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31434

Sigma-Aldrich

Sodio cloruro

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

Sinonimo/i:

NaCl, Salgemma

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About This Item

Formula condensata:
NaCl
Numero CAS:
7647-14-5
Peso molecolare:
58.44
Beilstein:
3534976
Numero CE:
231-598-3
Numero MDL:
MFCD00003477
Codice UNSPSC:
12352302
ID PubChem:
329753765
NACRES:
NA.21

Grado

ACS reagent
puriss. p.a.

Livello qualitativo

200

agenzia

USP/NF
reag. ISO
reag. Ph. Eur.

Tensione di vapore

1.33 hPa ( 865 °C)

Saggio

≥99.5%

Forma fisica

solid

Impurezze

acidity or alkalinity, complies
≤0.0001% hexacyanoferrate(II)
≤0.001% total nitrogen (N)
≤0.005% free acid (as HCl)
≤0.005% free alkali (as NaOH)
≤0.005% in water insoluble matters
≤0.01% Mg, alkaline earth metals (as Ca)

Perdita

≤0.2% loss on drying, 130 °C

pH

5.0-8.0 (25 °C, 5%)

Punto di fusione

801 °C (lit.)

Solubilità

water: soluble 100 mg/mL, clear, colorless

Anioni in tracce

bromide (Br-): ≤50 mg/kg
chlorate, nitrate (as NO3-): ≤30 mg/kg
iodide (I-): ≤10 mg/kg
phosphate (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg

Cationi in tracce

Al: ≤0.2 mg/kg
As: ≤0.5 mg/kg
Ba: ≤10 mg/kg
Ca: ≤20 mg/kg
Fe: ≤1 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
heavy metals: ≤3 ppm (by ICP-OES)

Compatibilità

complies for appearance of solution

Stringa SMILE

[Na+].[Cl-]

InChI

1S/ClH.Na/h1H;/q;+1/p-1
FAPWRFPIFSIZLT-UHFFFAOYSA-M

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Descrizione generale

Crystals of sodium chloride belong to the cubic crystal system. It is widely employed preservative for meat, vegetable and fish products. Its effect on the growth of salmonellae (mixed inoculum of Salmonella thompson, S. stanley and S. infantis) has been investigated in laboratory medium.

Applicazioni

Sodium chloride was used in the dissolution of polymers such as poly(allylamine hydrochloride), sodium poly(styrenesulfonate) and poly(acrylic acid).

Confezionamento

This product is available in HdPe bottles.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Fosfato di potassio meets analytical specification of Ph. Eur., NF, E340, anhydrous, 98-100.5% (calc. to the dried substance)

Sigma-Aldrich

04243

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