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文献证明
在色谱分析、有机合成和交叉偶联反应领域已被 912 篇同行评审文献引用。
概述
Sodium citrate tribasic dihydrate, a conjμgate base of a weak acid, can perform as a biological buffering agent because it resists changes in pH. Citric acid is one of a series of compounds responsible for the physiological oxidation of fats, carbohydrates and proteins to carbon dioxide and water. Sodium Citrate, Dihydrate is often used to prepare sodium citrate buffer for antigen retrieval of tissue samples. The citrate solution is designed to break protein cross-links; thus, unmasking antigens and epitopes in formalin-fixed and paraffin embedded tissue sections, resulting in enhancing staining intensity of antibodies. Citrate has anticoagulant activity and as a calcium chelator, it forms complexes that disrupt the tendency of blood to clot.An anticoagulant also used as a biological buffer
Sodium citrate tribasic dihydrate, a conjugate base of a weak acid, can perform as a biological buffering agent because it resists changes in pH. Citric acid is one of a series of compounds responsible for the physiological oxidation of fats, carbohydrates and proteins to carbon dioxide and water. Sodium Citrate, Dihydrate is often used to prepare sodium citrate buffer for antigen retrieval of tissue samples. The citrate solution is designed to break protein cross-links; thus, unmasking antigens and epitopes in formalin-fixed and paraffin embedded tissue sections, resulting in enhancing staining intensity of antibodies. Citrate has anticoagulant activity and as a calcium chelator, it forms complexes that disrupt the tendency of blood to clot.
An anticoagulant also used as a biological buffer
规格
别名
柠檬酸钠二水合物
英文别名
B22547B95K | Citric acid, trisodium salt, dihydrate | SODIUM CITRATE [EP MONOGRAPH] | Trisodium citrate dihydrate, ACS | Emetrol Chewables Orange | F82065 | Sodium citrate dihydrate Biochemical grade, Fine Granular | SODIUM CITRATE HYDRATE [JAN] | Sodium
规格或纯度
AR, ≥99%
英文名称
Sodium citrate dihydrate
应用
An anticoagulant also used as a biological buffer
储存条件
室温
运输条件
常规运输
纯度
≥99%
名称和识别符
PubChem SID
EC号
200-675-3
分子类型
小分子
IUPAC Name
trisodium;2-hydroxypropane-1,2,3-tricarboxylate;dihydrate
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 Key
NLJMYIDDQXHKNR-UHFFFAOYSA-K
Smiles
C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]
Isomeric SMILES
C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.O.O.[Na+].[Na+].[Na+]
分子量
294.10
Beilstein号
6104939
技术文档
高级数据
系统学分类
分类树（Taxonomy Tree）
| 界（kingdom) | 有机化合物 |
|---|---|
| 超类（Superclass) | 有机酸及其衍生物 |
| 类（Class) | 羧酸及其衍生物 |
| 亚类（Subclass） | 三羧酸及其衍生物 |
| 中间层级节点（Intermediate Tree Nodes） | 暂无 |
| 直接上位类(Direct Parent) | 三羧酸及其衍生物 |
| 其他上位类（Alternative Parents） | 叔醇 羧酸盐 羧酸 有机钠盐 有机氧化物 碳氢化合物衍生物 羰基化合物 |
| 分子骨架（Molecular Framework) | 脂肪族无环化合物 |
| 取代基（Substituents） | 羟基苯甲酸酯 - 脂肪族非环化合物 - 羰基 - 羧酰胺基 - 羧酸盐 - 烃衍生物 - 有机碱金属盐 - 有机氧化物 - 有机氧化合物 - 有机盐 - 有机钠盐 - 有机氧化合物 - 三烷基醇 - 三羧酸或其衍生物 |
| 描述（Description） | 该化合物属于有机化合物中的三羧酸及其衍生物类。这类化合物是含有三个羧基的羧酸。 |
| 外部描述符（External Descriptors） | hydrate |
三维结构
交互式化学结构模型
化学和物理性质
溶解性
Soluble in water (29.4 g/l) at 20 °C. Insoluble in ethanol
密度
1.76
敏感性
对湿度敏感
熔点
300°C
分子量
294.100 g/mol
XLogP3
氢键供体数Hydrogen Bond Donor Count
3
氢键受体数Hydrogen Bond Acceptor Count
9
可旋转键计数Rotatable Bond Count
2
精确质量Exact Mass
293.994 Da
单同位素质量Monoisotopic Mass
293.994 Da
拓扑极表面积Topological Polar Surface Area
143.000 Ų
重原子数Heavy Atom Count
18
形式电荷Formal Charge
0
复杂度Complexity
211.000
同位素原子数Isotope Atom Count
0
定义的原子立体中心计数Defined Atom Stereocenter Count
0
未定义的原子立体中心计数Undefined Atom Stereocenter Count
0
定义的键立体中心计数Defined Bond Stereocenter Count
0
未定义的键立体中心计数Undefined Bond Stereocenter Count
0
所有立体化学键的总数The total count of all stereochemical bonds
0
共价键合单元计数Covalently-Bonded Unit Count
6
安全和危险性（GHS）
WGK Germany
1
个人防护装备
Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter
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此产品的引用文献
溶液计算器
常见问题
本产品的纯度是多少？
本产品的化学纯度（含量）为 ≥99%。批次的具体数值以分析证书（COA）为准。
什么是「AR」？
「AR」是一个明确定义的分析纯度级别，适用于通用分析和试剂应用。它规定了最低含量百分比、对常见杂质（水分、重金属、灼烧残渣）的受控限值，以及批间一致性。「AR」是几个纯度级别之一——请根据方法的灵敏度和监管要求进行选择。
本产品应如何储存？
请于室温条件下保存。
本产品如何运输？
本产品按常温标准条件运输，无需温控包装。
本产品的 CAS 号、分子式和分子量是多少？
本产品的 CAS 号为 6132-04-3，分子式为 C6H5Na3O7·2H2O，分子量为 294.10 g/mol。InChIKey NLJMYIDDQXHKNR-UHFFFAOYSA-K。
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