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9,9-Dichlorofluorene, with the molecular formula C13H8Cl2, is a colorless to light yellow solid chemical compound. It is insoluble in water but readily soluble in organic solvents. 9,9-DICHLOROFLUORENE serves as a crucial building block in the synthesis of a variety of organic compounds, particularly in the pharmaceutical and agrochemical industries. Its applications extend to research and development, including the production of dyes and pigments. Furthermore, 9,9-Dichlorofluorene has been a subject of study for its environmental and toxicological impacts, focusing on its persistence and potential for bioaccumulation in aquatic organisms. It is an essential chemical reagent with a broad spectrum of uses in the chemical industry.

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  • 25023-01-2 Structure
  • Basic information

    1. Product Name: 9,9-DICHLOROFLUORENE
    2. Synonyms: 9,9-DICHLOROFLUORENE;9,9-dichloro-9H-fluorene;9,9-DICHLOROFLUOROENE;9 9-DICHLOROFLUORENE 95%;9,9-Dichlorlo-9H-fluorene
    3. CAS NO:25023-01-2
    4. Molecular Formula: C13H8Cl2
    5. Molecular Weight: 235.11
    6. EINECS: 246-568-5
    7. Product Categories: Fluorene Derivatives;Fluorene Series
    8. Mol File: 25023-01-2.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 325.8 °C at 760 mmHg
    3. Flash Point: 149.8 °C
    4. Appearance: /
    5. Density: 1.37 g/cm3
    6. Vapor Pressure: 0.000428mmHg at 25°C
    7. Refractive Index: 1.669
    8. Storage Temp.: Sealed in dry,Room Temperature
    9. Solubility: N/A
    10. CAS DataBase Reference: 9,9-DICHLOROFLUORENE(CAS DataBase Reference)
    11. NIST Chemistry Reference: 9,9-DICHLOROFLUORENE(25023-01-2)
    12. EPA Substance Registry System: 9,9-DICHLOROFLUORENE(25023-01-2)
  • 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: 25023-01-2(Hazardous Substances Data)

25023-01-2 Usage

Uses

Used in Pharmaceutical Industry:
9,9-Dichlorofluorene is used as a key intermediate in the synthesis of various pharmaceutical compounds for its ability to form complex organic molecules that can exhibit therapeutic properties.
Used in Agrochemical Industry:
In the agrochemical sector, 9,9-Dichlorofluorene is utilized as a precursor in the production of pesticides and other agrochemicals, contributing to the development of effective crop protection agents.
Used in Research and Development:
9,9-Dichlorofluorene is employed as a research chemical in the development of new dyes and pigments, allowing for the creation of novel colorants for various applications.
Used in Environmental and Toxicological Studies:
9,9-Dichlorofluorene is used in scientific research to understand its environmental fate and behavior, particularly its persistence in the environment and potential for bioaccumulation in aquatic organisms, which is crucial for assessing its ecological impact and safety.

Check Digit Verification of cas no

The CAS Registry Mumber 25023-01-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,0,2 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25023-01:
(7*2)+(6*5)+(5*0)+(4*2)+(3*3)+(2*0)+(1*1)=62
62 % 10 = 2
So 25023-01-2 is a valid CAS Registry Number.
InChI:InChI=1/C13H8Cl2/c14-13(15)11-7-3-1-5-9(11)10-6-2-4-8-12(10)13/h1-8H

25023-01-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 9,9-DICHLOROFLUORENE

1.2 Other means of identification

Product number -
Other names 9,9-Dichlor-fluoren

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:25023-01-2 SDS

25023-01-2Relevant articles and documents

Chlorination process, alkylation of products of said process and some products thereof

-

, (2008/06/13)

Compounds having acidic protons and a molecular structure which can delocalize the electron density of the conjugate base (target compounds) are chlorinated by contacting such compounds with a perchloroalkane and aqueous base in the presence of a phase transfer catalyst which is an tetraalkylammonium hydroxide. Chlorinated products, preferably gem-dichloro compounds, are produced. The gem-dichloro compounds are useful for alkylation of aromatic compounds. For instance fluorene is chlorinated to form 9,9-dichlorofluorene which is reacted with such compounds as phenol or aniline to form such compounds as 9,9-bis(hydroxyphenyl)fluorene, 9,9-bis(aminophenyl)fluorene, or 9-aminophenyl-9-chlorofluorene.

Hexamethylphosphoramide Catalyzed Conversion of Carbonyl Compounds into geminal-Dichlorides with Thionyl Chloride

Khurana, J. M.,Mehta, Sanjay

, p. 1128 (2007/10/02)

α, β-Unsaturated and aromatic aldehydes can be converted into geminal-dichlorides quantitatively by reaction with thionyl chloride in the presence of catalytic amounts of hexamethylphosphoramide at room temperature

Diaryldichlorocarbonyl Ylides Derived from Dichlorocarbene and Aromatic Ketones

Martin, Charles W.,Gill, Harpal S.,Landgrebe, John A.

, p. 1898 - 1901 (2007/10/02)

The thermal decomposition of phenyl(bromodichloromethyl)mercury (4) in the presence of benzophenone (2) in dry benzene at 80 degC resulted in α-chlorodiphenylacetyl chloride (6) as the only major initial product together with small amounts of dichlorodiphenylmethane (5) and carbon monoxide.Analogous products were observed from fluorenone (3).Dimethyl acetylenedicarboxylate (15) failed to trap the presumed intermediate dihalocarbonyl ylide from either ketone.Attempts to explain the difference in behavior between dihalocarbonyl ylides derived from benzaldehydes and diaryl ketones suggest that in the latter case a twist in the plane of the ylide caused by endo,endo interactions of a chlorine and an aromatic ring leads to rapid closure to oxirane 11 followed by rearrangement to acid chloride 6.Alternative explanations are also explored.

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