Merck
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791725

Sigma-Aldrich

柠檬酸

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.5%

Synonym(s):
2-羟基丙烷-1,2,3-三羧酸
Linear Formula:
HOC(COOH)(CH2COOH)2
CAS Number:
Molecular Weight:
192.12
Beilstein:
782061
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

等级

ACS reagent
anhydrous

产品线

Redi-Dri

测定

≥99.5%

形式

crystals

质量

free-flowing

expl. lim.

8 %, 65 °F

杂质

Substances carbonizable by hot sulfuric acid, passes test

灼烧残渣

≤0.02%

pKa 

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

mp

153-159 °C (lit.)

痕量阴离子

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

痕量阳离子

Fe: ≤3 ppm
Pb: ≤2 ppm

SMILES string

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

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)

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

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一般描述

柠檬酸也称为2-羟基-丙烷-1,2,3-三羧酸,是所有生物体中三羧酸循环的组分之一。柠檬酸的工业生产使用真菌、酵母和柑橘类水果作为主要来源。黑曲霉(Aspergillus niger) 主要用于通过发酵生产柠檬酸 锰可抑制柠檬酸的发酵生成 口服补充柠檬酸可促进线粒体中的三羧酸循环和氧化磷酸化,以减轻身体疲劳。

应用

柠檬酸已被用作柠檬酸盐缓冲液 和无铁Suton培养基的组分。它已被用在杂交链反应缓冲液中,用于睾丸切片的盖玻片的预平衡。

包装

1 kg in poly bottle
2.5, 12 kg in poly drum
100, 500 g in poly bottle

法律信息

Redi-Dry是Sigma-Aldrich公司的商标
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

象形图

Exclamation mark

警示用语:

Warning

危险声明

危险分类

Eye Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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