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1.07714

Supelco

Selenium black 99+

for analysis EMSURE®

Synonym(s):

Selenium black 99+

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About This Item

Empirical Formula (Hill Notation):
Se
CAS Number:
Molecular Weight:
78.96
MDL number:
UNSPSC Code:
12141910
EC Index Number:
231-957-4
NACRES:
NA.21

vapor pressure

<1 Pa ( 20 °C)

Quality Level

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

InChI

1S/Se

InChI key

BUGBHKTXTAQXES-UHFFFAOYSA-N

Related Categories

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 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 4 - STOT RE 2

Storage Class Code

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

Regulatory Information

危险化学品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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