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202657

Sigma-Aldrich

Arsenic

99.999% trace metals basis

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Empirical Formula (Hill Notation):
As
CAS Number:
Molecular Weight:
74.92
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.999% trace metals basis

resistivity

33.3 μΩ-cm

bp

613 °C (lit.)

mp

817 °C (lit.)

density

5.727 g/mL at 25 °C (lit.)

SMILES string

[As]

InChI

1S/As

InChI key

RQNWIZPPADIBDY-UHFFFAOYSA-N

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1 of 4

This Item
267961709247209643
vibrant-m

202657

Arsenic

vibrant-m

267961

Arsenic

vibrant-m

709247

Zinc arsenide

vibrant-m

209643

Selenium

bp

613 °C (lit.)

bp

613 °C (lit.)

bp

-

bp

684.9 °C (lit.)

density

5.727 g/mL at 25 °C (lit.)

density

5.727 g/mL at 25 °C (lit.)

density

5.53 g/mL at 25 °C (lit.)

density

4.81 g/mL at 25 °C (lit.)

resistivity

33.3 μΩ-cm

resistivity

33.3 μΩ-cm

resistivity

-

resistivity

1.2 μΩ-cm, 0°C

mp

817 °C (lit.)

mp

817 °C (lit.)

mp

1015 °C

mp

217 °C (lit.)

Quality Level

100

Quality Level

100

Quality Level

-

Quality Level

100

Application

Arsenic pieces may be used to prepare α-realgar (As4S4).

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Irrit. 2

Storage Class

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Lead powder, −100 mesh, 99.95% trace metals basis

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Valence and core-level binding energy shifts in realgar (As 4 S 4) and pararealgar (As 4 S 4) arsenic sulfides.
Bullen HA, et al.
Surface Science, 531(3), 319-328 (2003)
Luis Rodríguez-Lado et al.
Science (New York, N.Y.), 341(6148), 866-868 (2013-08-24)
Arsenic-contaminated groundwater used for drinking in China is a health threat that was first recognized in the 1960s. However, because of the sheer size of the country, millions of groundwater wells remain to be tested in order to determine the
Tse-Yen Yang et al.
Environmental research, 128, 57-63 (2013-11-26)
Arsenic is a well-documented carcinogen of human urothelial carcinoma (UC) with incompletely understood mechanisms. This study aimed to compare the genome-wide DNA methylation profiles of arsenic-induced UC (AsUC) and non-arsenic-induced UC (Non-AsUC), and to assess associations between site-specific methylation levels
Zhijie M Yu et al.
Environment international, 66, 115-123 (2014-02-28)
Consumption of arsenic contaminated drinking water causes a large variety of adverse health outcomes. Body mass index (BMI), which is linked to diet, is positively associated with arsenic methylation capacity. We investigated the association between an obesity-related diet and arsenic
Tien-Hui Lu et al.
Toxicology letters, 224(1), 130-140 (2013-10-26)
Arsenic (As), a well-known high toxic metal, is an important environmental and industrial contaminant, and it induces oxidative stress, which causes many adverse health effects and diseases in humans, particularly in inorganic As (iAs) more harmful than organic As. Recently

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