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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:
UNSPSC Code:
12352100
EC Number:
201-069-1
MDL number:
Beilstein/REAXYS Number:
782061
eCl@ss:
39021801
Assay:
≥99.5%
Form:
crystals
产品名称
无水柠檬酸粉末, anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%
Quality Segment
grade
ACS reagent, anhydrous
product line
Redi-Dri™
assay
≥99.5%
form
crystals
quality
free-flowing
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
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
General description
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。
Application
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。
Legal Information
Redi-Dry™是Sigma-Aldrich公司的商标
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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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
