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Merck
CN

S4641

柠檬酸钠三盐基 二水合物

ACS reagent grade, ≥99.0%

别名:

柠檬酸 三钠盐 二水合物, 柠檬酸三钠 二水合物

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关于此项目

线性分子式:
HOC(COONa)(CH2COONa)2 · 2H2O
化学文摘社编号:
6132-04-3
分子量:
294.10
NACRES:
NA.21
PubChem Substance ID:
24899613
UNSPSC Code:
12352100
EC Number:
200-675-3
MDL number:
MFCD00150031
Beilstein/REAXYS Number:
6104939
Assay:
≥99.0%
Grade:
ACS reagent
Solubility:
water: soluble 29.4 g/L at 20 °C (completely)

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产品名称

柠檬酸钠三盐基 二水合物, ACS reagent, ≥99.0%

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K

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

SMILES string

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

grade

ACS reagent

agency

suitable for SM 4500 - NH3

assay

≥99.0%

impurities

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

pH

7.0-9.0 (25 °C, 5% in solution)

mp

>300 °C (lit.)

solubility

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

anion traces

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

cation traces

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

Quality Level

200

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相关类别

Application

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。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000502192
0000502192
0000520118
0000520117
0000520116

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