跳转至内容
Merck

S4641

Sigma-Aldrich

柠檬酸钠三盐基 二水合物

ACS reagent, ≥99.0%

别名:

柠檬酸 三钠盐 二水合物, 柠檬酸三钠 二水合物

登录查看公司和协议定价


About This Item

线性分子式:
HOC(COONa)(CH2COONa)2 · 2H2O
CAS号:
分子量:
294.10
Beilstein:
6104939
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

agency

suitable for SM 4500 - NH3

化驗

≥99.0%

雜質

≤0.003% Ammonia (NH3)
≤0.005% Insoluble matter

pH值

7.0-9.0 (25 °C, 5% in solution)

mp

>300 °C (lit.)

溶解度

water: soluble 29.4 g/L at 20 °C (completely)

負離子痕跡

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

正離子痕跡

Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

SMILES 字串

O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

InChI

1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3

InChI 密鑰

NLJMYIDDQXHKNR-UHFFFAOYSA-K

正在寻找类似产品? 访问 产品对比指南

應用

柠檬酸三钠二水合物可以用作催化剂,合成:     
  • 稠合 O-和 N-杂环衍生物,通过靛红/醛/苊-1,2-二酮、丙二腈和各种 C−H 活化酸的多组分 Knoevenagel 环缩合反应。     
  • 铬并[3′,4′:5,6]吡喃并[2,3-d]嘧啶,通过4-羟基香豆素、芳香醛和巴比妥酸/硫代巴比妥酸的缩合反应。

它也可以用作:      
一种使用相应的金属盐前体通过溶胶-凝胶法合成金属纳米颗粒的还原剂。    
配位聚合物[Co(H2O)2Ni(CN)4 4H2O]单晶合成中的控制剂。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


Choose from one of the most recent versions:

分析证书(COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

其他客户在看

Hyungbin Kim et al.
Polymers, 11(4) (2019-04-19)
Complex coacervation is an emerging liquid/liquid phase separation (LLPS) phenomenon that behaves as a membrane-less organelle in living cells. Yet while one of the critical factors for complex coacervation is temperature, little analysis and research has been devoted to the
Andrés Di Paolo et al.
RNA (New York, N.Y.), 26(11), 1637-1653 (2020-08-05)
Programmed cell death 4 (PDCD4) protein is a tumor suppressor that inhibits translation through the mTOR-dependent initiation factor EIF4A, but its functional role and mRNA targets in neurons remain largely unknown. Our work identified that PDCD4 is highly expressed in
Wei Yu et al.
Nature communications, 11(1), 5239-5239 (2020-10-18)
The alternative non-homologous end-joining (NHEJ) pathway promotes DNA double-strand break (DSB) repair in cells deficient for NHEJ or homologous recombination, suggesting that it operates at all stages of the cell cycle. Here, we use an approach in which DNA breaks
Xian Zhang et al.
Biochimica et biophysica acta. Molecular basis of disease, 1865(6), 1690-1700 (2019-04-13)
Mast cell (MC) deficiency in KitW-sh/W-sh mice and inhibition with disodium chromoglycate (DSCG) or ketotifen reduced obesity and diabetes in mice on a high-cholesterol (1.25%) Western diet. Yet, Kit-independent MC-deficient mice and mice treated with DSCG disproved MC function in
Ben Ouyang et al.
Nature materials, 19(12), 1362-1371 (2020-08-12)
Nanoparticle delivery to solid tumours over the past ten years has stagnated at a median of 0.7% of the injected dose. Varying nanoparticle designs and strategies have yielded only minor improvements. Here we discovered a dose threshold for improving nanoparticle tumour

商品

Citrate is one of many cell culture components that affects the performance of serum-free, protein-free and animal protein-free cell culture systems used for biomanufacturing heterologous proteins such as monoclonal antibodies.

相关内容

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门