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Merck
CN

17971

Arsenic(III) oxide

reference material for titrimetry, certified by BAM, >99.5%

Synonym(s):

Arsenic trioxide, Arsenous acid

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About This Item

Empirical Formula (Hill Notation):
As2O3
CAS Number:
Molecular Weight:
197.84
PubChem Substance ID:
eCl@ss:
38080102
UNSPSC Code:
41116107
NACRES:
NA.24
EC Number:
215-481-4
MDL number:
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grade

reference material

Quality Level

assay

>99.5%

quality

certified by BAM

technique(s)

titration: suitable

application(s)

agriculture
environmental

format

neat

SMILES string

O=[As]O[As]=O

InChI

1S/As2O3/c3-1-5-2-4

InChI key

IKWTVSLWAPBBKU-UHFFFAOYSA-N

General description

Arsenic(III) oxide is a volumetric standard produced under rigorous conditions and measured with the highest possible precision. Its content determination and homogeneity assessment are carried out using volumetric redox titration as the primary analysis method.
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This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

Application

The reference material is to be used as a reductometric standard for titer determinations in redox titrations.

Features and Benefits

  • Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
  • Traceable to NIST standard reference material
  • Offers accurate titer determinations
  • Accompanied by a certificate of analysis (CoA)

Analysis Note

Exact concentration, expiry date and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.


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Danger

Hazard Classifications

Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1

target_organs

Respiratory system,Cardio-vascular system,Gastrointestinal tract

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 P3 (EN 143) respirator cartridges

Regulatory Information

监管及禁止进口产品

This item has



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Certificates of Analysis (COA)

Lot/Batch Number

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Michael Ash, Irene Ash
Handbook of Preservatives, 281 -281 (2004)
Arsenic?glutathione complexes?their stability in solution and during separation by different HPLC modes.
Raab, Andrea, et al.
Journal of Analytical Atomic Spectrometry, 19.1, 183-190 (2004)
Cui Li et al.
Toxicology letters, 219(3), 223-230 (2013-04-02)
Arsenic trioxide (As2O3; ATO) is clinically effective in treating acute promyelocytic leukemia (APL); however, it frequently causes cardiotoxic effects. This study was designed to investigate whether ATO could induce apoptosis of cardiac fibroblasts (CFs) that play very important roles in



Global Trade Item Number

SKUGTIN
17971-10G04061838754400