(oxo-λ6-selanylidene)oxidane

• ChemBase编号: 111079
• 分子式: O2Se
• 平均质量: 110.9588
• 单一同位素质量: 111.90635024
• SMILES: O=[Se]=O
• Canonical SMILES: O=[Se]=O
• InChI: InChI=1S/O2Se/c1-3-2
• InChIKey: JPJALAQPGMAKDF-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: (oxo-λ^6-selanylidene)oxidane; (oxo-λ^4-selanylidene)oxidane; (oxo-$l^{4}-selanylidene)oxidane
• IUPAC传统名: (oxo-λ^6-selanylidene)oxidane; selenium dioxide
• 别名: 二氧化硒; 二氧化硒(IV), Puratronic®; 二氧化硒(IV); Selenium(IV) oxide; Selenous anhydride; NSC 56753; Selenium oxide; Selenium dioxide; Selenium dioxide; Selenium(IV) oxide, Puratronic®; SELENIUM DIOXIDE; Selenium(IV) oxide

登记号

• CAS号: 7446-08-4
• EC号: 231-194-7
• MDL号: MFCD00003562
• 默克索引号: 148434
• PubChem SID: 24852252; 24851959; 162096057; 24859512; 24852777
• PubChem CID: 24007
• Chemspider ID: 22440
• 美国药典/FDA物质标识码: 9N3UK29E57
• 维基百科标题: Selenium_dioxide

理论计算性质

• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): -0.5555
• LogD (pH = 7.4): -0.5555
• Log P: -0.5555
• 摩尔折射率: 16.0007 cm^3
• 极化性: 2.8796468 Å^3
• 极化表面积: 34.14 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 1.11 g/100 mL (14 °C) in acetic acid; 10.16 g/100 mL (12 °C) in methanol; 38.4 g/100 mL (20 °C) ; 39.5 g/100 ml (25 °C) ; 82.5 g/100 mL (65 °C) in water; 4.4 g/100 mL (15 °C) in acetone; 6.7 g/100 mL (15 °C) in ethanol; Partially soluble in water, methanol, ethanol, acetone. Soluble in concentrated H2SO4; soluble in benzene
• 外观: off-white to pink powder; Powder; Powder/Lump; solid; white powder; White, yellowish white, or red crystalline solid
• 熔点: 315 °C (subl.)(lit.); 340 °C (sealed tube); 340-350°C subl.
• 沸点: 350 °C subl.
• 闪点: Non-flammable
• 密度: 3.95; 3.954 g/cm^3, solid
• 折射率: > 1.76
• 蒸汽压: 1 mmHg ( 157 °C); 1.65 kPa (70 °C)
• pKa: 2.62; 8.32
• 气味: rotten radishes

安全信息

• RTECS编号: VS8575000
• 欧盟危险性物质标志: Dangerous for the environment (N); 环境危害性(Nature polluting) (N); 有毒(Toxic) (T); Toxic (T)
• 联合国危险货物编号: 3283; UN3283
• 德国WGK号: 2
• 联合国危险货物等级: 6.1
• 联合国危险货物包装类别(PG): 3; II
• 危险公开号: 23/25-33-50/53; R:23/25-33; R23/25, R33, R50/53
• 安全公开号: 20/21-28-45-60-61; S:28-45-20/21; S1/2, S20/21, S28, S45, S60, S61
• TSCA收录: 是
• 欧盟危险品索引: 034-002-00-8
• GHS危险品标识: GHS06; GHS08; GHS09
• GHS警示词: Danger
• NFPA704:
  

  0

  3

  0
• GHS危险声明: H301-H331-H373-H400-H410; H301-H331-H373-H410
• GHS警示性声明: P260-P261-P301+P310-P321-P405-P501A; P261-P273-P301 + P310-P311-P501
• 个人保护装置: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
• RID/ADR: UN 3283 6.1/PG 3

产品相关信息

• 纯度: ≥97.0% (RT); ≥99.9% trace metals basis; 98%; 99.4% (metals basis); 99.8% trace metals basis; 99.9%; 99.999% (metals basis); 99.999% trace metals basis
• 级别: purum; reagent grade; ReagentPlus®
• 线性分子式: SeO2

详细说明

MP Biomedicals - 05217660

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 204315

包装
10, 50 g in glass bottle
Application
烯丙基烯烃和炔烃的温和氧化剂。1可将 1,3-二酮转化为 1,2,3-三酮。2

Sigma Aldrich - 325473

包装
5, 100, 500 g in glass bottle

Sigma Aldrich - 200107

包装
5, 25 g in glass bottle
Application
Reactant involved in:
• Intramolecular oxidative cyclization1
• Oxidative amidation of aldehydes2
• Synthesis of FeSe nanostructures via electrochemical deposition3
• Regioselective allylic oxidation4
• Synthesis of CdSe quantum dots5
• Selenium nanoparticle sol-gel compound preparation and studies of antioxidant activity6

Sigma Aldrich - 213365

Application
烯丙基烯烃和炔烃的温和氧化剂。1可将 1,3-二酮转化为 1,2,3-三酮。2
包装
100, 500 g in glass bottle
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC