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C0759

Sigma-Aldrich

无水柠檬酸粉末

99%

别名:

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

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About This Item

线性分子式:
HOC(COOH)(CH2COOH)2
CAS号:
77-92-9
分子量:
192.12
Beilstein:
782061
EC號碼:
201-069-1
MDL號碼:
MFCD00011669
分類程式碼代碼:
12352100
eCl@ss:
39021801
PubChem物質ID:
329774820
NACRES:
NA.21

品質等級

200

化驗

99%

形狀

crystals

expl. lim.

8 %, 65 °F

pKa (25 °C)

(1) 3.13, (2) 4.76, (3) 6.40

pKa 

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

mp

153-159 °C (lit.)

溶解度

water: soluble 383 g/L at 25 °C

SMILES 字串

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 密鑰

KRKNYBCHXYNGOX-UHFFFAOYSA-N

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相关类别

一般說明

柠檬酸是一种天然成分，广泛应用于许多工业应用，如螯合、缓冲、pH调节和衍生化。它还可作为缩合、酸催化、环加成、脱保护和脱羧反应的试剂。

應用

柠檬酸可用作反应物来合成：
  • 通过硫酸催化柠檬酸与与脂肪醇C2-C5的酯化反应合成柠檬酸三乙酯。
  • 通过无催化剂缩聚反应合成生物可降解热固性聚合物。
也可用作催化剂，通过与2-萘酚、醛、酰胺/尿素反应合成氨基烷基萘酚。

象形圖

Exclamation mark
GHS07

訊號詞

Warning

危險聲明

H319,H335

危險分類

Eye Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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分析证书(COA)

Lot/Batch Number
WXBD7017V
SLCK2581
SLCJ1101
SLCJ1099
SLCH6547

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柠檬酸 一水合物 reagent grade, ≥98% (GC/titration)

Sigma-Aldrich

C7129

柠檬酸 一水合物

无水柠檬酸粉末 anhydrous, European Pharmacopoeia (EP) Reference Standard

A1202000

无水柠檬酸粉末

Antigen-retrieval procedure for bromodeoxyuridine immunolabeling with concurrent labeling of nuclear DNA and antigens damaged by HCl pretreatment.
Xiaobing Tang et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 27(22), 5837-5844 (2007-06-01)
Assay of Ornithine Decarboxylase and Spermidine/Spermine N1-acetyltransferase Activities.
Hyvonen MT, et al.
Bio-protocol, 4(22) (2014)
Trisha Pasricha et al.
Endoscopy, 46(7), 614-618 (2014-05-23)
Capsule endoscopy is an attractive alternative to colorectal cancer screening by conventional colonoscopy, but is currently limited by compromised mucosal visibility because of the lack of safe, controlled colonic insufflation. We have therefore developed a novel system of untethered, wireless-controlled
Factors affecting the successful cryopreservation of honey bee (Apis mellifera) spermatozoa.
Hopkins BK and Herr C.
Apidologie, 41(5), 548-556 (2010)
A method for decalcification with citric acid.
Foschini MP and Muzzi L.
Biotechnic & Histochemistry, 68(1), 42-45 (1993)
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