UN3283
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Selenium(IV) oxide, 99% trace metals basis
BeanTown ChemicalCAS: 7446-08-4 EC No: 231-194-7 MDL No: MFCD00003562 RTECS: VS8575000 UN No: UN3283; Haz Class: 6.1; Packing Group: II Powder Linear Formula: SeO2 MW: 110.96 Melting Point: 315° (sublimes) Density (g/mL): 3.95
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Zinc selenide, Optical Grade, 99.999% (metals basis)
Thermo Scientific ChemicalsFormula: ZnSe Formula weight: 144.33 Purity: 99.999% (metals basis) CAS Number: 1315-09-9 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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Potassium selenocyanate, 98.5%
BeanTown ChemicalCAS: 3425-46-5 EC No: 222-320-1 MDL No: MFCD00011366 RTECS: VT4000000 UN No: UN3283; Haz Class: 6.1; Packing Group: II Crystalline Linear Formula: KSeCN MW: 144.08 Melting Point: 147° Density (g/mL): 2.35
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Potassium selenocyanate, 98.5%
Thermo Scientific ChemicalsFormula: KSeCN Formula weight: 144.08 Purity: 98.5% CAS Number: 3425-46-5 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through…
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2-Nitrophenylselenocyanate, 97%
BeanTown ChemicalCAS: 51694-22-5 EC No: 257-350-4 MDL No: MFCD00043146 UN No: UN3283; Haz Class: 6.1; Packing Group: II Crystalline/Solid Molecular Formula: C7H4N2O2Se MW: 227.08 Melting Point: 140-142°
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Selenium(IV) oxide, 99.999% trace metals basis
BeanTown ChemicalCAS: 7446-08-4 EC No: 231-194-7 MDL No: MFCD00003562 UN No: UN3283; Haz Class: 6.1; Packing Group: II Powder/Lump Linear Formula: SeO2 MW: 110.96 Melting Point: 315° (sublimes) Density (g/mL): 3.95
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Diphenyl diselenide, 98%
BeanTown ChemicalCAS: 1666-13-3 EC No: 216-780-2 MDL No: MFCD00003001 RTECS: JM9152500 UN No: UN3283; Haz Class: 6.1; Packing Group: II Powder Molecular Formula: C12H10Se2 MW: 312.13 Melting Point: 59-61°
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Ebselen
Thermo Scientific ChemicalsFormula: C13H9NOSe Formula weight: 274.20 CAS Number: 60940-34-3 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2934.99 Hazard Statements: H331-H373 Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. …
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Selenium Dioxide, 99.8%
GFS ChemicalsSeO2 CAS#: 7446-08-4 F.W.: 110.96 May contain traces of unreacted selenium which appear as black specks.
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Synonym(s): NSC 56753; Selenium oxide Empirical Formula: O2Se Linear Formula: SeO2 Formula Weight: 110.96 MDL Number: MFCD00003562 Purity: 99.8% trace metals basis Melting Point: 315 °C (subl.)(lit.)
