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2055-46-1

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2055-46-1 Structure

2055-46-1 Structure
IdentificationMore
[Name]

3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL
[CAS]

2055-46-1
[Synonyms]

2-(1H)-TETRAHYDROPYRIMIDINETHIONE
3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL
HEXAHYDROPYRIMIDINE-2-THIONE
PROPYLENE THIOUREA
PTU
1,3-Propylenethiourea
1,4,5,6-Tetrahydro-2-pyrimidinethiol
2-Mercapto-1,4,5,6-tetrahydropyrimidine
2-Mercapto-3,4,5,6-tetrahydropyrimidine
2-Mercaptotetrahydropyrimidine
3,4,5,6-Tetrahydro-2(1H)-pyrimidinethione
3,4,5,6-Tetrahydro-2-pyrimidine
Cyclic propylene thiourea
n,n’-trimethylenethiourea
N,N'-Trimethylenethiourea
Perhydropyrimidine-2-thione
tetrahydro-2(1h)-pyrimidinethion
Tetrahydro-2(1H)-pyrimidinethione
Tetrahydropyrimidine-2-thione
Thiourea, N,N'-1,3-propanediyl-
[EINECS(EC#)]

218-152-3
[Molecular Formula]

C4H8N2S
[MDL Number]

MFCD00060526
[Molecular Weight]

116.18
[MOL File]

2055-46-1.mol
Questions And AnswerBack Directory
[Uses]

Tetrahydropyrimidine-2(1H)-thione is a reactant in the preparation of aryl substituted heterocycles.
Chemical PropertiesBack Directory
[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)
[form ]

solid
[pka]

14.98±0.20(Predicted)
[color ]

White to Off-White
[CAS DataBase Reference]

2055-46-1(CAS DataBase Reference)
[EPA Substance Registry System]

Propylenethiourea (2055-46-1)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[RTECS ]

UW5782000
[Hazard Note ]

Irritant
[TSCA ]

TSCA listed
[HazardClass ]

IRRITANT
[HS Code ]

29335990
Hazard InformationBack Directory
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL(2055-46-1)1HNMR
3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL(2055-46-1)Raman
3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL(2055-46-1)IR
3,4,5,6-TETRAHYDRO-2-PYRIMIDINETHIOL(2055-46-1)FT-IR
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

2055-46-1(sigmaaldrich)
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