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7681-49-4 - Sodium fluoride, Puratronic®, 99.995% (metals basis excluding K), K ≈100ppm - 12964 - Alfa Aesar

12964 Sodium fluoride, Puratronic®, 99.995% (metals basis excluding K), K ≈100ppm

Codice CAS
7681-49-4
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
5g 19,50
50g 99,60
250g 326,00
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Sodium fluoride, Puratronic®, 99.995% (metals basis excluding K), K ≈100ppm

MDL
MFCD00003524
EINECS
231-667-8

Proprietà chimiche

Formula
NaF
Peso formula
41.99
Modulo
Powder
Punto di fusione
993°
Punto di ebollizione
1704°
Densità
2.78
Indice di rifrazione
1.336
Solubilità
Soluble in water. Slightly soluble in HF and ammonia. Insoluble in alcohol.

Applicazioni

It is used as a steel degreasing agent and a flux. It is used in heat treating salt compositions, tin-electroplating, fluoridation of drinking water, removing HF from exhaust systems to reduce air pollution, and frosting glasses. It has significant applications in organic synthesis including its halide-exchange with acyl chloride, sulfur chlorides, and phosphorus chloride, desilylation of silyl-protected OH groups, synthesis of fluorocarbons (Finkelstein reaction), and also in metallurgy.

Note

Keep away from incompatibles such as oxidizing agents, metals, acids, and alkalis. It is slightly hygroscopic.

Letteratura

Songsiripradubboon, S.; Hamba, H.; Trairatvorakul, C.; Tagami, J. Sodium fluoride mouthrinse used twice daily increased incipient caries lesion remineralization in an in situ model. 42 (3), 271-278.

Luque, A. M.; Cuesta, A.; Calvente, J. J.; Andreu, R. Potentiostatic infrared titration of 11-mercaptoundecanoic acid monolayers. Electrochem. Commun. 2014, 45, 13-16.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H301-H315-H319

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation.

Dichiarazioni precauzionali: P260-P201-P280g-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,8618
Classe di rischio
6.1
Gruppo di imballaggio
III
Codice tariffe armonizzato
2826.19
TSCA
Yes
RTECS
WB0350000

Raccomandato

  • 10627

    Aluminum oxide, Puratronic®, 99.995% (metals basis)
  • 10647

    Barium fluoride, Puratronic®, 99.99% (metals basis)
  • 10684

    Calcium oxide, Puratronic®, 99.998% (metals basis, excluding other alkaline earth and alkali metals 130ppm max)
  • 10800

    Magnesium oxide, Puratronic®, 99.995% (metals basis)
  • 10874

    Sodium sulfate, Puratronic®, 99.9955% (metals basis)

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