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Merck
CN

C3434

Sigma-Aldrich

柠檬酸钠三盐基 二水合物

BioXtra, ≥99.0% (titration)

别名:

柠檬酸 三钠盐 二水合物, 柠檬酸三钠 二水合物

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关于此项目

线性分子式:
HOC(COONa)(CH2COONa)2 · 2H2O
化学文摘社编号:
6132-04-3
分子量:
294.10
Beilstein:
6104939
EC 号:
200-675-3
MDL编号:
MFCD00150031
UNSPSC代码:
12161700
PubChem化学物质编号:
24892616

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产品线

BioXtra

质量水平

200

方案

≥99.0% (titration)

表单

powder or crystals

杂质

Insoluble matter, passes filter test

pH值（酸碱度）

7.5-9.0 (20 °C, 0.1 M in H2O)

mp

>300 °C (lit.)

溶解性

H2O: 0.1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%

痕量阳离子

Al: ≤0.0005%
As: ≤0.00001%
Ba: ≤0.0005%
Bi: ≤0.0005%
Ca: ≤0.005%
Cd: ≤0.0005%
Co: ≤0.0005%
Cr: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.01%
Li: ≤0.0005%
Mg: ≤0.0005%
Mn: ≤0.0005%
Mo: ≤0.0005%
NH4+: ≤0.001%
Ni: ≤0.0005%
Pb: ≤0.0005%
Zn: ≤0.0005%

吸附

≤0.010 at 260 in H2O at 0.1 M
≤0.010 at 280

SMILES字符串

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

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

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生化/生理作用

柠檬酸钠可以作为缓冲剂，抵抗 pH 的变化。柠檬酸盐用于血液采集管中，它能螯合血液中的钙离子，从而干扰凝血过程。柠檬酸盐是 TCA 循环和脂肪酸合成的中间体。柠檬酸盐是乙酰辅酶 A 羧化酶的别构调节剂，乙酰辅酶 A 羧化酶是调节乙酰辅酶 A 向丙二酰辅酶 A 转化的酶。

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)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCB2895
BCBX5999
BCBW8620
BCBW4024
BCBV3599

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