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251410

Sigma-Aldrich

Sodium thiocyanate

ACS reagent, ≥98.0%

Synonym(s):

Sodium isothiocyanate, Sodium rhodanate, Sodium rhodanide, Sodium sulfocyanate

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About This Item

Linear Formula:
NaSCN
CAS Number:
540-72-7
Molecular Weight:
81.07
Beilstein:
3594965
EC Number:
208-754-4
MDL number:
MFCD00011123
UNSPSC Code:
12352302
PubChem Substance ID:
329752781
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

Assay

≥98.0%

form

powder, crystals or chunks

impurities

≤0.005% insolubles
≤0.2% Na2CO3

pH

4.8 (20.1 °C, 1070 g/L)

mp

287 °C (dec.) (lit.)

solubility

water: soluble 1,000 g/L at 20 °C

anion traces

S2-: ≤0.001%
chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.01%

cation traces

Fe: ≤2 ppm
NH4+: ≤0.002%
heavy metals (as Pb): ≤5 ppm

SMILES string

[Na]SC#N

InChI

1S/CHNS.Na/c2-1-3;/h3H;/q;+1/p-1

InChI key

VGTPCRGMBIAPIM-UHFFFAOYSA-M

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Application

Undergoes nucleophilic substitution reactions with phase-transfer catalysts.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1

Supplementary Hazards

EUH032

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Polym. Chem., 29, 243-243 (1991)
Sandmeyer trifluoromethylthiolation of arenediazonium salts with sodium thiocyanate and Ruppert-Prakash reagent.
Danoun G, et al.
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