STRONTIUM SELENIDE
- Product Name
- STRONTIUM SELENIDE
- CAS No.
- 1315-07-7
- Chemical Name
- STRONTIUM SELENIDE
- Synonyms
- STRONTIUM SELENIDE;strontium selenium(2-);strontiumselenide(srse);Strontium selenide, 99.5%;STRONTIUM SELENIDE, 99.99+%;STRONTIUM SELENIDE ISO 9001：2015 REACH;Strontium selenide, 99.5% (metals basis);Strontium selenide, 99.5% trace metals basis
- CBNumber
- CB0113225
- Molecular Formula
- HSeSr
- Formula Weight
- 167.6
- MOL File
- 1315-07-7.mol
STRONTIUM SELENIDE Property
- Melting point:
- 1600 °C(lit.)
- Density
- 4.540
- form
- white cubic crystals
- color
- white cubic crystals, crystalline
- CAS DataBase Reference
- 1315-07-7(CAS DataBase Reference)
- EPA Substance Registry System
- Strontium selenide (SrSe) (1315-07-7)
Safety
- Hazard Codes
- T,N
- Risk Statements
- 23/25-33-50/53
- Safety Statements
- 20/21-28-45-60-61
- RIDADR
- UN 3283 6.1/PG 3
- WGK Germany
- 3
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Hazard statements
-
H301Toxic if swalloed
H331Toxic if inhaled
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- ING0007381
- Product name
- STRONTIUM SELENIDE
- Purity
- 95.00%
- Packaging
- 5G
- Price
- $972.02
- Updated
- 2021/12/16
STRONTIUM SELENIDE Chemical Properties,Usage,Production
Description
Strontium selenide has the molecular formula of SrSe and the molecular weight of 166.5852 g/mol. It is a white cubic crystal whose CAS number is 1315-07-7. Its melting point is 1605°C and its density is 4.54 g/cm3. It reacts with water and so cannot be prepared by an aqueous precipitation method. It can be prepared by the reaction of the oxide with Se metal:
2SrO+ Se+ Heat ? SrSe+ SeO2
It can also be prepared by reducing the selenate with hydrogen gas:
SrSeO4 + 4H2 + heat ? SrSe+ 4H2O
Strontium selenide and barium selenide both have a simple cubic structure, with cube edges equal to 3.117? and 3.308 ?, respectively. In the case of SrSe, the ions at the corners are Sr++ and Se--。
Chemical Properties
white cub; -20 mesh with 99.5% purity [CER91] [CRC10]
Physical properties
Phosphors can be categorized in accordance with
their behavior as fluorescent, phosphorescent or stimulable.
As used in this disclosure, such categories
should be understood as based upon the predominant
behavior of the phosphor at about room temperature,
i.e at about 20°C.
? A “stimulable” phosphor is one that, at room
temperature, stores energy absorbed upon exposure
to excitation by electromagnetic radiation and releases
the predominant portion of the stored energy upon
exposure to stimulating electromagnetic radiation.
? A phosphorescent phosphor at room temperature will
store absorbed energy for an appreciable time but will
release the predominant portion of the stored energy
spontaneously.
? A fluorescent phosphor will release the predominant
portion of the absorbed energy as emission radiant
energy substantially simultaneously with exposure to
the exciting radiant energy.
Uses
The major usage of SrSe has been as an infrared stimulable phosphor. Photoluminescent materials useful for detection of infrared light are prepared using a base material, such as SrSe. Up to three dopants, Sm3+, cerium, Ce3+ and Eu2+ compounds are used for the purpose of providing electron traps. The base material can be a combination of alkaline earth metal selenides such as strontium selenide, calcium selenide, or a mixture of these. Luminescence is a long known phenomenon of nature reaching back very far in history. Recorded observations reach back to the last century. Seeback and Becquerel observed momentary visible afterglow in certain materials.
Synthesis
Pure SrSe is best obtainedfrom the selenite by high-temperature
reduction with NH3.
SrSeO3 + 2NH3 = SrSe + 3 H2O + N2
STRONTIUM SELENIDE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from STRONTIUM SELENIDE manufacturers
- Product
- StrontiuM selenide 1315-07-7
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99.0%
- Supply Ability
- 10000KG
- Release date
- 2024-09-04
- Product
- STRONTIUM SELENIDE 1315-07-7
- Price
- US $15.00-10.00/KG
- Min. Order
- 1KG
- Purity
- 99%+ HPLC
- Supply Ability
- Monthly supply of 1 ton
- Release date
- 2021-08-10