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CAS

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69711-44-0

1,4-DICHLORO-3-BUTEN-2-ONE, also known as dichloroacetylacetone, is a chemical compound with the molecular formula C4H4Cl2O. It is a colorless, flammable liquid with a pungent odor.
Used in Pharmaceutical Industry:
1,4-DICHLORO-3-BUTEN-2-ONE is used as an intermediate in the synthesis of pharmaceuticals for its ability to facilitate the formation of carbon-carbon and carbon-nitrogen bonds.
Used in Agrochemical Industry:
1,4-DICHLORO-3-BUTEN-2-ONE is used as an intermediate in the synthesis of agrochemicals due to its role in creating essential chemical structures for various agrochemical products.
Used in Organic Chemistry Research:
1,4-DICHLORO-3-BUTEN-2-ONE is used as a reagent in organic chemistry reactions, particularly for its utility in the formation of carbon-carbon and carbon-nitrogen bonds, which are crucial for developing new organic compounds.
Safety Note:
1,4-DICHLORO-3-BUTEN-2-ONE is classified as a hazardous substance, as it is irritant to the skin, eyes, and respiratory system, and it may cause adverse health effects if inhaled, ingested, or comes into contact with the skin. Therefore, proper safety precautions should be taken when handling and using this compound.

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  • 69711-44-0 Structure

  • Basic information

    1. Product Name: 1,4-DICHLORO-3-BUTEN-2-ONE
    2. Synonyms: 1,4-DICHLORO-3-BUTEN-2-ONE;1,4-Dichlorobut-3-en-2-one
    3. CAS NO:69711-44-0
    4. Molecular Formula: C4H4Cl2O
    5. Molecular Weight: 138.97996
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 69711-44-0.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 192.3 °C at 760 mmHg
    3. Flash Point: 74.4 °C
    4. Appearance: /
    5. Density: 1.286 g/cm3
    6. Vapor Pressure: 0.492mmHg at 25°C
    7. Refractive Index: 1.473
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 1,4-DICHLORO-3-BUTEN-2-ONE(CAS DataBase Reference)
    11. NIST Chemistry Reference: 1,4-DICHLORO-3-BUTEN-2-ONE(69711-44-0)
    12. EPA Substance Registry System: 1,4-DICHLORO-3-BUTEN-2-ONE(69711-44-0)

  • 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: 69711-44-0(Hazardous Substances Data)

69711-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69711-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,1 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69711-44:
(7*6)+(6*9)+(5*7)+(4*1)+(3*1)+(2*4)+(1*4)=150
150 % 10 = 0
So 69711-44-0 is a valid CAS Registry Number.
InChI:InChI=1/C4H4Cl2O/c5-2-1-4(7)3-6/h1-2H,3H2/b2-1+

69711-44-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 1,4-DICHLORO-3-BUTEN-2-ONE

1.2 Other means of identification

Product number -
Other names DL-1,4-Diphenyl-1,4-dichlor-butan

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:69711-44-0 SDS

69711-44-0Upstream product

69711-44-0Downstream Products

69711-44-0Relevant articles and documents

Chemical process

-

, (2008/06/13)

An improved process for the preparation of 3-substituted thiophenes. The thiophenes are useful for the preparation of penicillins and cephalosporins. The process is for the preparation of a thiophene of formula (I): STR1 where R1 represents a carboxylic acid group, or an ester or amide thereof or a nitrile group; R2 represents a group suitable for use as an α-substituent in the side-chain of a penicillin or cephalosporin; which comprises treating under basic conditions a compound of formula (II): STR2 wherein X represents halogen or optionally functionalized hydroxyl, Y represents halogen, hydroxyl, or alkoxy; with a source of nucleophilic sulphur ionically bound to a polymeric support.

Process for the preparation of thiophenes

-

, (2008/06/13)

A process for the preparation of 3-substituted thiophenes which involves cyclization of a novel intermediate, avoids the use of previously employed expensive starting materials. The thiophenes are useful for the preparation of penicillins and cephalosporins. The process is for the preparation of a thiophene of formula (I): STR1 where R1 represents a carboxylic acid group, or an ester or amide thereof or a nitrile group; R2 represents a group suitable for use as an α-substituent in the side-chain of a penicillin or cephalosporin; which comprises treating a compound of formula (II): STR2 wherein X represents halogen or optionally functionalized hydroxyl, Y represents halogen, hydroxyl, or alkoxy; with a source of nucleophilic sulphur under basic conditions.

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