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202657

Sigma-Aldrich

Arsenic

99.999% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
As
CAS Number:
7440-38-2
Molecular Weight:
74.92
EC Number:
231-148-6
MDL number:
MFCD00085309
UNSPSC Code:
12141906
PubChem Substance ID:
24852109
NACRES:
NA.23
Pricing and availability is not currently available.

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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Application

Arsenic pieces may be used to prepare α-realgar (As4S4).[1]

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Repr. 1A - STOT RE 1 Oral

Target Organs

Respiratory organs,Cardio-vascular system,Gastro-intestinal system,Central nervous system,Nervous system

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8798
MKCT0417
MKCT5811
MKCQ5817
MKCR8111

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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)
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
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
M G Mostafa et al.
Occupational and environmental medicine, 70(11), 768-773 (2013-10-22)
Data on the role of arsenic in renal cancer are suggestive but inconclusive. The present analysis aimed to determine whether renal cancers were more likely in Bangladeshi villagers exposed to high arsenic concentration in well water and, if so, whether
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