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A6756

Sigma-Aldrich

Sodium arsenate dibasic heptahydrate

≥98.0%

Sinonimo/i:

Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate

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About This Item

Formula condensata:
Na2HAsO4 · 7H2O
Numero CAS:
10048-95-0
Peso molecolare:
312.01
Numero MDL:
MFCD00149179
Codice UNSPSC:
12352302
ID PubChem:
24891135
NACRES:
NA.21

Saggio

≥98.0%

Forma fisica

powder

Impiego in reazioni chimiche

reagent type: catalyst
core: arsenic

pH

8.5-9.0 (25 °C, 50 g/L)

Stringa SMILE

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
KOLXPEJIBITWIQ-UHFFFAOYSA-L

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Categorie correlate

Descrizione generale

Sodium arsenate dibasic heptahydrate (As(V)) is an arsenic compound.

Applicazioni

Sodium arsenate dibasic heptahydrate may be used as a reference standard for the quantification of arsenic compounds in rice- and seafood-based samples by ion chromatography-inductively coupled plasma/ mass spectrometry. The samples for analysis were prepared by ultrasonic-assisted enzymatic extraction (UAEE).

Avvertenze

Danger

Indicazioni di pericolo

H301 + H331,H350,H410

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Validation of a method for arsenic speciation in food by ion chromatography-inductively coupled plasma/mass spectrometry after ultrasonic-assisted enzymatic extraction.
Dufailly V, et al.
Journal of AOAC (Association of Official Analytical Chemists) International, 94(3), 947-958 (2011)
Martin P Pothier et al.
Frontiers in microbiology, 9, 2310-2310 (2018-10-20)
Despite its high toxicity and widespread occurrence in many parts of the world, arsenic (As) concentrations in decentralized water supplies such as domestic wells remain often unquantified. One limitation to effective monitoring is the high cost and lack of portability
Shugo Suzuki et al.
Toxicology, 299(2-3), 155-159 (2012-06-06)
Inorganic arsenic is a known human carcinogen, inducing tumors of the skin, urinary bladder and lung. It is metabolized to organic methylated arsenicals. 2,3-Dimercaptopropane-1-sulfonic acid (DMPS), a chelating agent, is capable of reducing pentavalent arsenicals to the trivalent state and
Joshua F Robinson et al.
Toxicology and applied pharmacology, 250(2), 117-129 (2010-10-05)
Arsenic (As) and cadmium (Cd) are well-characterized teratogens in animal models inducing embryotoxicity and neural tube defects (NTDs) when exposed during neurulation. Toxicological research is needed to resolve the specific biological processes and associated molecular pathways underlying metal-induced toxicity during
Karen D Bradham et al.
Environmental health perspectives, 119(11), 1629-1634 (2011-07-14)
Assessment of soil arsenic (As) bioavailability may profoundly affect the extent of remediation required at contaminated sites by improving human exposure estimates. Because small adjustments in soil As bioavailability estimates can significantly alter risk assessments and remediation goals, convenient, rapid
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