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

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Origin: China

Cas No: 7226-23-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
7226-23-5
Other Names:
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
MF:
C6H12N2O
EINECS No.:
230-625-6
Place of Origin:
Shanghai, China
Grade Standard:
Agriculture Grade, Electron Grade, Food Grade, Industrial Grade, Medicine Grade, Reagent Grade
Purity:
99%min
Appearance:
Liquid
Application:
Medicine
Brand Name:
Terppon
Model Number:
186
Package:
200kg/drum
Packaging&Delivery
Lead Time:
Quantity(Kilograms) 1 - 1 >1
Est. Time(days) 18 To be negotiated

Property

CAS No.: 7226-23-5 Formula: C6H12N2O Molecular Weight: 128.17200

Description

1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone (DMPU) is a cyclic urea sometimes used as a polar, aprotic organic solvent. In 1985, Dieter Seebach showed that it is possible to substitute the relatively toxic hexamethylphosphoramide (HMPA) with DMPU.

Basic Info

Chemical Name	1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
Synonyms	1,3-dimethyl-1,3-diazinan-2-one;
CAS No.	7226-23-5
Molecular Formula	C6H12N2O
Molecular Weight	128.17200
PSA	23.55000
LogP	0.24950

Properties

Appearance & Physical State	Colorless liquid
Density	1.064
Boiling Point	246ºC
Melting Point	-20ºC
Flash Point	121ºC
Refractive Index	1.4875-1.4895
Water Solubility	soluble
Stability	Stable under normal temperatures and pressures.
Storage Condition	Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Info

RTECS	UW7582500
Safety Statements	S26-S36/37/39-S45
HS Code	29335995
WGK Germany	2
Risk Statements	R22; R41; R62
Hazard Codes	Xn
Hazard Declaration	H302; H317; H318; H361
Symbol	GHS05, GHS07, GHS08
Caution Statement	P280; P305 + P351 + P338
Signal Word	Danger

Synthesis Route

carbon monoxide+N,N'-Dimethyl-1,3-propanediamine→1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
carbon dioxide+1,3-Dichloropropane→1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone+tetrahydro-3-methyl-2H-1,3-oxazin-2-one
1,3-diazinan-2-one+dimethyl sulfate→1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone

Precursor

1,3-Dichloropropane
carbon dioxide
N,N'-Dimethyl-1,3-propanediamine
carbon monoxide

Downstream Product

N-methylpyrrolidin-2-one
9-(4-Bromophenyl)carbazole
2-Chloro-3-pyridinecarboxaldehyde

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