ChemicalBook > CAS DataBase List > 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

Product Name
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
CAS No.
7226-23-5
Chemical Name
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Synonyms
DMPU;1,3-Dimethyltetrahydropyrimidin-2(1H)-one;1,3-Dimethyl-1,3-diazinan-2-one;1,3-DIMETHYLTETRAHYDRO-2-PYRIMIDINONE;tetrahydro-1,3-dimethyl-2(1h)pyrimidine;Lycii Cortex;DMPU(solvent);Cortex Lycii P.E.;Tedizolid Impurity 69;LABOTEST-BB LT00848352
CBNumber
CB4675240
Molecular Formula
C6H12N2O
Formula Weight
128.17
MOL File
7226-23-5.mol
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone Property

Melting point:
-20 °C
Boiling point:
146 °C44 mm Hg(lit.)
Density 
1.06 g/mL at 25 °C(lit.)
vapor pressure 
0.5 hPa (57 °C)
refractive index 
n20/D 1.488(lit.)
Flash point:
121 °C
storage temp. 
Store below +30°C.
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly)
form 
Liquid
pka
-0.65±0.20(Predicted)
color 
Clear colorless to slightly yellow
PH
11 (100g/l, H2O, 20℃)
explosive limit
1.6-9.3%(V)
Water Solubility 
soluble
Sensitive 
Hygroscopic
BRN 
110562
Dielectric constant
36.119999999999997
Stability:
Hygroscopic
InChIKey
GUVUOGQBMYCBQP-UHFFFAOYSA-N
LogP
0.05 at 25℃
CAS DataBase Reference
7226-23-5(CAS DataBase Reference)
EPA Substance Registry System
2(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl- (7226-23-5)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-36-43-62-41
Safety Statements 
23-26-36/37/39-45
WGK Germany 
2
RTECS 
UW7582500
F 
3-10
Autoignition Temperature
255 °C
TSCA 
Yes
HS Code 
29335995
Toxicity
LD50 orally in Rabbit: 1770 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H318Causes serious eye damage

Precautionary statements

P201Obtain special instructions before use.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.18214
Product name
1,3-Dimethyltetrahydro-2(1H)-pyrimidinone
Purity
for synthesis
Packaging
100mL
Price
$81.8
Updated
2024/03/01
Sigma-Aldrich
Product number
8.18214
Product name
1,3-Dimethyltetrahydro-2(1H)-pyrimidinone
Purity
for synthesis
Packaging
500mL
Price
$215
Updated
2024/03/01
Sigma-Aldrich
Product number
8.18214
Product name
1,3-Dimethyltetrahydro-2(1H)-pyrimidinone
Purity
for synthesis
Packaging
25kg
Price
$4760
Updated
2024/03/01
Sigma-Aldrich
Product number
251569
Product name
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Purity
98%
Packaging
25g
Price
$39.7
Updated
2024/03/01
Sigma-Aldrich
Product number
251569
Product name
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Purity
98%
Packaging
100g
Price
$84.3
Updated
2024/03/01
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone Chemical Properties,Usage,Production

Chemical Properties

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is clear colorless to slightly yellowish liquid

Uses

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is a versatile organic solvent in and less toxic than HMPA. It is mainly applied in the synthesis of pharmaceuticals and agrochemicals. DMPU is also used in the electronics industry.

Uses

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone is a versatile solvent used in the N-alkylation of chiral and O-alkylation of aldoses. It is involved in the preparation of poly(aryl ethers). It is a cyclic urea and used as a polar aprotic organic solvent. Further, it reacts with trifluoro-methanesulfonic acid anhydride to prepare 2,2'-oxy-bis(1,3-dimethyl-tetrahydropyrimidinium) bis(trifluoromethanesulfonate).

Uses

Versatile solvent employed in N-alkylation of chiral, primary amines, O-alkylation of aldoses, and in the synthesis of poly(aryl ethers).

Flammability and Explosibility

Non flammable

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone Preparation Products And Raw materials

Raw materials

Benzyltriethylammonium chloride p-Toluenesulfonic acid monohydrate Potassium carbonate 1,4-Dioxane Propyleneurea Dichloromethane Dimethyl sulfate

Preparation Products

2-MORPHOLINONICOTINALDEHYDE 2-Chloro-3-pyridinecarboxaldehyde
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1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone Suppliers

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View Lastest Price from 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone 7226-23-5
Price
US $50.00/kg
Min. Order
1kg
Purity
99.10%
Supply Ability
50000kg
Release date
2024-04-25
Hebei Yanxi Chemical Co., Ltd.
Product
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone 7226-23-5
Price
US $30.00-6.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-09-07
Hebei Guanlang Biotechnology Co., Ltd.
Product
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone 7226-23-5
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2022-10-20

