71498
柠檬酸二钠
purum p.a., anhydrous, ≥99.0% (T)
别名:
柠檬酸 单钠盐, 柠檬酸二氢钠
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关于此项目
线性分子式:
HOC(COONa)(CH2COOH)2
化学文摘社编号:
分子量:
214.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
242-734-6
Beilstein/REAXYS Number:
3920246
MDL number:
产品名称
柠檬酸二钠, purum p.a., anhydrous, ≥99.0% (T)
InChI key
HWPKGOGLCKPRLZ-UHFFFAOYSA-M
InChI
1S/C6H8O7.Na/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);/q;+1/p-1
SMILES string
[Na+].OC(=O)CC(O)(CC([O-])=O)C(O)=O
grade
purum p.a.
assay
≥99.0% (T)
form
crystals
pH
3.5-3.8 (25 °C, 50 mg/mL in H2O)
solubility
water: soluble 50, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg
functional group
carboxylic acid
hydroxyl
Quality Level
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Application
柠檬酸二氢钠适用于合成 16 个功能性烯烃封端的超支化低聚物，可用于制备牙科复合材料的复合体系。它适用于制备胃液，以研究烹饪方法以及所选食物的共摄取对鱼类中汞生物有效性的影响。
General description
一元柠檬酸钠（柠檬酸二氢钠）是柠檬酸的一钠盐。已经提出了等渗方法来评估柠檬酸二氢钠的二元水性混合物的气液平衡参数（水活度、蒸气压、渗透系数和活度系数）。已报道了通过 X 射线衍射法研究柠檬酸二氢钠的晶体结构。其晶体为单斜晶，空间群为 P21/a。
柠檬酸钠通常用作各种应用中的缓冲剂。
柠檬酸钠是改善透钙磷石骨水泥性能的有效缓凝剂。
柠檬酸钠是改善透钙磷石骨水泥性能的有效缓凝剂。
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)
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Fillers are widely utilized to enhance the mechanical properties of polymer resins. However, polymerization stress has the potential to increase due to the higher elastic modulus achieved upon filler addition. Here, we demonstrate a hyperbranched oligomer functionalized glass filler UV
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Influence of solid-state acidity on the decomposition of sucrose in amorphous systems (I)
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Ousséni Ouédraogo et al.
Environmental research, 111(8), 1064-1069 (2011-10-22)
Fish consumption is the main source of human exposure to mercury. Studies from specific human populations have reported Hg levels lower than those modeled from consumption data. These discrepancies between expected and measured Hg levels may be explained by differences
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