(III)selenide(99.999%-As)PURATREM
Arsenic(III) selenide, 99.999% (metals basis)
2,4,5-Triselena-1,3-diarsabicyclo[1.1.1]pentane | [EINECS(EC#)]
215-119-5 | [Molecular Formula]
As2Se3 | [MDL Number]
MFCD00014166 | [Molecular Weight]
386.72 | [MOL File]
1303-36-2.mol |
| Hazard Information | Back Directory | [Chemical Properties]
black crystal(s); dark brown solid; preparation: from melted As and Se; uses: vacuum deposition [CER91] [STR93] [MER06] | [Uses]
Arsenicselenide is used as a chalcogenide glass for infrared optics, as it transmits light with wavelengths between 870 nm and 17.2 μm. | [Definition]
Arsenic tri-selenide takes amorphous or glassy material. Strong absorption bands are observed when As2O3 is incorporated into the source materials or As2O3 is formed during fabrication by oxidetion. As2O3 takes the cubic system, the monoclinic system, and the glassy state. The strong absorption bands are observed at 1050, 805, and 480 cm-1 for the cubic crystal system, at 1100, 805 cm-1 for the monoclinic crystal system and at 805 and 630 cm-1 for the glassy material. The absorptions in the transmittance spectrum T2 agree with either of these absorption bands. | [Production Methods]
As and Se are encapsuled into a quartz tube in vacuum and the tube is put into a rocking furnace. The capsule is heated at the temperature slightly higher than the melting point and rocked to mix each component completely followed by slow cooling.
| [Safety Profile]
Low toxicity by ingestion. Whenheated to decomposition it emits toxic vapors of As andSe. |
| Safety Data | Back Directory | [Hazard Codes ]
T,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 ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S60:This material and/or its container must be disposed of as hazardous waste . | [RIDADR ]
1557 | [RTECS ]
CG2285000 | [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
6.1 | [PackingGroup ]
II |
|
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Energy Chemical
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3A Chemicals
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