7226-23-5, 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinoneRelated Search:

N,N-Dimethylformamide Dimethicone Dimethyl fumarate Dimethyl sulfoxide Dimethyl sebacate Dimethyl sulfone ETHANE Dimethyl carbonate CHLORPROPAMIDE 2,2-Dimethyl-1,3-propanediol Dimethyl phthalate CHLORODIMETHYLVINYLSILANE Dimethyl ether POLY(N-ISOPROPYL ACRYLAMIDE) N,N-Dimethylaniline N-Methylolacrylamide Poly(dimethylsiloxane) N,N-Dimethylacetamide

  • 1,3-dimethyl-perhydro-2-pyrimidinone
  • 1,3-dimethyl-tetrahydro-pyrimidin-2-one
  • n,n’-dimethyltrimethyleneurea
  • tetrahydro-1,3-dimethyl-2(1h)pyrimidine
  • tetrahydro-1,3-dimethyl-2(1h)-pyrimidinon
  • 1,3-Dimethyl-2-oxohexahydropyrimidine
  • 1,3-Dimethyltetrahydropyrimidin-2(1H)-one
  • DMPUN,N'-DiMethylpropyleneurea
  • 1,3-DiMethyl-3,4,5,6-tetrahydro-2(1H)-pyriMidinone, 97%, pure
  • 1,3-DiMethyl-3,4,5,6-tetrahydro-2(1H)-pyriMidinone, 97% 100ML
  • 1,3-DiMethyl-3,4,5,6-tetrahydro-2(1H)-pyriMidinone, 97% 500ML
  • 1,3-DIMETHYLTETRAHYDRO-2(1H)-PYRIMIDINON
  • 1,3-DiMethyl-3,4,5,6-tetrahydro-2(1H)-pyriMidinone 98%
  • 1,3-DiMethyl-3,4,5,6-tetrahydro-2(1H)-pyriMidinone absolute, over Molecular sieve (H2O <=0.03%), >=99.0% (GC)
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1<i>H</i>)-pyrimidinone (DMPU)
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone≥ 99% (GC)
  • 1,3-Dimethyltetrahydro-2(1H)-pyrimidinone for synthesis
  • LABOTEST-BB LT00848352
  • DMPU
  • DIMETHYLPROPYLENE UREA
  • DIMETHYL(1,3-)-3,4,5,6-TETRAHYDRO-2H-PYRIMIDONE
  • 1,3-DIMETHYLTETRAHYDRO-2-PYRIMIDINONE
  • 1,3-DIMETHYL-PROPYLENEUREA
  • 1,3-DIMETHYL-2-OXOHEXAHYDROPYIRIMIDINE
  • 1,3-Dimethyl-3,4,5,6-tetrahydropyrimidin-2(1H)-one
  • tetrahydro-1,3-dimethyl-1H-pyrimidin-2-one
  • N,N'-Dimethyl-N,N'-trimethyleneurea (DMPU)
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidione
  • 2(1H)-Pyrimidinone, tetrahydro-1,3-dimethyl-
  • N,N'-Dimethylpropylenharnstoff
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (DMPU)
  • 1,3-DIMETHYL-3,4,5,6-TETRAHYDRO-2(1H)-PYRIMIDONE
  • N,N-Dimethyl Propylene urea(DMPU)
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, 98+%
  • 1,3-Dimethyl-2-oxohexahydropyrimidine, N,Nμ-Dimethylpropylene urea, DMPU
  • 1,3-Dimethyl-1,3-diazinan-2-one
  • 3,4,5,6-Tetrahydro-1,3-dimethyl-2(1H)-pyrimidinone
  • 3,4,5,6-Tetrahydro-1,3-dimethylpyrimidin-2(1H)-one
  • DMPU(solvent)
  • N,N'-DIMETHYLPROPYLENEUREA
  • N,N'-DIMETHYL-N,N'-TRIMETHYLENEUREA
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone,97%
  • 1,3-DIMETHYL-3,4,5,6-TETRAHYDRO-2(1H)-PY RIMIDINONE ABS.
  • N,N-Dimethyl Propionyl urea
  • 1,3-Dimethyl-3,4,5,6- tetrahydro-2-pyrimidinone
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone ,99%
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone ,99.95%
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone,1,3-Dimethyl-2-oxohexahydropyrimidine, N,N′-Dimethylpropylene urea, DMPU
  • Cortex Lycii P.E.
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, pure, 97%
  • 3-DiMethyl-propyleneurea
  • 1,3-DIMETHYL-3,4,5,6-TETRAHYDRO-2(1H)-PYRIMIDINONE
  • Lycii Cortex
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone 7226-23-5
  • 1,3-Dimethyltetrahydro-2(1H)-pyrimidinone
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone&gt
  • 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinonel
  • Tedizolid Impurity 69