disodium heptahydrate hydrogen phosphate

• ChemBase编号: 105590
• 分子式: H15Na2O11P
• 平均质量: 268.065801
• 单一同位素质量: 268.01473649
• SMILES: O.O.O.O.O.O.O.[Na+].[Na+].OP(=O)([O-])[O-]
• Canonical SMILES: [O-]P(=O)(O)[O-].O.O.O.O.O.O.O.[Na+].[Na+]
• InChI: InChI=1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2
• InChIKey: PYLIXCKOHOHGKQ-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: disodium heptahydrate hydrogen phosphate
• IUPAC传统名: dipotassium heptahydrate hydrogen phosphate; disodium heptahydrate hydrogen phosphate
• 别名: 七水磷酸氢二钠, ACS; 磷酸二钠; 磷酸氢二钠 七水合物; 磷酸钠 二元 七水合物; Disodium hydrogen phosphate heptahydrate; Disodium phosphate; Sodium phosphate, dibasic; Sodium hydrogen phosphate heptahydrate, ACS; Sodium orthophosphate; SODIUM PHOSPHATE DIBASIC HEPTAHYDRATE ACS REAGENT GRADE; Sodium phosphate dibasic heptahydrate

登记号

• CAS号: 7782-85-6
• EC号: 231-448-7; 237-707-0
• MDL号: MFCD00149180
• 默克索引号: 148659
• PubChem SID: 24858330; 162093872; 24867019; 24899839; 24845714
• PubChem CID: 6096963

理论计算性质

• Acid pKa: 1.7961261
• 质子受体: 4
• 质子供体: 1
• LogD (pH = 5.5): -3.3916447
• LogD (pH = 7.4): -3.9718332
• Log P: -1.0201038
• 摩尔折射率: 12.4085 cm^3
• 极化性: 5.685633 Å^3
• 极化表面积: 83.42 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

• 外观: Crystalline
• 熔点: 48°C (loses H 2 O); 48.1°C-5H{2}O
• 密度: 1.679 g/ml; 1.68 g/mL at 25 °C(lit.); 1.7
• 蒸汽密度: 4.9 (vs air)
• pH值: 8.7-9.3 (25 °C, 5% in solution); 8.7-9.3 (25 °C, 5%); 8.7-9.3 (25 °C, 50 mg/mL in H2O)

安全信息

• 保存条件: Room Temperature (15-30°C)
• RTECS编号: WC4600000
• 欧盟危险性物质标志: 环境危害性(Nature polluting) (N); 刺激性(Irritant) (Xi)
• 德国WGK号: 3
• 危险公开号: 36/37/38; R:36/37/38-58
• 安全公开号: 26-37-60; S:20-25-26-29-37/39-61
• TSCA收录: 是
• GHS危险品标识: GHS07
• GHS危险声明: H315-H319-H335
• GHS警示性声明: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

产品相关信息

• 纯度: ≥99%; ≥99.0% (NT); ≥99.99% trace metals basis; 98.0-102.0%; 99-100.5% (calc. to the dried substance)
• 级别: ACS; ACS reagent; puriss.; puriss. p.a.; REAGENT
• 适用性: meets USP testing specifications
• 杂质: <100 ppm total metallic impurities; ≤0.0005% heavy metals (as Pb); ≤0.001% heavy metals (as Pb); ≤0.001% total nitrogen (N); ≤0.005% Insoluble matter; ≤0.005% insolubles; residual solvents, complies
• 痕量阳离子: As: ≤1 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤0.001%; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; heavy metals (as Pb): ≤0.001%; heavy metals: ≤0.001%; K: ≤100 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Zn: ≤5 mg/kg
• 痕量阴离子: chloride (Cl-): ≤0.001%; chloride (Cl-): ≤10 mg/kg; sulfate (SO42-): ≤0.005%; sulfate (SO42-): ≤200 mg/kg; sulfate (SO42-): ≤50 mg/kg
• 干燥失重: 43.0-50.0% loss on drying, 120 °C
• pH范围: 8.7 - 9.3
• 产品质量级别: PREMIUM
• 品质说明: meets analytical specification of USP
• 线性分子式: Na2HPO4 · 7H2O

详细说明

MP Biomedicals - 02191441

Heptahydrate
ACS Reagent Grade
Purity: 98.0-102.0%
Insoluble Matter: =0.005%
White, crystalline powder.

Sigma Aldrich - 431478

Features and Benefits
符合 A.C.S. 试剂规范。
包装
50, 250 g in poly bottle

Sigma Aldrich - S9390

包装
1 kg in poly bottle
100, 500 g in poly bottle
2.5 kg in poly drum