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C0706

Sigma-Aldrich

柠檬酸 一水合物

BioXtra, ≥99.5%

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About This Item

線性公式:
HOC(COOH)(CH2COOH)2 · H2O
CAS號碼:
分子量::
210.14
Beilstein:
4018641
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
PubChem物質ID:
NACRES:
NA.25

產品線

BioXtra

品質等級

化驗

≥99.5%

形狀

powder

雜質

≤0.002% Phosphorus (P)
≤0.005% Insoluble matter

灰分

≤0.02%

pH值

1.85 (25 °C, 50 g/L)

pKa 

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

溶解度

H2O: 1 M, clear, colorless

負離子痕跡

chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.002%

正離子痕跡

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES 字串

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

InChI

1S/C6H8O7.H2O/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);1H2

InChI 密鑰

YASYEJJMZJALEJ-UHFFFAOYSA-N

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一般說明

柠檬酸是水果酸之一。它存在于各种柑橘类水果和蔬菜中。

應用

一水柠檬酸已被用于:
  • 作为碳纳米点合成的碳源
  • 在制备pH-6.0的柠檬酸一水合物溶液/缓冲液中用于组织样品制备
  • 用柠檬酸增溶技术处理各种样品

生化/生理作用

柠檬酸在纺织、食品、医药、金属和化工行业中起着重要作用。熔融柠檬酸一水合物可产生衣康酸酐。柠檬酸一水合物的晶体能够保存高达56摄氏度的水。

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)

345.0 °F - closed cup

閃點(°C)

173.9 °C - closed cup

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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