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Selenium

   

Selenium
Symbol: Se
Number: 34
Element category: Metalloid
CAS number:
7782-49-2
Standart atomic weight: 78,971
Density: 4,819 g/cm3
Hardness: 2,0
Melting point:
221°C (429.8°F)
Boiling point:
685°C (1265°F)

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Ammonium selenate - 10g
Ammonium selenate - 10g

CAS Nr: 7783-21-3    (NH4)2SeO4 H300, H331, H317, H411 P273, P280 R28, R23, R31..

Ammonium selenite 10g
Ammonium selenite 10g

CAS Nr: 7783-19-9    (NH4)2SeO3  H301, H331, H373, H410 P261, P273, P301 + P..

Barium selenate - 10g
Barium selenate - 10g

CAS Nr: 7787-41-9    BaSeO4 H300, H331, H317, H411 P273, P280 R28, R23, R31, R4..

Barium selenite 100g
Barium selenite 100g

CAS Nr: 13718-59-7    BaSeO3 H300, H331, H317, H411 P273, P280 R28, R23, R31, R..

Barium selenite 10g
Barium selenite 10g

CAS Nr: 13718-59-7    BaSeO3 H300, H331, H317, H411 P273, P280 R28, R23, R31, R..

Cadmium selenide 99,99% - 10g
Cadmium selenide 99,99% - 10g

CAS Nr: 1306-24-7    CdSe H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Cadmium selenide 99,99% - 10g
Cadmium selenide 99,99% - 10g

Weight per pellet approx 1g CAS Nr: 1306-24-7    CdSe H301, H331, H373, H410 ..

Cadmium selenite - 10g
Cadmium selenite - 10g

CAS Nr: 13814-59-0   CdSeO3 H301, H331, H373, H410 P261, P273, P301 + P310, ..

Cesium-chromium selenate (crystal cluster) - 10g  SOLD!!!!!!!!!!!!!
Cesium-chromium selenate (crystal cluster) - 10g SOLD!!!!!!!!!!!!!

CAS Nr: 100736-96-7     CsCr(SeO4) x 12H2O H300, H331, H317, H411 P273, P280 R2..

Chromium(II) selenide 99,5% - 10g
Chromium(II) selenide 99,5% - 10g

CAS Nr: 12053-13-3    CrSe H301, H331, H373, H410 P261, P273, P301 + P310, P311, ..

Copper(II) selenide - 10g
Copper(II) selenide - 10g

CAS Nr: 1317-41-5      CuSe H300, H331, H317, H411 P273, P280 R28, R23, R3..

Copper(II) selenite dihydrate - 30g SOLD!!!!!!!!!!!!
Copper(II) selenite dihydrate - 30g SOLD!!!!!!!!!!!!

CAS Nr: 15168-20-4    CuSeO3 x 2H2O H301, H331, H373, H410 P261, P273, P301 ..

Gadolinium selenate - 10g
Gadolinium selenate - 10g

CAS Nr: 20148-56-5    Gd2SeO4 H300, H331, H317, H411 P273, P280 R28, R23, R31, ..

Iron(II) selenide 99,9% - 10g
Iron(II) selenide 99,9% - 10g

CAS Nr: 1310-32-3    FeSe H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Iron(II) selenite - 10g
Iron(II) selenite - 10g

CAS Nr: 15600-69-8     FeSeO3 H300, H331, H317, H411 P273, P280 R28, R23, R31, ..

Lanthanum(III) selenate - 10g
Lanthanum(III) selenate - 10g

CAS Nr:  20505-88-8     La2(SeO4)3  H350, H300, H314, H410 P201, P264, ..

Lead selenide 99,9% - 10g
Lead selenide 99,9% - 10g

CAS Nr: 12069-00-0    PbSe H301, H331, H360, H373, H410 P201, P261, P273, P301 + ..

Lead(II) selenate - 10g
Lead(II) selenate - 10g

CAS Nr:  7446-15-3   PbSeO4  H350, H300, H314, H410 P201, P264, P273, P280, ..

Mercury(II) selenite(IV) - 25g SOLD!!!!!!!!!!!!!!!!!!!
Mercury(II) selenite(IV) - 25g SOLD!!!!!!!!!!!!!!!!!!!

CAS Nr: 14459-36-0    HgSeO3  H301, H331, H373, H410 P261, P273, P301 + P310..

