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1.06627

Supelco

Sodium thiocyanate

EMPLURA®

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Synonym(s):
Sodium thiocyanate, Sodium sulfocyanide
Empirical Formula (Hill Notation):
CNNaS
CAS Number:
Molecular Weight:
81.07
MDL number:
EC Index Number:
208-754-4

vapor pressure

<1 hPa ( 20 °C)

Quality Level

product line

EMPLURA®

Assay

≥98.5% dry basis (silver nitrate titration)

form

solid

potency

764 mg/kg LD50, oral (Rat)

loss

≤5.0% loss on drying, 105°C

pH

6-8 (20 °C, 100 g/L in H2O)

mp

308 °C

solubility

>1000 g/L

density

1.74 g/cm3 at 20 °C

bulk density

800‑1000 kg/m3

anion traces

chloride (Cl-): ≤0.1%
sulfate (SO42-): ≤0.025%

cation traces

As: ≤0.0005%
heavy metals (as Pb): ≤0.002%

storage temp.

2-30°C

InChI

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

InChI key

VGTPCRGMBIAPIM-UHFFFAOYSA-M

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Sodium thiocyanate EMPLURA&#174;

1.06627

Sodium thiocyanate

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

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Sodium thiocyanate solution

Premium Grade
solubility

>1000 g/L

solubility

-

solubility

-

solubility

H2O: 8 M at 20 °C, clear, colorless

assay

≥98.5% dry basis (silver nitrate titration)

assay

98-102% (titration)

assay

≥99.99% trace metals basis

assay

-

Quality Level

200

Quality Level

-

Quality Level

200

Quality Level

100

anion traces

chloride (Cl-): ≤0.1%, sulfate (SO42-): ≤0.025%

anion traces

-

anion traces

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

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg, sulfide (S2-): ≤20 mg/kg

cation traces

heavy metals (as Pb): ≤0.002%, As: ≤0.0005%

cation traces

-

cation traces

Fe: ≤2 ppm, NH4+: ≤0.002%, heavy metals: ≤5 ppm

cation traces

Al: ≤1 mg/kg, As: ≤0.1 mg/kg, Ba: ≤1 mg/kg, Bi: ≤1 mg/kg, Ca: ≤50 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤200 mg/kg, Li: ≤1 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Mo: ≤1 mg/kg, NH4+: ≤40 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Sr: ≤1 mg/kg, Zn: ≤1 mg/kg

Analysis Note

Assay (argentometric; calculated on dried substance): ≥ 98.5 %
Identity: passes test
Chloride (Cl): ≤ 0.1 %
Sulfate (SO₄): ≤ 0.025 %
Heavy metals (as Pb): ≤ 0.002 %
As (Arsenic): ≤ 0.0005 %
Loss on Drying (105°C): ≤ 5.0 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

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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