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Merck

251275

无水柠檬酸粉末

ACS reagent grade, ≥99.5%, crystals

别名:

2-Hydroxy-1,2,3-propanetricarboxylic acid, 2-Hydroxypropan-1,2,3-tricarboxylic acid

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关于此项目

线性分子式:
HOC(COOH)(CH2COOH)2
化学文摘社编号:
分子量:
192.12
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39021801
UNSPSC Code:
12352100
EC Number:
201-069-1
MDL number:
Beilstein/REAXYS Number:
782061
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产品名称

无水柠檬酸粉末, ACS reagent, ≥99.5%

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

InChI

1S/C6H8O7/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)

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O

grade

ACS reagent

assay

≥99.5%

form

crystals

expl. lim.

8 %, 65 °F

impurities

Substances carbonizable by hot sulfuric acid, passes test

ign. residue

≤0.02%

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

mp

153-159 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%
oxalate (C2O42-): passes test (limit about 0.003%)
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.002%

cation traces

Fe: ≤3 ppm
Pb: ≤2 ppm

functional group

carboxylic acid
hydroxyl

storage temp.

room temp

Quality Level

Gene Information

human ... SRC(6714)

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Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Application

柠檬酸已用于制备:
  • 柠檬酸磷酸盐缓冲液用于酶联免疫吸附测定。
  • 柠檬酸盐稳定的二氧化铈水溶胶,其可用于合成氧化铈纳米颗粒。
  • 柠檬酸-Na2HPO4缓冲储备溶液用于粪便脲酶活性的测定。
  • 抗凝血柠檬酸葡萄糖溶液A(ACD-A),可用于分离血液来源的内皮祖细胞。

柠檬酸还可用于:
  • 在一种新方法中,它可实现在合成钯立方八面体时对粒子的大小进行控制。
  • 通过自下而上碳化法制备柠檬酸衍生的碳纳米点(CND)。
  • 作为一种双组分螯合剂,通过一种新型的溶胶-凝胶法合成Li4Ti5O12(钛酸锂)。

General description

柠檬酸是一种弱有机酸,常用于pH调节、用作螯合剂、用作缓冲剂、用于衍生化以及用作合成柠檬酸酯和其他化合物的原料。

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

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实验方案

A complete workflow for the intact and middle-up mass analysis of reduced and non-reduced monoclonal antibodies based on SEC-MS with sample preparation by protein-A affinity clean-up.

SEC-MS protocol for rapid glycoprofiling of monoclonal antibodies with antibody purification and mass spectrometer calibration.

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