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Merck

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
Assay:
99.99% trace metals basis
Form:
crystals

Key Documents

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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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General description

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

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.

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)
Low-temperature synthesis of nitrogen/sulfur co-doped three-dimensional graphene frameworks as efficient metal-free electrocatalyst for oxygen reduction reaction.
Su Y, et al.
Carbon, 62, 296-301 (2013)
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