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27487

Sigma-Aldrich

Citric acid

BioUltra, anhydrous, ≥99.5% (T)

Fórmula linear:
HOC(COOH)(CH2COOH)2
Número CAS:
Peso molecular:
192.12
Beilstein:
782061
Número EC:
Número MDL:
eCl@ss:
39021801
ID de substância PubChem:
NACRES:
NA.25

Nível de qualidade

200

linha de produto

BioUltra

teor

≥99.5% (T)

forma

powder or crystals

Lim. expl.

8 %, 65 °F

technique(s)

cell culture | hybridoma: suitable

Impurezas

insoluble matter, passes filter test

resíduo de ignição

≤0.05% (as SO4)

perda

≤0.5% loss on drying, 110 °C

pH

1.0-2.0 (25 °C, 1 M in H2O)

pKa 

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

pf

153-159 °C (lit.)

solubilidade

H2O: 1 M at 20 °C, clear, colorless

traços de ânion

chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤500 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤20 mg/kg
tartrate (C4H4O62-): ≤2000 mg/kg

traços de cátion

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

λmax

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

SMILES string

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

λ

1 M in H2O

Absorção UV

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 key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

Gene Information

human ... SRC(6714)

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Categorias relacionadas

Descrição geral

Citric acid is a buffer component for triple-column amino acid analysis. It is an optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells.

Outras notas

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Eye Irrit. 2 - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

11 - Combustible Solids

WGK

WGK 1

Ponto de fulgor (ºF)

Not applicable

Ponto de fulgor (ºC)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves

Certificado de análise

Insira o número de lote para pesquisar o Certificado de análise (COA).

Certificado de origem

Insira o número de lote para pesquisar o Certificado de origem (COO).

Mais documentos

Quotes and Ordering

T N Ferraro et al.
Analytical biochemistry, 143(1), 82-94 (1984-11-15)
A highly resolving triple-column amino acid analyzer with fluorometric detection is described. The reliability of this technique was evaluated and it was used in a baseline investigation of amino acids and related compounds in human cerebrospinal fluid (CSF). The procedure
R Ehrlich et al.
Journal of immunological methods, 26(4), 345-353 (1979-01-01)
Several low pH buffers were used in order to dissociate radioiodinated antibodies from sensitized living tumor cells. Three buffers were further tested for their dissociation abilities under different conditions of time and temperature, and for their influence on the eluted
Maria José Garcia-Fernandez et al.
Biofouling, 29(3), 261-271 (2013-02-27)
Prevention and management of wound infections receive a lot of attention, since the presence of micro-organisms interferes with the wound-healing process. The aim of this work was to use cyclodextrins (CDs) to endow hydrogels and gauzes with the ability to
Felix Schiele et al.
mAbs, 7(5), 871-880 (2015-06-06)
Novel oral anticoagulants are effective and safe alternatives to vitamin-K antagonists for anticoagulation therapy. However, anticoagulation therapy in general is associated with an elevated risk of bleeding. Idarucizumab is a reversal agent for the direct thrombin inhibitor, dabigatran etexilate (Pradaxa®)
Wayne B Batchelor et al.
Circulation, 106(12), 1470-1476 (2002-09-18)
The relative anti-aggregatory effects of currently prescribed platelet glycoprotein IIb/IIIa receptor antagonists during and after percutaneous coronary intervention for acute coronary syndromes have not been established. We randomized 70 acute coronary syndrome patients undergoing percutaneous coronary intervention to receive abciximab

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