267961

砷

powder, ≥99.997% trace metals basis

• Synonym(s): 砷黑, 砷-75
• Empirical Formula (Hill Notation): As
• CAS Number: 7440-38-2
• Molecular Weight: 74.92
• EC 号: 231-148-6
• MDL编号: MFCD00085309
• PubChem化学物质编号: 24856254
• NACRES: NA.23

Properties

• 质量水平: 100
• 测定: ≥99.997% trace metals basis
• 形式: powder
• 电阻率: 33.3 μΩ-cm
• bp: 613 °C (lit.)
• mp: 817 °C (lit.)
• 密度: 5.727 g/mL at 25 °C (lit.)
• SMILES string: [As]
• InChI: 1S/As
• InChI key: RQNWIZPPADIBDY-UHFFFAOYSA-N

Safety Information

• 象形图: GHS05,GHS06,GHS08,GHS09
• 警示用语：: Danger
• 危险声明: H301 + H331 - H315 - H318 - H350 - H410
• 预防措施声明: P273 - P280 - P301 + P310 - P302 + P352 - P304 + P340 + P311 - P305 + P351 + P338
• 危险分类: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Skin Irrit. 2
• 储存分类代码: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• 闪点(F): Not applicable
• 闪点(C): Not applicable
• 个人防护装备: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges