USD $1.80-2.50 / Kilogram
USD $100.00-150.00 / Kilogram
USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
selenium basic information |
product name: | selenium |
synonyms: | vandex;yeast bound selenium;wieningers reagent;wieninger's reagent;selenium single element standard;selenium standard;selenium standard solution;selenium plasma emission spectroscopy standard |
cas: | 7782-49-2 |
mf: | se |
mw: | 78.96 |
einecs: | 231-194-7 |
product categories: | inorganics;pure elementschemical synthesis;seleniummetal and ceramic science;catalysis and inorganic chemistry;electronic chemicals;micro/nanoelectronics;metal and ceramic science;metals;selenium;metal or element |
mol file: | 7782-49-2.mol |
selenium chemical properties |
mp | 217 °c(lit.) |
bp | 684.9 °c(lit.) |
density | 4.81 g/ml at 25 °c(lit.) |
solubility | h2o: soluble |
form | powder |
water solubility | insoluble |
merck | 13,8505 |
stability: | stable. incompatible with strong acids, strong oxidizing agents and most common metals. combustible. |
cas database reference | 7782-49-2(cas database reference) |
nist chemistry reference | selenium atom(7782-49-2) |
epa substance registry system | selenium(7782-49-2) |
safety information |
hazard codes | t |
risk statements | 36/38-53-33-23/25 |
safety statements | 26-61-45-28-20/21-28a |
ridadr | un 3440 6.1/pg 3 |
wgk germany | 2 |
rtecs | vs7700000 |
packinggroup | iii |
hazardous substances data | 7782-49-2(hazardous substances data) |
1, high quality with competitive price:
we are manufacturer and can provide excellent quality products with factory price.
2, fast and safe delivery
1) parcels can be sent out within 24 hours after payment. tracking number is available.
2) secure and discreet shipment. you have various choices of transportation methods.
3, we have clients throughout the world.
1) professional service and rich experience make customers feel at ease, adequate stock and fast
delivery meet your desire.
2) market feedback and goods feedback are appreciated, meeting customers's requirement is our
responsibility.
3) high quality, competitive price, fast delivery, first-class service gain the trust and praise from the
customers.
4. established time: june. 1998 (16 years experience in manufacturing & exporting chemical raw material )
5. exported areas: europe , southeast asia , the middle east , africa , south america and some other
countries and areas.
6. business scope: organic & inorganic chemicals , pigments & dye stuffs , water treatment chemicals
, intermediates, food & feed additives and others.
7. company advantages: a strong r & d team, professional engineers and scholars with phd.
8. reliability: provide demanded goods and professional services.
9. welcome any serious inquiries from customers around the world, and sincerely hope to cooperate
with you for a brilliant future.
10. have exported to many countries around the word and received high praise.
11. have our own r&d group.
12. location of hennan sunlake enterprise corporation: henan province , the central plain of china.