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1072-89-5

4,5-Dimethyl-1,3-dihydro-2H-imidazol-2-one, commonly referred to as DMDO, is a chemical compound that falls under the category of organic compounds known as azolinones. These are heterocyclic compounds characterized by the presence of oxazoline, thiazoline, or imidazoline moieties. DMDO is particularly recognized for its role as a versatile synthetic reagent in organic synthesis, with a solid white appearance, a high melting point, and low solubility in water.

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  • 1072-89-5 Structure

  • Basic information

    1. Product Name: 4,5-DIMETHYL-1,3-DIHYDRO-2H-IMIDAZOL-2-ONE
    2. Synonyms: 4,5-DIMETHYL-1,3-DIHYDRO-IMIDAZOL-2-ONE;4,5-DIMETHYL-1,3-DIHYDRO-2H-IMIDAZOL-2-ONE;4,5-DIMETHYL-2,3-DIHYDRO-IMIDAZOL-2-ONE;4,5-DiMethyl-1H-iMidazol-2(3H)-one;2H-IMidazol-2-one,1,3-dihydro-4,5-diMethyl-;4,5-Dimethyl-1H-imidazol-2(3H)
    3. CAS NO:1072-89-5
    4. Molecular Formula: C5H8N2O
    5. Molecular Weight: 112.13
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1072-89-5.mol

  • Chemical Properties

    1. Melting Point: >230 °C (decomp)
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: 1.052 g/cm3
    6. Refractive Index: N/A
    7. Storage Temp.: 2-8°C
    8. Solubility: N/A
    9. PKA: 12.30±0.70(Predicted)
    10. CAS DataBase Reference: 4,5-DIMETHYL-1,3-DIHYDRO-2H-IMIDAZOL-2-ONE(CAS DataBase Reference)
    11. NIST Chemistry Reference: 4,5-DIMETHYL-1,3-DIHYDRO-2H-IMIDAZOL-2-ONE(1072-89-5)
    12. EPA Substance Registry System: 4,5-DIMETHYL-1,3-DIHYDRO-2H-IMIDAZOL-2-ONE(1072-89-5)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 1072-89-5(Hazardous Substances Data)

1072-89-5 Usage

Uses

Used in Organic Synthesis:
DMDO is employed as a synthetic reagent in the field of organic chemistry, specifically for the oxidation of primary and secondary alcohols to aldehydes and ketones, respectively. This makes it a valuable tool in the synthesis of various organic compounds.
Used in Epoxidation Reactions:
In addition to its utility in alcohol oxidation, DMDO is also used for the epoxidation of alkenes, a reaction that is crucial in the preparation of various chemical intermediates and final products in organic chemistry.
Used in Laboratory and Industrial Settings:
Due to its reactivity and stability, DMDO is a preferred choice in both laboratory research and industrial applications, where it is used to facilitate complex organic synthesis processes and improve the efficiency of chemical reactions.

Check Digit Verification of cas no

The CAS Registry Mumber 1072-89-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,7 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1072-89:
(6*1)+(5*0)+(4*7)+(3*2)+(2*8)+(1*9)=65
65 % 10 = 5
So 1072-89-5 is a valid CAS Registry Number.

1072-89-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,5-dimethyl-1,3-dihydroimidazol-2-one

1.2 Other means of identification

Product number -
Other names HMS1733G12

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1072-89-5 SDS

1072-89-5Downstream Products

1072-89-5Relevant articles and documents

Mechanistic Studies in the Chemistry of Urea. Part 8. Reactions of Urea, 1-Methylurea, and 1,3-Dimethylurea with Some Acyloins and Butane-2,3-dione (Diacetyl) in Acid Solution

Butler, Anthony R.,Hussain, Ishtiaq

, p. 310 - 316 (2007/10/02)

Urea and 1-methylurea react with both aromatic and aliphatic acyloins to form 4-imidazolin-2-ones but, under the same reaction conditions, 1,3-dimethylurea does not react.However, 1,3-dimethylurea does react with diacethyl to form 4,4'-methylenebis-(1,3,5-trimethyl-4-imidazolin-2-one) (4a).The carbon atom lost in the formation of (4a) is eliminated as formaldehyde.We propose a reaction mechanism which involves formation of an oxetan ring.With 1-methylurea and urea the main products of reaction with diacetyl are the bicyclic compounds (6a-c).However, it is possible that reactions analogous to that leading to the formation of (4a) also occur and that the carbonium ion (5c) is the coloured species formed in the well known colorimetric procedure for the determination of urea concentrations in biological liquids.

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