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Key Documents

8.03520

Sigma-Aldrich

N,N′-Diethylthiourea

for synthesis

Synonym(s):

N,N′-Diethylthiourea, 1,3-Diethylthiourea

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About This Item

Linear Formula:
(C2H5NH)2CS
CAS Number:
Molecular Weight:
132.23
MDL number:
UNSPSC Code:
12352111
EC Index Number:
203-308-5
NACRES:
NA.22

vapor pressure

0.0000064 hPa ( 20 °C)

Quality Level

Assay

≥98.0% (HPLC)

form

crystals

potency

316 mg/kg LD50, oral (Rat)

pH

7 (20 °C, 38 g/L in H2O)

mp

75-78 °C

transition temp

flash point 186 °C

density

1.12 g/cm3 at 20 °C

bulk density

735 kg/m3

storage temp.

2-30°C

InChI

1S/C5H12N2S/c1-3-6-5(8)7-4-2/h3-4H2,1-2H3,(H2,6,7,8)

InChI key

FLVIGYVXZHLUHP-UHFFFAOYSA-N

Application


  • Solid–Liquid Phase Equilibrium and Thermodynamic Analysis of N,N′-Diethylthiourea in Different Solvent Systems: This study investigates the solid–liquid phase equilibrium of N,N′-diethylthiourea in various solvent systems, analyzing both solid-state structure and solution thermodynamics (M Yao et al., 2019).

  • Appraisal of the hydrogen atom transfer mechanism for the reaction between thiourea derivatives and OH radical: A comparative study of N,N′-dimethylthiourea and N,N′-diethylthiourea with OH radicals, highlighting the less toxic nature of diethylthiourea (KRN Serobatse, MM Kabanda, 2017).

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 75 °C
Melting range (upper value): ≤ 78 °C
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 3 - Carc. 2 - Eye Dam. 1 - Skin Sens. 1B

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

366.8 °F

Flash Point(C)

186 °C


Certificates of Analysis (COA)

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