17971

Arsentrioxid

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

• Synonym(e): Arsen(III)-oxid, Arsenigsäure-anhydrid
• Empirische Formel (Hill-System): As₂O₃
• CAS-Nummer: 1327-53-3
• Molekulargewicht: 197.84
• PubChem Substance ID: 329751594
• eCl@ss: 38080102
• UNSPSC Code: 41116107
• NACRES: NA.24
• EC Number: 215-481-4
• MDL number: MFCD00003433

Eigenschaften

• grade: reference material
• Quality Segment: 100
• 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

Beschreibung

General description

This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)

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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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

Genauer Gehalt, Verfalldatum und detaillierte Angaben zur Zertifizierung können den jeder Packung beiliegenden Zertifikat und Zertifizierungsbericht entnommen werden. Gehalt und Verfalldatum auch auf dem Etikett.

Sicherheitshinweise

• pictograms: GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H300,H314,H350,H372,H410
• pcodes: P260 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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
• Lagerklasse: 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