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267961

Sigma-Aldrich

Arsen

powder, ≥99.997% trace metals basis

Synonym(e):

Arsen-75, Arsenschwarz

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10 G
CHF 312.00

CHF 312.00

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10 G
CHF 312.00

About This Item

Empirische Formel (Hill-System):
As
CAS-Nummer:
7440-38-2
Molekulargewicht:
74.92
EG-Nummer:
231-148-6
MDL-Nummer:
MFCD00085309
UNSPSC-Code:
12141906
PubChem Substanz-ID:
24856254
NACRES:
NA.23

CHF 312.00

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Qualitätsniveau

100

Assay

≥99.997% trace metals basis

Form

powder

Widerstandsfähigkeit

33.3 μΩ-cm

bp

613 °C (lit.)

mp (Schmelzpunkt)

817 °C (lit.)

Dichte

5.727 g/mL at 25 °C (lit.)

SMILES String

[As]

InChI

1S/As

InChIKey

RQNWIZPPADIBDY-UHFFFAOYSA-N

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Verwandte Kategorien

Signalwort

Danger

Gefahreneinstufungen

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

Zielorgane

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

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

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

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCX2292
MKCW9907
MKCT0414
MKCS3031
MKCR5688

Die passende Version wird nicht angezeigt?

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Arsen-Standardlösung traceable to SRM from NIST H₃AsO₄ in HNO₃ 0.5 mol/l 1000 mg/l As Certipur®

Supelco

1.19773

Arsen-Standardlösung

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Arsenic lump, 20 mm max. lump size, weight 25 g, purity 99.99%

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Arsenic

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
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
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
Arsenic binding to proteins.
Shengwen Shen et al.
Chemical reviews, 113(10), 7769-7792 (2013-07-03)
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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