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251410

Sigma-Aldrich

Sodium thiocyanate

ACS reagent, ≥98.0%

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Synonym(s):
Sodium isothiocyanate, Sodium rhodanate, Sodium rhodanide, Sodium sulfocyanate
Linear Formula:
NaSCN
CAS Number:
Molecular Weight:
81.07
Beilstein:
3594965
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

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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1 of 4

This Item
909017S77571.06627
Sodium thiocyanate ACS reagent, ≥98.0%

251410

Sodium thiocyanate

Essential Grade
Sodium thiocyanate free-flowing, Redi-Dri™, ACS reagent, ≥98.0%

909017

Sodium thiocyanate

-
Sodium thiocyanate reagent grade, 98-102% (titration)

S7757

Sodium thiocyanate

-
Sodium thiocyanate EMPLURA®

1.06627

Sodium thiocyanate

-
assay

≥98.0%

assay

≥98.0%

assay

98-102% (titration)

assay

≥98.5% dry basis (silver nitrate titration)

solubility

water: soluble 1,000 g/L at 20 °C

solubility

-

solubility

-

solubility

>1000 g/L

grade

ACS reagent

grade

ACS reagent

grade

reagent grade

grade

-

mp

287 °C (dec.) (lit.)

mp

287 °C (dec.) (lit.)

mp

287 °C (dec.) (lit.)

mp

308 °C

pH

4.8 (20.1 °C, 1070 g/L)

pH

-

pH

4.8 (20.1 °C, 1070 g/L)

pH

6-8 (20 °C, 100 g/L in H2O)

Application

Undergoes nucleophilic substitution reactions with phase-transfer catalysts.

Pictograms

CorrosionExclamation mark

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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