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The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

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主要文件

791725

Sigma-Aldrich

无水柠檬酸粉末

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

别名:

2-羟基丙烷-1,2,3-三羧酸

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100 G
CN¥893.15
500 G
CN¥782.46
1 KG
CN¥1,506.50
2.5 KG
CN¥3,577.98
6 X 1 KG
CN¥5,054.48
12 KG
CN¥9,603.50

CN¥893.15


国内现货,预计发货时间April 27, 2025详情


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变更视图
100 G
CN¥893.15
500 G
CN¥782.46
1 KG
CN¥1,506.50
2.5 KG
CN¥3,577.98
6 X 1 KG
CN¥5,054.48
12 KG
CN¥9,603.50

About This Item

线性分子式:
HOC(COOH)(CH2COOH)2
CAS号:
分子量:
192.12
Beilstein:
782061
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:
NACRES:
NA.21

CN¥893.15


国内现货,预计发货时间April 27, 2025详情


获取大包装报价

等级

ACS reagent
anhydrous

质量水平

产品线

Redi-Dri

方案

≥99.5%

表单

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

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此商品
27487V9000193200OP
Citric acid anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%

791725

Citric acid

Citric acid BioUltra, anhydrous, ≥99.5% (T)

27487

Citric acid

Citric acid Vetec™, reagent grade, 99%

V900019

Citric acid

Citric Acid OmniPur® Grade, >= 99.5%, Anhydrous

3200OP

Citric Acid

assay

≥99.5%

assay

≥99.5% (T)

assay

99%

assay

≥99.5%

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

100

mp

153-159 °C (lit.)

mp

153-159 °C (lit.)

mp

153-159 °C (lit.)

mp

153-159 °C (lit.)

form

crystals

form

powder or crystals

form

crystals or granules

form

crystalline powder (Fine)

grade

ACS reagent

grade

-

grade

reagent grade

grade

-

product line

Redi-Dri

product line

BioUltra

product line

Vetec

product line

-

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。[1]黑曲霉(Aspergillus niger) 主要用于通过发酵生产柠檬酸[2] 锰可抑制柠檬酸的发酵生成[3] 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。[4]

应用

柠檬酸已被用作柠檬酸盐缓冲液[5] 和无铁Suton培养基的组分。[6]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。[7]

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

  • 技术规格说明书

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    访问文档库

    A comprehensive roadmap of murine spermatogenesis defined by single-cell RNA-seq
    Green CD, et al.
    Developmental Cell, 46(5), 651-667 (2018)
    Effects of citric acid and L-carnitine on physical fatigue
    Sugino T, et al.
    Journal of Clinical Biochemistry and Nutrition, 41(3), 224-230 (2007)
    Methylene blue exerts a neuroprotective effect against traumatic brain injury by promoting autophagy and inhibiting microglial activation
    Zhao M, et al.
    Molecular Medicine Reports, 13(1), 13-20 (2016)
    Biotechnological production of citric acid
    Max B, et al.
    Brazilian Journal of Microbiology, 41(4), 862-875 (2010)
    Two promoters in the esx-3 gene cluster of Mycobacterium smegmatis respond inversely to different iron concentrations in vitro
    Fang Z, et al.
    BMC Research Notes, 10(1), 426-426 (2017)

    商品

    Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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