ChemicalBook > CAS DataBase List > 3,4-Dichlorophenylhydrazine hydrochloride

3,4-Dichlorophenylhydrazine hydrochloride

Product Name: 3,4-Dichlorophenylhydrazine hydrochloride
CAS No.: 19763-90-7
Chemical Name: 3,4-Dichlorophenylhydrazine hydrochloride
Synonyms: 3,4-Dichlorophenylhy;3,4-DICHLOROPHENYLHYDRAZINE HCL;Dichlorophenylhydrazine hydrochlorid;3,4-Dichoropheynylhydrazine hydrochloride;3,4-DICHLOROPHENYLHYDRAZINE HYDROCHLORIDE;3,4-DichlorophenylhydrazineHydrochloride>1-(3,4-DICHLOROPHENYL)HYDRAZINE HYDROCHLORIDE;3,4-Dichlorophenylhydrazine hydrochloride 97%;1,2-Dichloro-4-hydrazinobenzene hydrochloride;(3,4-dichlorophenyl)hydrazine monohydrochloride
CBNumber: CB2254267
Molecular Formula: C6H7Cl3N2
Formula Weight: 213.49
MOL File: 19763-90-7.mol

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3,4-Dichlorophenylhydrazine hydrochloride Property

Melting point:: 230 °C (dec.)(lit.)
storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
form: solid
color: Off-white to pink
BRN: 3703934
CAS DataBase Reference: 19763-90-7(CAS DataBase Reference)

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Safety

Hazard Codes: Xn,Xi
Risk Statements: 20/21/22-36/37/38
Safety Statements: 26-37/39-36/37/39-22-24/25
RIDADR: 2811
WGK Germany: 3
Hazard Note: Harmful/Irritant
HazardClass: IRRITANT
HS Code: 29280000

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 152811
Product name: 3,4-Dichlorophenylhydrazine hydrochloride
Purity: technical grade, 90%
Packaging: 25g
Price: $206
Updated: 2025/07/31

Sigma-Aldrich

Product number: 152811
Product name: 3,4-Dichlorophenylhydrazine hydrochloride
Purity: technical grade, 90%
Packaging: 100g
Price: $878
Updated: 2023/06/20

TCI Chemical

Product number: D2643
Product name: 3,4-Dichlorophenylhydrazine Hydrochloride
Purity: >96.0%(HPLC)(T)
Packaging: 5g
Price: $88
Updated: 2021/12/16

TCI Chemical

Product number: D2643
Product name: 3,4-Dichlorophenylhydrazine Hydrochloride
Purity: >96.0%(HPLC)(T)
Packaging: 25g
Price: $258
Updated: 2021/12/16

TRC

Product number: D435563
Product name: 3,4-Dichlorophenylhydrazine Hydrochloride
Packaging: 100mg
Price: $75
Updated: 2021/12/16

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3,4-Dichlorophenylhydrazine hydrochloride Chemical Properties,Usage,Production

Chemical Properties

white to light yellow crystal powde

Uses

3,4-Dichlorophenylhydrazine hydrochloride was used to prepare ethyl 2-(3,4-dichlorophenyl)hydrazinecarboxylate.

Synthesis

95-76-1

19763-90-7

The general procedure for the synthesis of 3,4-dichlorophenylhydrazine hydrochloride from 3,4-dichloroaniline is as follows: (A) In a 1000 ml three-necked flask, 3,4-dichloroaniline (64.8 g), 200 ml of concentrated hydrochloric acid, and 100 ml of water were added, heated to 80 °C and mechanically stirred at high speed for 40 min until a slurry was formed. The slurry was transferred to a 1000 mL beaker and cooled in an ice bath to a temperature below 5°C. In another 100 mL beaker, sodium nitrite (31.2 g) and 50 mL of water were added, stirred to dissolve, and similarly cooled in an ice bath to a temperature below 5 °C. The sodium nitrite solution was slowly added to the slurry and the temperature was maintained at 5°C for 1 h. The diazonium salt solution was obtained by filtration and transferred to a 2000 ml beaker. Another 250 ml beaker was taken and 200 ml of concentrated hydrochloric acid and stannous chloride dihydrate (188 g) were added and stirred to dissolve. The hydrochloric acid solution of stannous chloride dihydrate was slowly added to the diazonium salt solution through a thermostatic funnel. The temperature was adjusted to 25°C and stirred with a mechanical stirrer for 1 h. The yellow powder was obtained by filtration. The yellow powder was added to 80°C water, stirred to dissolve and then filtered, cooled to crystallize and filtered again to obtain white needle-like crystals. The temperature of the remaining filtrate was adjusted to 50°C, concentrated by rotary evaporation, and cooled to obtain white powder. Combine the white needle-like crystals and white powder, wash with dilute hydrochloric acid, filter and dry to obtain white solid powder 3,4-dichlorophenylhydrazine hydrochloride (72.6 g).

References

[1] Angewandte Chemie - International Edition, 2013, vol. 52, # 47, p. 12426 - 12429
[2] Angew. Chem., 2013, vol. 125, # 47, p. 12652 - 12656,4
[3] Journal of Organic Chemistry, 2014, vol. 79, # 5, p. 2314 - 2320
[4] Patent: CN107915677, 2018, A. Location in patent: Paragraph 0013; 0014

3,4-Dichlorophenylhydrazine hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3,4-Dichlorophenylhydrazine hydrochloride manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 3,4-Dichlorophenylhydrazine hydrochloride 19763-90-7
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2024-11-28

Shaanxi Dideu New Materials Co. Ltd

Product: 3,4-Dichlorophenylhydrazine hydrochloride 19763-90-7
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-03-10

Career Henan Chemical Co

Product: 3,4-Dichlorophenylhydrazine hydrochloride 19763-90-7
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1kg,5kg,100kg
Release date: 2019-07-04

19763-90-7, 3,4-Dichlorophenylhydrazine hydrochlorideRelated Search:

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3,4-Dichlorophenylhy

Dichlorophenylhydrazine hydrochlorid

1,2-Dichloro-4-hydrazinobenzene hydrochloride

3,4-Dichlorophenylhydrazine hydrochloride SynonyMs 1-(3,4-Dichlorophenyl)hydrazine hydrochloride

3,4-DichlorophenylhydrazineHydrochloride&gt

Hydrazine, (3,4-dichlorophenyl)-, hydrochloride (1:1)

3,4-Dichlorophenylhydrazine hydrochloride ISO 9001：2015 REACH

19763-90-7

C6H7Cl2N2HCl

C6H7Cl2N2

Organic Building Blocks

Nitrogen Compounds

Hydrazines

Building Blocks

Hydrazines

Nitrogen Compounds

Organic Building Blocks

Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes

Phenylhydrazine

API intermediates