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Selenium(IV) oxide, 99.4% (metals basis)
Thermo Scientific ChemicalsSynonym(s): Selenium dioxide Formula: O2Se Formula weight: 110.96 Purity: 99.4% (metals basis) CAS Number: 7446-08-4 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2811.29 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if…
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Selenium Dioxide, Purified
Spectrum ChemicalGrade: Purified CAS No.: 7446-08-4 UN No.: UN3283 Class: 6.1 Pkg. Group: PG III
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Selenium(IV) oxide, Puratronic r, 99.999% (metals basis)
Thermo Scientific ChemicalsSynonym(s): Selenium dioxide Formula: SeO2 Formula weight: 110.96 Purity: 99.999% (metals basis) CAS Number: 7446-08-4 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2811.29 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if…
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Dibenzyl diselenide, 95%
Thermo Scientific ChemicalsSynonym(s): Benzyl diselenide Formula: C6H5CH2Se-SeCH2C6H5 Formula weight: 340.18 Purity: 95% CAS Number: 1482-82-2 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2931.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if…
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Selenourea, 99%
Thermo Scientific ChemicalsFormula: (H2N)2C=Se Formula weight: 123.02 Purity: 99% CAS Number: 630-10-4 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2931.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through…
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Iron(II) selenide, 99.9% (metals basis)
Thermo Scientific ChemicalsFormula: FeSe Formula weight: 134.81 Purity: 99.9% (metals basis) CAS Number: 1310-32-3 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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2-Nitrophenylselenocyanate, 97%
Thermo Scientific ChemicalsFormula: C7H4N2O2Se Formula weight: 227.08 Purity: 97% CAS Number: 51694-22-5 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2931.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through…
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3,4,5-Trifluorophenylzinc bromide, 0.5M in THF, packaged under Argon in…
Thermo Scientific Chemicals -
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Niobium(IV) selenide, 99.8% (metals basis)
Thermo Scientific ChemicalsFormula: NbSe2 Formula weight: 250.83 Purity: 99.8% (metals basis) CAS Number: 12034-77-4 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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Zinc selenide, 99.995% (metals basis)
Thermo Scientific ChemicalsFormula: ZnSe Formula weight: 144.33 Purity: 99.995% (metals basis) CAS Number: 1315-09-9 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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Zinc selenide
Thermo Scientific ChemicalsFormula: ZnSe Formula weight: 144.33 CAS Number: 1315-09-9 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated…
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Ebselen
Cayman ChemicalEbselen acts as a glutathione peroxidase mimic and is an excellent scavenger of peroxynitrite with a rate constant of 2 x 106 M−1s−1. The glutathione peroxidase-like activity of ebselen inhibits cyclooxygenase and lipoxygenases at micromolar concentrations.
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Zinc selenide, 99.999% (metals basis)
Thermo Scientific ChemicalsFormula: ZnSe Formula weight: 144.33 Purity: 99.999% (metals basis) CAS Number: 1315-09-9 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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Chromium selenide, 99.5% (metals basis)
Thermo Scientific ChemicalsFormula: CrSe (major phase) Formula weight: 130.96 Purity: 99.5% (metals basis) CAS Number: 12053-13-3 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause…
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Strontium selenide, 99.5% trace metals basis
BeanTown ChemicalCAS: 1315-07-7 EC No: 215-258-1 MDL No: MFCD00054059 UN No: UN3283; Haz Class: 6.1; Packing Group: III -20 Mesh Powder Linear Formula: SrSe MW: 166.58 Melting Point: 1600°
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Indium(III) selenide, 99.99% trace metals basis
BeanTown ChemicalCAS: 12056-07-4 EC No: 235-016-9 MDL No: MFCD00016147 UN No: UN3283; Haz Class: 6.1; Packing Group: III 3-6mm Pieces Molecular Formula: In2Se3 MW: 466.52 Density (g/mL): 5.67
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Diphenyl Diselenide For Synthesis
MilliporeSigmaCAS No.: 1666-13-3 UN No.: UN3283 Solubility: (20°C) insoluble Melting Point: 58 - 61°C Molar Mass: 312.13 g/mol
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Selenourea, 99%
BeanTown ChemicalCAS: 630-10-4 EC No: 211-129-9 MDL No: MFCD00008065 UN No: UN3283; Haz Class: 6.1; Packing Group: II Crystalline/Needles Linear Formula: (H2N)2C=Se MW: 123.02 Melting Point: 210-215° (decomposes)
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Zinc selenide, 99.99% (metals basis)
Thermo Scientific ChemicalsFormula: ZnSe Formula weight: 144.33 Purity: 99.99% (metals basis) CAS Number: 1315-09-9 UN Number: UN3283 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2842.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to…
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Selenious Acid, Reagent
Spectrum ChemicalGrade: Reagent CAS No.: 7783-00-8 UN No.: UN3283 Class: 6.1 Pkg. Group: PG III
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Niobium(IV) selenide, 99.5% trace metals basis
BeanTown ChemicalCAS: 12034-77-4 EC No: 234-811-8 MDL No: MFCD00016228 UN No: UN3283; Haz Class: 6.1; Packing Group: III 5 Micron Powder Molecular Formula: NbSe2 MW: 250.83 Melting Point: >1316° Density (g/mL): 6.3