Molybdenum(IV) selenide - 10g
Molybdenum(IV) selenide - 10g

CAS Nr: 12058-18-3    MoSe2 H301, H331, H373, H410 P261, P273, P301 + P310, P311,..

Nickel selenide 99,9% - 10g
Nickel selenide 99,9% - 10g

CAS Nr: 1314-05-2    NiSe H317, H350i, H372, H410 P260, P280, P363, P405, P501 ..

Niobium diselenide 99,9% - 10g
Niobium diselenide 99,9% - 10g

CAS Nr: 12034-77-4    NbSe2 H301, H331, H373, H410 P261, P273, P301 + P310, P311,..

Potassium selenite - 10g
Potassium selenite - 10g

CAS Nr: 10431-47-7    K2SeO3 H300, H331, H317, H411 P273, P280 R28, R23, R31, R..

Red Selenium crystals
Red Selenium crystals

Argon sealed ampoule (approx 0,1g inside) Crystals grown in CS2 This ampoule needs to be ..

Selenic acid 96% - 100g
Selenic acid 96% - 100g

CAS Nr: 7783-08-6    H2SeO4 H301, H331, H373, H400, H410 P260, P261,  P301 +..

Selenium 99,9% 100g
Selenium 99,9% 100g

Selenium vacuum packed. CoA available CAS Nr: 7761-88-8   Se H331, H301, H..

Selenium 99,9% 10g
Selenium 99,9% 10g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium 99,988% 1000g
Selenium 99,988% 1000g

Selenium vacuum packed. CoA available CAS Nr: 7761-88-8   Se H331, H301, H..

Selenium ampoule 99,9% - 10g
Selenium ampoule 99,9% - 10g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium dioxide, Selenium(IV) oxide 99,95%  10g
Selenium dioxide, Selenium(IV) oxide 99,95% 10g

CAS Nr: 7446-08-4   SeO2 H301, H331, H373, H410 P273, P309 + P310, P304 + P340, P314 ..

Selenium disulfide 10g
Selenium disulfide 10g

CAS Nr: 7488-56-4    SeS2 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Selenium disulfide 1g
Selenium disulfide 1g

CAS Nr: 7488-56-4    SeS2 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Selenium disulfide 50g
Selenium disulfide 50g

CAS Nr: 7488-56-4    SeS2 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Selenium disulfide 85g
Selenium disulfide 85g

CAS Nr: 7488-56-4    SeS2 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Selenium flakes 99,9% - 100g
Selenium flakes 99,9% - 100g

Selenium flakes CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304..

Selenium pellets 99,9% - 10g
Selenium pellets 99,9% - 10g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium pellets 99,99% - 100g
Selenium pellets 99,99% - 100g

CAS Nr:  7761-88-8    Se H331, H301, H373, H413  P273, P304 +..

Selenium powder 99,5% - 100g
Selenium powder 99,5% - 100g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium powder 99,5% - 10g
Selenium powder 99,5% - 10g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium rod 99,9% - 225g
Selenium rod 99,9% - 225g

Selenium rod - Size approx 36mm x 55mm CAS Nr: 7761-88-8   Se H331, H301, ..

Selenium shots 99,99% - 100g
Selenium shots 99,99% - 100g

CAS Nr: 7761-88-8   Se H331, H301, H373, H413 P273, P304 + P340 R23/25, R3..

Selenium tetrabromide - 200g
Selenium tetrabromide - 200g

CAS Nr:  7789-65-3   SeBr4 H301, H331, H373, H400, H410 P261, P261 P301 + P310, P..

Selenium tetrachloride 5g
Selenium tetrachloride 5g

CAS Nr: 10026-03-6    SeCl4 H331, H301, H373, H410 P261, P273, P301 + P310, P311,..

Selenous acid 10g
Selenous acid 10g

CAS Nr: 7783-00-8  H2SeO3 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P..

Sodium biselenite 10g
Sodium biselenite 10g

CAS Nr: 7782-82-3   NaHSeO3 H301, H331, H373, H410 P261, P273, P301 + P310, P311, P501..

Sodium selenide - 5g
Sodium selenide - 5g

CAS Nr: 1313-85-5   Na2Se H300, H331, H373, H410 P270, P273,  P302 + P352, P309, ..

Sodium selenite (anhydrous) 100g
Sodium selenite (anhydrous) 100g

CAS Nr: 10102-18-8    Na2SeO3 H300, H331, H317, H411 P273, P280 R28, R23, R31, ..