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Merck
CN

205222

Sodium cyanide

ACS reagent, ≥95.0%

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About This Item

Linear Formula:
NaCN
CAS Number:
143-33-9
Molecular Weight:
49.01
UNSPSC Code:
12352300
NACRES:
NB.24
PubChem Substance ID:
329752009
EC Number:
205-599-4
Beilstein/REAXYS Number:
3587243
MDL number:
MFCD00003523
Assay:
≥95.0%
Grade:
ACS reagent
Form:
crystalline powder, powder, crystals or chunks
Solubility:
water: soluble(lit.)

Key Documents

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InChI key

RTVFYQXEHKQMKO-UHFFFAOYSA-N

InChI

1S/CN.Na/c1-2;

SMILES string

[Na]C#N

grade

ACS reagent

vapor density

1.7 (vs air)

vapor pressure

1 mmHg ( 817 °C)

assay

≥95.0%

form

crystalline powder, powder, crystals or chunks

pH

11-12 (25 °C, 49 g/L)

Quality Level

200

solubility

water: soluble(lit.)

anion traces

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

cation traces

Fe: ≤0.005%, Pb: ≤0.005%

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General description

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.

Application

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

signalword

Danger

Hazard Classifications

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

target_organs

Thyroid

supp_hazards

EUH032

Storage Class

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

wgk

WGK 3

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6954
MKCZ5277
MKCQ6969
MKCR6401
MKCP6435

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Daniela Gontero et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 19(9), 1168-1188 (2020-07-18)
Escherichia coli bacteria were determined by in flow cytometry with laser excitation and fluorescence detection applying ultraluminescent core-shell nanoparticles based on Metal Enhanced Fluorescence (MEF). Core-shell nanoparticles consisted of a 40 nm core modified with a silica spacer grafted with
Eagleson M.
Concise Encyclopedia Chemistry, 1037-1037 (1994)
Shun-Ichi Murahashi et al.
Journal of the American Chemical Society, 125(50), 15312-15313 (2003-12-11)
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.
Preparation of Nitriles from Halides and Sodium Cyanide. An Advantageous Nucleophilic Displacement in Dimethyl Sulfoxide1a.
Friedman L and Shechter H.
The Journal of Organic Chemistry, 25(6), 877-879 (1960)
Arne Wick et al.
Water research, 45(12), 3638-3652 (2011-05-17)
The sludge-water distribution of a total of 41 organic micropollutants (9 phenylurea herbicides, 11 triazines, 16 biocides and 5 UV-filters) was investigated in laboratory batch experiments with fresh secondary sludge taken from a municipal WWTP. Sorption kinetics as well as
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