diphosphooxidane

• ChemBase编号: 295282
• 分子式: O5P2
• 平均质量: 141.944522
• 单一同位素质量: 141.92209636
• SMILES: O=P(=O)OP(=O)=O
• Canonical SMILES: O=P(=O)OP(=O)=O
• InChI: InChI=1S/O5P2/c1-6(2)5-7(3)4
• InChIKey: YWEUIGNSBFLMFL-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: diphosphooxidane
• IUPAC传统名: diphosphooxidane
• 别名: 氧化磷(V); 氧化磷(V), ACS; Phosphorus pentoxide; Phosphorus(V) oxide; Phosphoric anhydride; Phosphoric oxide; Phosphorus(V) oxide, ACS

登记号

• CAS号: 1314-56-3
• EC号: 215-236-1
• MDL号: MFCD00011440
• 默克索引号: 147355
• PubChem SID: 180680813
• PubChem CID: 6326975

理论计算性质

• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -0.4728
• LogD (pH = 7.4): -0.4728
• Log P: -0.4728
• 摩尔折射率: 20.7938 cm^3
• 极化性: 8.441127 Å^3
• 极化表面积: 77.51 Å^2
• 可自由旋转的化学键: 2
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: Decomposes in water. Soluble in H2SO4. Insoluble in acetone and NH3
• 外观: Powder
• 熔点: 340°C
• 沸点: 360°C subl.
• 密度: 2.39

安全信息

• 保存注意事项: Moisture Sensitive
• RTECS编号: TH3945000
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C)
• 联合国危险货物编号: UN1807
• 联合国危险货物等级: 8
• 联合国危险货物包装类别(PG): II
• 危险公开号: 35
• 安全公开号: 22-26-45
• TSCA收录: 是
• GHS危险品标识: GHS05
• GHS危险声明: H314; H314-H318
• GHS警示性声明: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

产品相关信息

• 纯度: 98%; 98% min

参考文献

• For use with Dimethoxymethane, A12055, in the protection of alcohols as their methoxymethyl (MOM) ethers, avoiding the carcinogenic chloromethyl methyl ether, see: Synthesis, 276 (1975); Org. Synth. Coll., 9, 539 (1998).
• One of the most efficient drying agents which is used in various dehydrations and related reactions.
• Several lower viscosity alternatives to the useful dehydration and cyclization agent polyphosphoric acid (PPA) can be prepared from phosphorus pentoxide:
• Reaction with ether in chloroform gives polyphosphoric ester, PPE: Biochem. Biophys. Acta., 80, 1 (1964). The chloroform solution is mobile and useful for dehydrations such as: The Bischler-Napieralski reaction (see 2-Phenylethylamine, A13402), and related reactions: Tetrahedron Lett., 2419 (1964); the Fischer indole synthesis (see Phenylhydrazine, A11246): Chem. Ind. (London), 473 (1965); the direct, high-yield formation of thiocarboxylic esters by reaction between the carboxylic acid and the thiol: Synthesis, 134 (1982).
• For use of P₂O₅ in the formation of TMS polyphosphate, see Hexamethyldisiloxane, A11848. See also Eaton's Reagent, L15607.