1.07714
Selenium black 99+
for analysis EMSURE®
Synonym(s):
Selenium black 99+
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| Size/SKU | Availability | Price |
|---|---|---|
50 g | Check Cart for Availability | $192.00 |
250 g | Check Cart for Availability | $1,240.00 |
1 kg | Check Cart for Availability | $3,130.00 |
About This Item
Linear Formula:
Se
CAS Number:
Molecular Weight:
78.96
UNSPSC Code:
12141910
EC Index Number:
231-957-4
NACRES:
NA.21
MDL number:
eCl@ss:
38040101
vapor pressure
<1 Pa ( 20 °C)
Quality Segment
product line
EMSURE®
assay
≥99.0% (gravimetric)
form
solid
potency
6700 mg/kg LD50, oral (Rat)
impurities
≤0.005% Cu (Copper), ≤0.05% Fe (Iron), ≤0.05% Pb (Lead)
ign. residue
≤0.5%
bp
685 °C/1013 hPa
mp
217 °C
solubility
slightly soluble <0.021 mg/L
density
4.28 g/cm3 at 20 °C
bulk density
1270 kg/m3
storage temp.
no temp limit
SMILES string
[Se]
InChI
1S/Se
InChI key
BUGBHKTXTAQXES-UHFFFAOYSA-N
Analysis Note
Identity: passes test
Assay (gravimetrically): ≥ 99.0 %
Cu (Copper): ≤ 0.005 %
Fe (Iron): ≤ 0.05 %
Pb (Lead): ≤ 0.05 %
Residue on ignition: ≤ 0.5 %
Particle size (> 150 µm): ≤ 5 %
Assay (gravimetrically): ≥ 99.0 %
Cu (Copper): ≤ 0.005 %
Fe (Iron): ≤ 0.05 %
Pb (Lead): ≤ 0.05 %
Residue on ignition: ≤ 0.5 %
Particle size (> 150 µm): ≤ 5 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 4 - STOT RE 2
WGK
WGK 2
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
Hazard Codes
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
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