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S9663

Sigma-Aldrich

Sodium arsenate dibasic heptahydrate

ACS reagent, ≥98%

Synonyme(s) :

Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate

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About This Item

Formule linéaire :
Na2HAsO4 · 7H2O
Numéro CAS:
10048-95-0
Poids moléculaire :
312.01
Numéro MDL:
MFCD00149179
Code UNSPSC :
12352302
ID de substance PubChem :
329824631
Nomenclature NACRES :
NB.24

Qualité

ACS reagent

Niveau de qualité

200

Pureté

≥98%
98.0-102.0%

Forme

powder

Impuretés

≤0.005% Insoluble matter

pH

8.5-9 (25 °C, 50 g/L)

Traces d'anions

arsenite (As2O3): ≤0.01%
chloride (Cl-): ≤0.001%
nitrate (NO3-): ≤0.005%
sulfate (SO42-): ≤0.01%

Traces de cations

Fe: ≤0.001%
heavy metals (as Pb): ≤0.002%

Chaîne SMILES 

O.O.O.O.O.O.O.[Na+].[Na+].O[As]([O-])([O-])=O

InChI

1S/AsH3O4.2Na.7H2O/c2-1(3,4)5;;;;;;;;;/h(H3,2,3,4,5);;;7*1H2/q;2*+1;;;;;;;/p-2

Clé InChI

KOLXPEJIBITWIQ-UHFFFAOYSA-L

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Catégories apparentées

Application

Sodium arsenate dibasic heptahydrate can be used as an internal standard for the quantification of arsenic species using various spectroscopic methods.

Pictogrammes

Skull and crossbonesHealth hazardEnvironment
GHS06,GHS08,GHS09

Mention d'avertissement

Danger

Mentions de danger

H301 + H331,H350,H410

Classification des risques

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

Code de la classe de stockage

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

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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William Brattin et al.
Journal of toxicology and environmental health. Part A, 76(7), 449-457 (2013-04-25)
This study describes a method for measuring the relative oral bioavailability (RBA) of arsenic (As) in soil and other soil-like media using young swine as the animal model. Groups of animals are exposed to site soil or sodium arsenate orally
Jaydip Biswas et al.
Asian Pacific journal of cancer prevention : APJCP, 11(1), 239-247 (2010-07-03)
Inorganic arsenic (As) is considered as a human carcinogen because it is associated with cancers of skin, lung, liver and bladder in exposed population. Consumption of As contaminated ground water for long term causes oxidative stress. Generation of reactive oxygen
Samantha L Goggin et al.
Neurotoxicology, 33(5), 1338-1345 (2012-09-11)
Over the past two decades, key advancements have been made in understanding the complex pathology that occurs following not only high levels of arsenic exposure (>1 ppm) but also levels previously considered to be low (<100 ppb). Past studies have
Fariha Qureshi et al.
Journal of Ayub Medical College, Abbottabad : JAMC, 21(4), 63-69 (2010-11-12)
Arsenic is a teratogenic agent present in the environment as oxides and arsenate and humans are exposed to it through contaminated drinking water, food, soil and air. This investigation was undertaken to evaluate protective role of Vitamin C and E
Deniz Yildiz et al.
Biological trace element research, 150(1-3), 451-459 (2012-08-15)
The objective of the present study was to investigate if arsenic exposure results in glutathione efflux from human erythrocytes. Arsenite significantly depleted intracellular nonprotein thiol level in a time- and concentration-dependent manner. The intracellular nonprotein thiol level was decreased to
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