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21118

Sigma-Aldrich

柠檬酸三钙 四水合物

BioUltra, ≥98.0% (calc. on dry substance, KT)

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别名:
柠檬酸 钙盐, 柠檬酸钙
线性分子式:
Ca3(C6H5O7)2 · 4H2O
CAS号:
5785-44-4
分子量:
570.49
Beilstein:
3924520
EC 号:
212-391-7
MDL编号:
MFCD00150786
PubChem化学物质编号:
57647903
NACRES:
NA.25

产品线

BioUltra

检测方案

≥98.0% (calc. on dry substance, KT)

形式

powder

杂质

Insoluble matter, passes filter test

缺失

10-14% loss on drying, 180°C, 4 h

溶解性

0.1 M HCl: 0.01 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

痕量阳离子

As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
Hg: ≤0.1 mg/kg
K: ≤500 mg/kg
Li: ≤5 mg/kg
Mg: ≤1000 mg/kg
Mn: ≤50 mg/kg
Mo: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤1 mg/kg
Sr: ≤100 mg/kg
Zn: ≤5 mg/kg

λ

0.01 M in 0.1 M HCl

紫外吸收

λ: 260 nm Amax: 0.04
λ: 280 nm Amax: 0.03

SMILES string

O.O.O.O.OC1(CC(=O)O[Ca]OC(=O)C1)C(=O)O[Ca]OC(=O)C2(O)CC(=O)O[Ca]OC(=O)C2

InChI

1S/2C6H8O7.3Ca.4H2O/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;4*1H2/q;;3*+2;;;;/p-6

InChI key

LNIZKKFWMDARJV-UHFFFAOYSA-H

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相关类别

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

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Morton G Burt et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 28(2), 412-418 (2012-09-20)
Calcium supplements have been associated with an increased risk of cardiovascular events. However, the validity of these findings has been questioned. A major concern is that the mechanism underlying an increase in cardiovascular events has not been demonstrated. Calcium initiates
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The combination of calcium with vitamin D (vitamin D(3) [colecalciferol]) forms the basis of preventive and therapeutic regimens for osteoporosis. A number of studies have suggested that the combination of calcium and vitamin D is effective when administered at respective
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Molecular and cellular biochemistry, 340(1-2), 73-80 (2010-03-10)
Calcium is an essential mineral to support bone health and serves as a major therapeutic intervention to prevent and delay the incidence of osteoporosis. Many individuals do not obtain the optimum amount of calcium from diets and depend on bioavailable
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Bone loss in renal transplant (RT) patients is a problem that begins during end-stage kidney disease and persists after transplantation. Suppression of parathyroid hormone (PTH) may decrease bone loss and improve fracture rate. A single-group prospective intervention study involving 30
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