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Merck
CN

431354

Ammonium thiocyanate

99.99% trace metals basis

Synonym(s):

Ammonium rhodanide

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About This Item

Linear Formula:
NH4SCN
CAS Number:
1762-95-4
Molecular Weight:
76.12
NACRES:
NA.55
PubChem Substance ID:
329756312
eCl@ss:
38060604
UNSPSC Code:
12352300
EC Number:
217-175-6
MDL number:
MFCD00011428
Beilstein/REAXYS Number:
3595135

Key Documents

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Product Name

Ammonium thiocyanate, 99.99% trace metals basis

InChI key

SOIFLUNRINLCBN-UHFFFAOYSA-N

InChI

1S/CHNS.H3N/c2-1-3;/h3H;1H3

SMILES string

N.SC#N

description

for inorganic trace analysis

assay

99.99% trace metals basis

form

crystals

impurities

≤0.004 meq/g I2 consumers
≤0.005% insolubles

ign. residue

≤0.025%

pH

4.5-6.0

mp

152-154 °C (lit.)

solubility

water: 76.1 g/L at 20 °C

anion traces

chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤3 ppm
heavy metals: ≤5 ppm

Quality Level

100

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Application

Ammonium thiocyanate (ATC) may be used the synthesis of the following:
  • Graphitic carbon nitride.
  • Three-dimensional nitrogen and sulfur co-doped graphene frameworks (N/S-GFs).
  • Substituted 2-aminothiazole derivatives by reacting with α-halo ketone carbonyls in the presence of N-methylimidazole.
  • Thiiranes from corresponding oxiranes in the presence of LiBF4.
  • 1,2,4-triazole-3-thiones by a multi-component reaction with benzohydrazide acid and acid chloride in the absence of solvent.
Applied in the formation of novel two-dimensional Cd-SCN coordination solids with unusual and tailorable, checkerboard- or herringbone-patterned structures these structures are important steps toward technologically useful materials.

Features and Benefits

Meets ACS reagent specifications.

General description

Ammonium thiocyanate is an ammonium salt commonly used for thiocyanation reaction of organic compounds.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

supp_hazards

EUH032

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ0345
0000251235
0000251235
MKCS2611
MKCR4332

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Thiocyanation of aromatic and heteroaromatic compounds using ammonium thiocyanate and I2O5.
Wu J, et al.
Synthetic Communications, 38(14), 2367-2373 (2008)
Convenient and simple synthesis of 2-aminothiazoles by the reaction of α-halo ketone carbonyls with ammonium thiocyanate in the presence of N-methylimidazole.
Meshram HM, et al.
Tetrahedron Letters, 53(39), 5265-5269 (2012)
NBS or DEAD as effective reagents in α-thiocyanation of enolizable ketones with ammonium thiocyanate.
Reddy BVS, et al.
Tetrahedron Letters, 52(13), 1432-1435 (2011)
Regioselective thiocyanation of aromatic and heteroaromatic compounds using ammonium thiocyanate and oxone.
Wu G, et al.
Tetrahedron Letters, 46(35), 5831-5834 (2005)
Three-component reaction between benzohydrazide acid, ammonium thiocyanate and acid chlorides under solvent-free conditions.
Hassanabadi A, et al.
Journal of Sulfur Chemistry, 32(4), 355-359 (2011)
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