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Merck

27487

Sigma-Aldrich

无水柠檬酸粉末

BioUltra, anhydrous, ≥99.5% (T)

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About This Item

线性分子式:
HOC(COOH)(CH2COOH)2
CAS号:
分子量:
192.12
Beilstein:
782061
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
eCl@ss:
39021801
PubChem物質ID:
NACRES:
NA.25

等級

biotech. grade

產品線

BioUltra

化驗

≥99.5% (T)

形狀

powder or crystals

expl. lim.

8 %, 65 °F

技術

cell culture | hybridoma: suitable

雜質

insoluble matter, passes filter test

燃燒殘留物

≤0.05% (as SO4)

損耗

≤0.5% loss on drying, 110 °C

pH值

1.0-2.0 (25 °C, 1 M in H2O)

pKa 

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

mp

153-159 °C (lit.)

溶解度

H2O: 1 M at 20 °C, clear, colorless

負離子痕跡

chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤0.05%
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
tartrate (C4H4O62-): ≤0.20%

正離子痕跡

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES 字串

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

λmax

260 nm (Amax: ≤0.20)
280 nm (Amax: ≤0.10)

&lambda ;

1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.20
λ: 280 nm Amax: 0.10

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

基因資訊

human ... SRC(6714)

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一般說明

柠檬酸是三柱氨基酸分析的缓冲成分。是放射性碘化抗体从活的鼠肿瘤细胞中解离的最佳缓冲液。

應用


  • 改善土壤微生物组:柠檬酸已经被用于改变含盐泥滩的土壤细菌菌群,研究显示了其在可持续生态管理环境生物技术中的用途(Liu et al., 2024

  • 食品工业中的可生物降解包装:在食品化学领域,柠檬酸和聚乙烯醇被用于开发抗微生物包装,体现了其在食品安全和保藏中的潜力(Xu et al., 2024)。

  • 工程应用中的纳米材料合成:柠檬酸是用于超级电容器的杂化纳米材料绿色合成的关键成分,该研究强调了其在促进材料科学和工程的作用(Teixeira et al., 2024)。

  • 环境科学和污染物控制:该研究采用柠檬酸考察了环境系统中药物和纳米颗粒的共运输,有助于理解污染物动力学和迁移策略(Cui et al., 2024)。

  • 食品科学和技术:研究人员在素食软糖配方中使用了柠檬酸,该研究显示了其在食品开发中的多功能性及其对质构特性的影响(Rawat et al., 2024)。

象形圖

Exclamation mark

訊號詞

Warning

危險聲明

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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