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Merck

25107

Sigma-Aldrich

柠檬酸钾 三元 一水合物

meets analytical specification of Ph. Eur., BP, FCC, E332, 99-100.5% (calc with ref. to anhyd. subst.)

别名:

柠檬酸 三钾盐, 柠檬酸三钾

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About This Item

线性分子式:
HOC(COOK)(CH2COOK)2 · H2O
CAS号:
分子量:
324.41
Beilstein:
3924344
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.21

品質等級

化驗

99-100.5% (calc with ref. to anhyd. subst.)

形狀

powder or crystals

品質

meets analytical specification of Ph. Eur., BP, FCC, E332

雜質

≤0.0005% heavy metals (as Pb)
4-6% water (Karl Fischer)

損耗

3-6 loss on drying, 180°C

pH值

7-9 (20 °C, 5%)

mp

275 °C (dec.) (lit.)

溶解度

glycerol: soluble 1 gm in 2.5 ml
water: soluble 1 gm in 0.65 ml
alcohol: insoluble

負離子痕跡

chloride (Cl-): ≤30 mg/kg
oxalate (as oxalic acid): ≤100 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

As: ≤1 mg/kg
Cu: ≤10 mg/kg
Fe: ≤10 mg/kg
Hg: ≤1 mg/kg
Na: ≤3000 mg/kg
Pb: ≤1 mg/kg
Zn: ≤10 mg/kg

適合性

in accordance for appearance of solution
passes test for reaction against H2SO4

應用

pharmaceutical (small molecule)

SMILES 字串

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

InChI

1S/C6H8O7.3K.H2O/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);;;;1H2/q;3*+1;/p-3

InChI 密鑰

PJAHUDTUZRZBKM-UHFFFAOYSA-K

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應用

钾枸橼酸三碱一水合物已用于制备枸橼酸盐补充水,以喂养Car5A,Car5B和DKO繁殖对小鼠。补充枸橼酸盐可增强小鼠的围产期死亡。它是一种基于枸橼酸盐的盐,用作表征离子-液体-水性双相系统(ABS)的相成分和缓冲剂。

生化/生理作用

枸橼酸钾三碱一水合物是枸橼酸的钾盐。它可增强骨密度,因此可用于治疗骨质疏松症症。另外,它中和了蛋白质诱导的代谢性酸中毒。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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