17971
氧化砷(III)
reference material for titrimetry, certified by BAM, >99.5%
别名:
三氧化二砷, 亚砷酸
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关于此项目
经验公式（希尔记法）:
As2O3
化学文摘社编号:
分子量:
197.84
PubChem Substance ID:
eCl@ss:
38080102
UNSPSC Code:
41116107
NACRES:
NA.24
EC Number:
215-481-4
MDL number:
grade
reference material
Quality Segment
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
精确浓度、有效期以及认证的详细信息请见每个包装内的证书和认证报告。标签上标明含量和有效期。
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警示词
Danger
Hazard Classifications
Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Corr. 1B - STOT RE 1
靶器官
Respiratory system,Cardio-vascular system,Gastrointestinal tract
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
怎么回事？
WGK 3
闪点 (F)
Not applicable
闪点 (°C)
Not applicable
PPE（个人防护设备）
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges