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Merck

267961

Arsenic

powder, ≥99.997% trace metals basis

Synonym(s):

Arsenic black, Arsenic-75

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About This Item

Empirical Formula (Hill Notation):
As
CAS Number:
7440-38-2
Molecular Weight:
74.92
NACRES:
NA.23
PubChem Substance ID:
24856254
UNSPSC Code:
12141906
EC Number:
231-148-6
MDL number:
MFCD00085309

Key Documents

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assay

≥99.997% trace metals basis

form

powder

reaction suitability

core: arsenic

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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Related Categories

signalword

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

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

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX9049
MKCX2292
MKCW9907
MKCT0414
MKCS3031

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Arsenic binding to proteins.
Shengwen Shen et al.
Chemical reviews, 113(10), 7769-7792 (2013-07-03)
Meryene C Teixeira et al.
Food chemistry, 154, 38-43 (2014-02-13)
We have developed an eletroanalytical method that employs Cu(2+) solutions to determine arsenic in sugarcane brandy using an electrode consisting of carbon paste modified with carbon nanotubes (CNTPE) and polymeric resins. We used linear sweep (LSV) and differential-pulse (DPV) voltammetry
Ilona Dudka et al.
Environment international, 68, 71-81 (2014-04-10)
Environmental metabonomics is the application of metabonomics to characterize the interactions of organisms with their environment. Metabolic profiling is an exciting addition to the armory of the epidemiologist for the discovery of new disease risk biomarkers and diagnostics. This work
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
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
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