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C0706

Sigma-Aldrich

Acido citrico

BioXtra, ≥99.5%

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About This Item

Formula condensata:
HOC(COOH)(CH2COOH)2 · H2O
Numero CAS:
Peso molecolare:
210.14
Beilstein:
4018641
Numero CE:
Numero MDL:
Codice UNSPSC:
12161700
ID PubChem:
NACRES:
NA.25

Nome Commerciale

BioXtra

Livello qualitativo

Saggio

≥99.5%

Forma fisica

powder

Impurezze

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

Ceneri

≤0.02%

pH

1.85 (25 °C, 50 g/L)

pKa 

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

Solubilità

H2O: 1 M, clear, colorless

Anioni in tracce

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

Cationi in tracce

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%

Stringa SMILE

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
YASYEJJMZJALEJ-UHFFFAOYSA-N

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Descrizione generale

Citric acid is one of the fruits acids. It is present in various citrus fruits and vegetables.

Applicazioni

Citric acid monohydrate has been used:
  • as carbon source of carbon nanodot synthesis
  • in the preparation of citric acid monohydrate solution/buffer of pH-6.0 for tissue sample preparation
  • to treat various samples in citric acid solubilisation technique

Azioni biochim/fisiol

Citric acid plays a major role in textile, food, pharmaceutical, metal and chemical industries. Melting citric acid monohydrate can give rise to itaconic anhydride. The crystals of citric acid monohydrate has the ability to preserve water up to 56 degree celsius.

Pittogrammi

Exclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

345.0 °F - closed cup

Punto d’infiammabilità (°C)

173.9 °C - closed cup

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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Supelco

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