204307
Selenium
pellets, <5 mm particle size, ≥99.999% trace metals basis
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보기 변경
제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
Se
CAS 번호:
Molecular Weight:
78.96
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141910
EC Number:
231-957-4
MDL number:
description
gray
Quality Segment
assay
≥99.999% trace metals basis
form
pellets
composition
Se
reaction suitability
core: selenium
resistivity
1.2 μΩ-cm, 0°C
particle size
<5 mm
bp
684.9 °C (lit.)
mp
217 °C (lit.)
density
4.81 g/mL at 25 °C (lit.)
application(s)
crystal growth
SMILES string
[Se]
InChI
1S/Se
InChI key
BUGBHKTXTAQXES-UHFFFAOYSA-N
General description
Selenium is a non-metallic p-type semiconductor and is commercially produced as a by-product in refining sulfide-bearing copper minerals. It has good photovoltaic and photoconductive properties and is extensively used in the electronics such as solar cells, light meters, and, photocells. It also finds application in the field of ceramics, pigments, metallurgy, agriculture, glasses, and lubricants.
Application
Selenium has been used as a starting material tosynthesize selenium nanoparticles.
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 4 - STOT RE 2
저장 등급
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges