disodium oxalate

• ChemBase编号: 105589
• 分子式: C2Na2O4
• 平均质量: 133.99854
• 单一同位素质量: 133.95919704
• SMILES: [Na+].[Na+].[O-]C(=O)C(=O)[O-]
• Canonical SMILES: [O-]C(=O)C(=O)[O-].[Na+].[Na+]
• InChI: InChI=1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2
• InChIKey: ZNCPFRVNHGOPAG-UHFFFAOYSA-L

名称和登记号

名称

• IUPAC标准名: disodium oxalate
• IUPAC传统名: disodium oxalate; dipotassium oxalate ion
• 别名: 草酸钠, 可稀释标准标定液, 最终浓度 0.1N; 乙二酸 钠盐; 草酸 二钠盐; 草酸钠; 草酸钠 溶液; 草酸钠, ACS; 草酸盐, 离子色谱标准溶液, Specpure®, C2O4-2 1000 μg/ml; Oxalic acid sodium salt; Sodium oxalate, Acculute Standard Volumetric Solution, Final Concentration 0.1N; Oxalic acid, disodium salt; Sodium ethanedioate; Ethanedioic acid sodium salt; Sodium oxalate; Ethanedioic acid disodium salt; Oxalic acid disodium salt; SODIUM OXALATE ACS REAGENT GRADE; SODIUM OXALATE; Sodium oxalate solution; Sodium oxalate, ACS; Oxalate, Ion chromatography standard solution, Specpure®, C2O4-2 1000 μg/ml

登记号

• CAS号: 62-76-0
• EC号: 231-791-2; 200-550-3
• MDL号: MFCD00012465
• Beilstein号: 3631622
• 默克索引号: 148650
• PubChem SID: 24897926; 24897932; 24861069; 24853382; 162092534; 24886304; 24863683; 24886305; 24861776
• PubChem CID: 6125
• CHEMBL: 182928
• 维基百科标题: Sodium_oxalate

理论计算性质

• Acid pKa: 1.3639908
• 质子受体: 4
• 质子供体: 0
• LogD (pH = 5.5): -5.101814
• LogD (pH = 7.4): -6.8848467
• Log P: -0.26375157
• 摩尔折射率: 36.1128 cm^3
• 极化性: 5.6277657 Å^3
• 极化表面积: 80.26 Å^2
• 可自由旋转的化学键: 1
• 里宾斯基五规则: true

分子性质

理化性质

• 溶解度: 3.7 g/100 mL (20 °C) ; 6.25 g/100 mL (100 °C) in water; H2O: soluble0.1 M at 20 °C, clear, colorless; insoluble in alcohol; Soluble in water. Insoluble in alcohol
• 外观: Liquid; powder; Powder
• 熔点: 250°C; 250-252 °C (482-486 °F); decomposes; 250-270°C dec.; ca 250-270°C dec.
• 密度: 1.016 g/mL at 20 °C; 2.34 (water = 1); 2.34 g cm^-3; 2.340
• 蒸汽压: Zero
• pH值: 6.5-8.5 (20 °C, 2.5%); 7.0-8.5 (20 °C, 2.5%); 7-8.5 (25 °C, 0.1 M in H2O); 7-8.5 (25 °C, 2.5% in H2O)

安全信息

• 保存条件: Room Temperature (15-30°C), Desiccate
• 保存注意事项: Hygroscopic
• RTECS编号: K11750000; KI1750000
• 欧盟危险性物质标志: X; 刺激性(Irritant) (Xi); 有害性(Harmful) (Xn)
• 联合国危险货物编号: 2811
• 德国WGK号: 1; nwg
• 联合国危险货物等级: 6.1
• 联合国危险货物包装类别(PG): II
• 澳大利亚Hazchem: 2XE
• 危险公开号: 21/22; R:36/37/38
• 安全公开号: 24/25; 36; S:20-25-26-37/39
• 欧盟危险货物分类: T2
• 欧盟危险识别号(EUHIN): 6.1B
• 美国ERG指导号: 154
• TSCA收录: 是
• GHS危险品标识: GHS07
• GHS警示词: Warning
• NFPA704:
  

  0

  3

  0
• GHS危险声明: H302-H312
• GHS警示性声明: P280; P280-P302+P352-P322-P301+P312-P312-P501A
• 个人保护装置: dust mask type N95 (US), Eyeshields, Gloves; Eyeshields, Gloves, half-mask respirator (US), multi-purpose combination respirator cartridge (US)

产品相关信息

• 纯度: ≥99%; ≥99% (titration); ≥99.0% (RT); ≥99.5%; ≥99.5% (RT); ≥99.99% trace metals basis; 99%; 99.5+%
• 浓度: 0.0125 M; 0.05 M; 0.05 M (COO)2Na2; 0.25 M; 1/10 N; 1/100 N; 1/2 N; 1/40 N; 25 g/L; 5 mM
• 级别: ACS; ACS reagent; certified reference material (as reductometric standard); JIS special grade; puriss.; puriss. p.a.; purum p.a.; REAGENT
• 杂质: ≤0.0005% Phosphorus (P); ≤0.0005% total nitrogen (N); ≤0.001% heavy metals (as Pb); ≤0.002% ammonium (NH4); ≤0.002% heavy metals (as Pb); ≤0.005% insolubles; ≤0.1% Insoluble matter; hot H2SO4, passes test(darkened); insoluble matter, passes filter test
• 痕量阳离子: Al: ≤0.0005%; Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤0.001%; Ca: ≤100 mg/kg; Cd: ≤10 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: ≤0.0005%; Fe: ≤0.001%; Fe: ≤10 mg/kg; Fe: ≤20 mg/kg; Fe: ≤5 mg/kg; Fe: ≤50 mg/kg; heavy metals (as Pb): ≤0.002%; K: ≤0.005%; K: ≤100 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤0.0005%; Mg: ≤10 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH4+: ≤0.002%; 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-): ≤0.002%; chloride (Cl-): ≤20 mg/kg; chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤0.002%; sulfate (SO42-): ≤100 mg/kg; sulfate (SO42-): ≤20 mg/kg; sulfate (SO42-): ≤200 mg/kg; sulfate (SO42-): ≤500 mg/kg
• 干燥失重: ≤0.01% loss on drying; ≤0.01% loss on drying, 105 °C; ≤0.05% loss on drying, 105 °C
• 品质说明: certified by BAM, according to ISO 17025; volumetric
• Factor: 0.098-1.002
• 产品线: BioUltra; BioXtra
• abs.: absorption0.1M/270 nm, H2O cut-off
• 线性分子式: NaOOCCOONa
• Neutrality: passes test

详细说明

MP Biomedicals - 02191439

ACS Reagent Grade
Crystalline

MP Biomedicals - 05218060

MP Biomedicals Rare Chemical collection

Sigma Aldrich - 379735

包装
5, 25 g in poly bottle

Sigma Aldrich - 71799

Other Notes
选择性培养基中的组分，用于选择 Yersinia enterocolitica，抑制革兰氏阴性杆菌的生长1

Sigma Aldrich - 35240

General description
请访问我们的 滴定中心 了解更多信息。

Sigma Aldrich - 71804

Analysis Note
精确浓度、有效期、可溯源性以及详细认证信息，请见每个包装内的证书和认证报告。标签上标明含量和有效期。

Sigma Aldrich - O0626

包装
500 g in glass bottle

Sigma Aldrich - 34246

General description
请访问我们的 滴定中心 了解更多信息。
包装
产品编号中的后缀·-VP·或·-VOLPAC·表示包装在·5·或·10L·VOLPAC·容器中。

Sigma Aldrich - 223433

包装
100, 500 g in poly bottle