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S9663

Sodium arsenate dibasic heptahydrate

Name: Sodium arsenate dibasic heptahydrate
Brand: SIGALD

ACS reagent, ≥98%

Synonyme(s) :

Disodium hydrogen arsenate heptahydrate, di-Sodium hydrogen arsenate heptahydrate

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A propos de cet article

Formule linéaire :

Na₂HAsO₄ · 7H₂O

Numéro CAS:

10048-95-0

Poids moléculaire :

312.01

NACRES:

NB.24

PubChem Substance ID:

329824631

UNSPSC Code:

12352302

MDL number:

MFCD00149179

Assay:

≥98%, 98.0-102.0%

Grade:

ACS reagent

Form:

powder

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Propriétés

grade

ACS reagent

Quality Level

200

assay

≥98%, 98.0-102.0%

form

powder

impurities

≤0.005% Insoluble matter

pH

8.5-9 (25 °C, 50 g/L)

anion traces

arsenite (As₂O₃): ≤0.01%, chloride (Cl^-): ≤0.001%, nitrate (NO₃^-): ≤0.005%, sulfate (SO₄^2-): ≤0.01%

cation traces

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

SMILES string

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

InChI key

KOLXPEJIBITWIQ-UHFFFAOYSA-L

Description

Application

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

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pictograms

GHS06,GHS08,GHS09

signalword

Danger

hcodes

H301 + H331,H350,H410

pcodes

P202 - P261 - P264 - P273 - P301 + P310 - P304 + P340 + P311

Hazard Classifications

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

Classe de stockage

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

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Certificats d'analyse (COA)

Lot/Batch Number

BCBM0939

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Effects of co-administration of dietary sodium arsenate and 2,3-dimercaptopropane-1-sulfonic acid (DMPS) on the rat bladder epithelium.

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

Molecular identification of arsenic-resistant estuarine bacteria and characterization of their ars genotype.

M Sri Lakshmi Sunita et al.

Ecotoxicology (London, England), 21(1), 202-212 (2011-09-01)

In the present study, 44 arsenic-resistant bacteria were isolated through serial dilutions on agar plate with concentrations ≥0.05 mM of sodium arsenite and ≥10 mM of sodium arsenate from Mandovi and Zuari--estuarine water systems. The ars genotype characterization in 36

Preabsorptive metabolism of sodium arsenate by anaerobic microbiota of mouse cecum forms a variety of methylated and thiolated arsenicals.

Tatyana S Pinyayev et al.

Chemical research in toxicology, 24(4), 475-477 (2011-03-11)

The conventional scheme for arsenic methylation accounts for methylated oxyarsenical production but not for thioarsenical formation. Here, we report that in vitro anaerobic microbiota of mouse cecum converts arsenate into oxy- and thio- arsenicals. Besides methylarsonic acid (MMA(V)), arsenate was

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