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99-54-7

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99-54-7 Usage

Chemical Properties

colourless to yellow crystals or beige powder

Uses

Different sources of media describe the Uses of 99-54-7 differently. You can refer to the following data:
1. 1,2-Dichloro-4-nitrobenzene is an intermediate in the synthesis of agrochemicals. Studies have been conducted to use 1,2-Dichloro-4-nitrobenzene as an organic intermediate for the synthetic preparati on of ciprofloxacin (C482500).
2. 1,2-Dichloro-4-nitrobenzene is an intermediate in the synthesis of agrochemicals. Studies have been conducted to use 1,2-Dichloro-4-nitrobenzene as an organic intermediate for the synthetic preparation of ciprofloxacin (C482500).

Synthesis Reference(s)

The Journal of Organic Chemistry, 42, p. 3494, 1977 DOI: 10.1021/jo00442a009

General Description

Colorless crystals or light beige solid.

Air & Water Reactions

Insoluble in water.

Fire Hazard

3,4-Dichloronitrobenzene is combustible.

Flammability and Explosibility

Nonflammable

Purification Methods

Crystallise it from absolute EtOH. [Beilstein 5 IV 726.]

Check Digit Verification of cas no

The CAS Registry Mumber 99-54-7 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99-54:
(4*9)+(3*9)+(2*5)+(1*4)=77
77 % 10 = 7
So 99-54-7 is a valid CAS Registry Number.

99-54-7 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
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  • Detail
  • Alfa Aesar

  • (A10620)  1,2-Dichloro-4-nitrobenzene, 99%   

  • 99-54-7

  • 250g

  • 279.0CNY

  • Detail
  • Alfa Aesar

  • (A10620)  1,2-Dichloro-4-nitrobenzene, 99%   

  • 99-54-7

  • 1000g

  • 897.0CNY

  • Detail
  • Alfa Aesar

  • (A10620)  1,2-Dichloro-4-nitrobenzene, 99%   

  • 99-54-7

  • 5000g

  • 1334.0CNY

  • Detail
  • Sigma-Aldrich

  • (35831)  1,2-Dichloro-4-nitrobenzene  PESTANAL®, analytical standard

  • 99-54-7

  • 35831-1G

  • 313.56CNY

  • Detail
  • Aldrich

  • (D68800)  1,2-Dichloro-4-nitrobenzene  99%

  • 99-54-7

  • D68800-100G

  • 341.64CNY

  • Detail

99-54-7SDS

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 1,2-Dichloro-4-nitrobenzene

1.2 Other means of identification

Product number -
Other names 1,2-dichloro-4-nitrobenzene

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:99-54-7 SDS

99-54-7Relevant articles and documents

Doyle et al.

, p. 3494 (1977)

Ipso Nitration of Aryl Boronic Acids Using Fuming Nitric Acid

Baucom, Kyle D.,Brown, Derek B.,Caille, Seb,Murray, James I.,Quasdorf, Kyle,Silva Elipe, Maria V.

supporting information, (2021/06/30)

The ipso nitration of aryl boronic acid derivatives has been developed using fuming nitric acid as the nitrating agent. This facile procedure provides efficient and chemoselective access to a variety of aromatic nitro compounds. While several activating agents and nitro sources have been reported in the literature for this synthetically useful transformation, this report demonstrates that these processes likely generate a common active reagent, anhydrous HNO3. Kinetic and mechanistic studies have revealed that the reaction order in HNO3 is >2 and indicate that the ?NO2 radical is the active species.

Preparation method of 1,2-dichloro-4-nitrobenzene

-

Paragraph 0007, (2020/04/17)

The invention discloses a preparation method of 1,2-dichloro-4-nitrobenzene. The preparation method comprises the following steps: adding p-nitrochlorobenzene into a sulfuric acid solution with a massfraction of 65%, carrying out stirring for dissolving of the p-nitrochlorobenzene, conducting heating to 55 DEG C, then adding potassium chlorate, carrying out a stirring and heat-preserved reactionfor 8 h, performing cooling with ice water after the reaction is completed, extracting a reaction solution with a carbon tetrachloride solution, conducting liquid separation, subjecting an organic phase to washing by an aqueous sulphurous acid solution with a mass fraction of 6%, an aqueous sodium hydroxide solution with a mass fraction of 12% and water in sequence, carrying out drying, evaporating an organic solution to dryness, and performing recrystallizing to obtain a yellow acicular crystal, namely the product 1,2-dichloro-4-nitrobenzene. The preparation method is simple in synthesis process, improved in product yield and mild in reaction conditions, and has practical application and promotion values.

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