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Merck
CN

21118

柠檬酸三钙 四水合物

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

别名:

柠檬酸 钙盐, 柠檬酸钙

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关于此项目

线性分子式:
Ca3(C6H5O7)2 · 4H2O
化学文摘社编号:
分子量:
570.49
UNSPSC Code:
12161700
NACRES:
NA.25
PubChem Substance ID:
EC Number:
212-391-7
Beilstein/REAXYS Number:
3924520
MDL number:
Assay:
≥98.0% (calc. on dry substance, KT)
Grade:
reagent grade
Form:
powder
Solubility:
0.1 M HCl: 0.01 M at 20 °C, clear, colorless
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产品名称

柠檬酸三钙 四水合物, BioUltra, ≥98.0% (calc. on dry substance, KT)

InChI key

LNIZKKFWMDARJV-UHFFFAOYSA-H

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

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

grade

reagent grade

product line

BioUltra

assay

≥98.0% (calc. on dry substance, KT)

form

powder

impurities

Insoluble matter, passes filter test

loss

10-14% loss on drying, 180°C, 4 h

solubility

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

anion traces

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

cation traces

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

UV absorption

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

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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)

法规信息

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