disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate) decahydrate

• ChemBase编号: 126206
• 分子式: B4H20Na2O17
• 平均质量: 381.37214
• 单一同位素质量: 382.08680934
• SMILES: [Na+].[Na+].[O-]B1OB2OB([O-])OB(O1)O2.O.O.O.O.O.O.O.O.O.O
• Canonical SMILES: [O-]B1OB2OB(OB(O1)O2)[O-].O.O.O.O.O.O.O.O.O.O.[Na+].[Na+]
• InChI: InChI=1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1
• InChIKey: CDMADVZSLOHIFP-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate) decahydrate
• IUPAC传统名: disodium bicyclo[3.3.1]tetraboroxane-3,7-bis(olate) decahydrate
• 别名: 硼砂 十水合物; 硼酸钠 十水合物; 四硼酸钠 十水合物; Borax decahydrate; Sodium borate decahydrate; Sodium tetraborate decahydrate; Borax

登记号

• CAS号: 1303-96-4
• EC号: 215-540-4
• MDL号: MFCD00149193
• PubChem SID: 24891726; 24847275; 24858964; 24899850; 24886340; 24892161; 162220547
• PubChem CID: 16211214
• CHEMBL: 1076681
• Chemspider ID: 17339255
• 美国药典/FDA物质标识码: 91MBZ8H3QO
• 维基百科标题: Borax

理论计算性质

• Acid pKa: -12.53269
• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -0.8531835
• LogD (pH = 7.4): -0.87984425
• Log P: 1.41
• 摩尔折射率: 44.9309 cm^3
• 极化性: 10.755107 Å^3
• 极化表面积: 104.0 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: H2O: soluble0.1 M at 20 °C, clear, colorless; H2O: soluble0.1 M, clear, colorless
• 外观: white solid
• 熔点: 743 °C (anhydrous)
• 沸点: 1575 °C
• 密度: 1.73 g/cm^3 (solid); 1.73 g/mL at 25 °C(lit.)
• 紫外吸收波长: λ: 260 nm Amax: 0.012; λ: 280 nm Amax: 0.010
• pH值: 9.0-9.5 (25 °C, 0.1 M in H2O); 9.0-9.6 (20 °C, 5%); 9.0-9.6 (25 °C, 4% in H2O); 9.15-9.20 (25 °C, 0.01 M in H2O); 9.15-9.20 (25 °C, 0.01 M in solution)

安全信息

• RTECS编号: VZ2275000
• 欧盟危险性物质标志: 有毒(Toxic) (T)
• 德国WGK号: 1
• 危险公开号: 60-61
• 安全公开号: 53-45
• GHS危险品标识: GHS08
• GHS警示词: Danger
• NFPA704:
  

  0

  1

  0
• GHS危险声明: H360FD
• GHS警示性声明: P201-P308 + P313
• 个人保护装置: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

产品相关信息

• 纯度: ≥99.0% (T); ≥99.5%; ≥99.5% (T); 99.0-103.0%; 99.5-100.5%; 99.5-105.0%
• 级别: ACS reagent; ACS reagent, reag. ISO; JIS special grade; puriss.; puriss. p.a.; purum p.a.; ReagentPlus®; SAJ first grade
• 适用性: complies for appearance of solution
• 杂质: ≤0.001% ammonium (NH4); ≤0.001% Phosphorus (P); ≤0.002% heavy metals (as Pb); ≤0.005% Insoluble matter; ≤0.005% insolubles; ≤0.1% Insoluble matter; carbonate and Bicarbonate, complies; insoluble matter, passes filter test; organic volatile impurities, complies; residual solvents, complies
• 痕量阳离子: Al: ≤0.0005%; Al: ≤5 mg/kg; As: ≤0.1 mg/kg; As: ≤0.5 mg/kg; As: ≤1 mg/kg; As: ≤3 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤0.005%; Ca: ≤0.01%; Ca: ≤100 mg/kg; Ca: ≤50 mg/kg; Ca: ≤500 mg/kg; Cd: ≤5 mg/kg; Cd: ≤50 mg/kg; Co: ≤5 mg/kg; Co: ≤50 mg/kg; Cr: ≤5 mg/kg; Cu: ≤0.0005%; Cu: ≤5 mg/kg; Cu: ≤50 mg/kg; Fe: ≤0.001%; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; Fe: ≤5 ppm; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.001%; heavy metals: ≤0.001%; K: ≤0.005%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤20 mg/kg; Mg: ≤0.0005%; Mg: ≤10 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH4+: ≤0.05%; Ni: ≤5 mg/kg; Ni: ≤50 mg/kg; Pb: ≤0.001%; Pb: ≤5 mg/kg; Pb: ≤50 mg/kg; Sr: ≤5 mg/kg; Zn: ≤0.0005%; Zn: ≤5 mg/kg; Zn: ≤50 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.001%; chloride (Cl-): ≤0.05%; chloride (Cl-): ≤10 mg/kg; chloride (Cl-): ≤50 mg/kg; phosphate (PO43-): ≤0.001%; phosphate (PO43-): ≤10 mg/kg; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤0.05%; sulfate (SO42-): ≤50 mg/kg
• pH范围: 9.15 - 9.20
• 品质说明: crystallized; meets analytical specification of Ph. Eur., BP, NF
• λ: 0.1 M in H2O
• 产品线: BioUltra; BioXtra
• 线性分子式: Na2B4O7 · 10H2O

详细说明

Sigma Aldrich - 71999

Other Notes
Primary standard buffer1

Sigma Aldrich - S9640

包装
2.5 kg in poly drum
25, 500 g in poly bottle

Sigma Aldrich - B9876

Application
广泛用作缓冲剂。在宽浓度范围内，溶液的 pH 值约为 9.3。
包装
1 kg in poly bottle
5 kg in poly drum
500 g in poly bottle
法律信息
ReagentPlus 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 28-4460

Suitability
pH standard solution