Selenium Black 99+ 50Grm

Description

Catalogue Number

107714

Product Information

CAS number	7782-49-2
EC index number	034-001-00-2
EC number	231-957-4
Hill Formula	Se
Molar Mass	78.96 g/mol
HS Code	2804 90 00

Physicochemical Information

Boiling point	685 °C (1013 hPa)
Density	4.28 g/cm3 (20 °C)
Melting Point	217 °C
Vapor pressure	<1 Pa (20 °C)
Bulk density	1270 kg/m3
Solubility	<0.021 mg/l slightly soluble

Toxicological Information

LD 50 oral

LD50 Rat 6700 mg/kg

Storage and Shipping Information

Storage

Storage temperature: no restrictions.

Specifications

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 %