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125312-85-8

1-Propanone, 2,3-dichloro-1-phenyl- (9CI), also known as 2,3-dichloro-1-phenylpropan-1-one, is an organic compound with the chemical formula C9H8Cl2O. It is a colorless to pale yellow liquid with a molecular weight of 203.06 g/mol. 1-Propanone, 2,3-dichloro-1-phenyl- (9CI) is characterized by the presence of a propionyl group (CH3CO-), a phenyl group (C6H5-), and two chlorine atoms attached to the second and third carbon atoms of the propyl chain. It is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity and potential applications, it is essential to handle this compound with care, following proper safety protocols and guidelines.

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  • 125312-85-8 Structure

  • Basic information

    1. Product Name: 1-Propanone, 2,3-dichloro-1-phenyl- (9CI)
    2. Synonyms: 1-Propanone, 2,3-dichloro-1-phenyl- (9CI)
    3. CAS NO:125312-85-8
    4. Molecular Formula: C9H8Cl2O
    5. Molecular Weight: 203.06522
    6. EINECS: N/A
    7. Product Categories: ACETYLHALIDE
    8. Mol File: 125312-85-8.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 1-Propanone, 2,3-dichloro-1-phenyl- (9CI)(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1-Propanone, 2,3-dichloro-1-phenyl- (9CI)(125312-85-8)
    11. EPA Substance Registry System: 1-Propanone, 2,3-dichloro-1-phenyl- (9CI)(125312-85-8)

  • 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: 125312-85-8(Hazardous Substances Data)

125312-85-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125312-85-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,3,1 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 125312-85:
(8*1)+(7*2)+(6*5)+(5*3)+(4*1)+(3*2)+(2*8)+(1*5)=98
98 % 10 = 8
So 125312-85-8 is a valid CAS Registry Number.

125312-85-8Relevant articles and documents

Chlorination of α,β-Unsaturated Ketones and Esters in the Presence of Acid Scavengers

Heasley, Victor L.,Elliott, Stephen L.,Erdman, Paul E.,Figueroa, Daphne E.,Krosley, Kevin W.,et al.

, p. 393 - 399 (2007/10/02)

The chlorination of a series of α,β-unsaturated ketones and esters by Cl2 in CH3OH, with and without acid scavengers such as N-chlorosuccinimide (NCS), pyridine and 2,6-lutidine, is described.Methyl vinyl ketone and cyclohex-2-enone have also been chlorinated in ethanol.Mixtures of Markovnikov(M) and anti-Markovnikov(AM) methoxy chlorides and dichlorides are formed in most cases; phenyl vinyl ketone gives no M products in the absence of pyridine, M methoxy chloride is not formed with (E)-4-chlorobut-3-en-2-one under any conditions, pyridine has no effect on the product ratios and methyl 3-chlorobut-2-enoate forms only dichloride.Chlorination of the ketones in the presence of the pyridines results in a significant increase in the M regioisomer (except for methyl isopropenyl ketone and the ketones mentioned), giving M : AM ratios which are similar to the corresponding esters.Ratios for the esters are not affected significantly by pyridine.We ascribe the effect of the pyridine bases to the elimination of acid and the acid-catalysed mechanism, permitting the chlorination to occur via a carbon-carbon ?-bond (chloronium ion) mechanism.The rate of chlorination of methyl vinyl ketone is retarded by pyridine but is still considerably faster than methyl acrylate.NCS, in contrast to N-bromosuccinimide (NBS) reported previously, has no effect on the M : AM ratio.The chlorination of methyl vinyl ketone with NCS and HCl gives markedly different results from Cl2.

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