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C0759

Sigma-Aldrich

Citric acid

99%

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.21

Nível de qualidade

200

teor

99%

Lim. expl.

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

pf

153-159 °C (lit.)

solubilidade

water: soluble 383 g/L at 25 °C

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

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Descrição geral

Citric acid is an organic acid widely used in food and pharmaceutical industry. On an industrial scale, it is generally produced by submerged fermentation of molasses using the fungus Aspergillus niger. Potentiometric determination of citric acid in refined glyceride oils and fats has been investigated. A method to remove calcium from tissues without changing its antigenic properties using citric acid has been reported.

Embalagem

1 kg in poly bottle
100, 500 g in poly bottle
5 kg in poly drum

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

Eye Irrit. 2

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

Certificado de origem

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
A method for decalcification with citric acid.
Foschini MP and Muzzi L.
Biotechnic & Histochemistry, 68(1), 42-45 (1993)
Wheat straw hemicellulose films as affected by citric acid.
Azeredo HMC, et al.
Food Hydrocolloids, 50 (2015)
Factors affecting the successful cryopreservation of honey bee (Apis mellifera) spermatozoa.
Hopkins BK and Herr C.
Apidologie, 41(5), 548-556 (2010)

Artigos

Citrate Serum-Free Medium Supplement

Citrate is one of many cell culture components that affects the performance of serum-free, protein-free and animal protein-free cell culture systems used for biomanufacturing heterologous proteins such as monoclonal antibodies.

Protocolos

Enzymatic Assay of Choloylglycine Hydrolase

To standardize a procedure for the determination of the enzymatic assay of choloylglycine hydrolase.

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