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205222

Sigma-Aldrich

Sodium cyanide

ACS reagent, ≥95.0%

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About This Item

Formula condensata:
NaCN
Numero CAS:
143-33-9
Peso molecolare:
49.01
Beilstein:
3587243
Numero CE:
205-599-4
Numero MDL:
MFCD00003523
Codice UNSPSC:
12352300
ID PubChem:
329752009
NACRES:
NB.24

Grado

ACS reagent

Livello qualitativo

200

Densità del vapore

1.7 (vs air)

Tensione di vapore

1 mmHg ( 817 °C)

Saggio

≥95.0%

Forma fisica

crystalline powder
powder, crystals or chunks

pH

11-12 (25 °C, 49 g/L)

Punto di fusione

563.7 °C (lit.)

Solubilità

water: soluble(lit.)

Anioni in tracce

S2-: ≤0.005%
SCN-: ≤0.02%
chloride (Cl-): ≤0.15%
phosphate (PO43-): ≤0.02%
sulfate (SO42-): ≤0.05%

Cationi in tracce

Fe: ≤0.005%
Pb: ≤0.005%

Stringa SMILE

[Na]C#N

InChI

1S/CN.Na/c1-2;
RTVFYQXEHKQMKO-UHFFFAOYSA-N

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Descrizione generale

Sodium cyanide is colorless sodium salt and its crystals belong to the cubic crystal system. Its aqueous solutions are strongly basic due to the presence of cyanide ion. It can be synthesized by reacting sodium hydroxide with hydrogen cyanide. Sodium cyanide is a key precursor for the synthesis of various organic intermediates. It participates in the RuCl3-mediated oxidative cyanation of tertiary amines.

Applicazioni

Sodium cyanide may be employed for the synthesis of the following compounds:
  • α-amino acids
  • Prussian blue (cyanide pigment)
  • nitriles, via reaction with primary and secondary chlorides

Avvertenze

Danger

Indicazioni di pericolo

H290,H300 + H310 + H330,H372,H410

Classi di pericolo

Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 1 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Met. Corr. 1 - STOT RE 1

Organi bersaglio

Thyroid

Rischi supp

EUH032

Codice della classe di stoccaggio

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Certificati d'analisi (COA)

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RuCl3-catalyzed oxidative cyanation of tertiary amines with sodium cyanide under molecular oxygen (1 atm) at 60 degrees C gives the corresponding alpha-aminonitriles, which are versatile synthetic intermediates of various compounds such as amino acids and unsymmetrical 1,2-diamines, in excellent yields.
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