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HomeProduct name list3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

Synonym(s):4-Methyl-2-imidazolidinethione

  • CAS NO.:2055-46-1
  • Empirical Formula: C4H8N2S
  • Molecular Weight: 116.18
  • MDL number: MFCD00060526
  • EINECS: 218-152-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL Structural

What is 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL?

The Uses of 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

Tetrahydropyrimidine-2(1H)-thione is a reactant in the preparation of aryl substituted heterocycles.

Preparation

The preparation of 3,4,5,6-Tetrahydro-2- pyrimidinethiol is as follows:Carbon disulfide (0.2 mol) was added dropwise to a  solution of 1,3-diamino propane 1 (0.2 mol) in H2O/EtOH  (20 ml), and the temperature was remained constant at  0-5 oC. After the completion of addition, the reaction  mixture was refluxed for 12h and then cooled to room  temperature. The precipitate was collected by filtration and  recrystallized from EtOH to give pure desired compound.

Properties of 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

Melting point: 210-212 °C (lit.)
Boiling point: 171.6±23.0 °C(Predicted)
Density  1.095 (estimate)
refractive index  1.5000 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly)
pka 14.98±0.20(Predicted)
form  solid
color  White to Off-White
CAS DataBase Reference 2055-46-1(CAS DataBase Reference)
EPA Substance Registry System Propylenethiourea (2055-46-1)

Safety information for 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL

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