17254-80-7

• 

• Basic information

  1. Product Name: chloridazon-methyl-desphenyl
  2. Synonyms: chloridazon-methyl-desphenyl;3(2H)-Pyridazinone, 5-amino-4-chloro-2-methyl-;5-Amino-4-chloro-2-methyl-3(2H)-pyridazinone;5-amino-4-chloro-2-methylpyridazin-3-one
  3. CAS NO:17254-80-7
  4. Molecular Formula: C₅H₆ClN₃O
  5. Molecular Weight: 159.575
  6. EINECS: N/A
  7. Product Categories: N/A
  8. Mol File: 17254-80-7.mol
  9. Article Data: 4

• Chemical Properties

  1. Melting Point: 203-205 °C
  2. Boiling Point: 202.9°C at 760 mmHg
  3. Flash Point: 76.5°C
  4. Appearance: /
  5. Density: 1.55g/cm³
  6. Vapor Pressure: 0.286mmHg at 25°C
  7. Refractive Index: 1.647
  8. Storage Temp.: N/A
  9. Solubility: N/A
  10. PKA: 0.47±0.20(Predicted)
  11. CAS DataBase Reference: chloridazon-methyl-desphenyl(CAS DataBase Reference)
  12. NIST Chemistry Reference: chloridazon-methyl-desphenyl(17254-80-7)
  13. EPA Substance Registry System: chloridazon-methyl-desphenyl(17254-80-7)

• 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: 17254-80-7(Hazardous Substances Data)

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• SDS
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• Article

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17254-80-7 Usage

General Description

Chloridazon-methyl-desphenyl is a compound that is an impurity of the herbicide chloridazon, which is used to control pre-and post-emergent broadleaf weeds in a variety of crops. It is formed during the production of chloridazon and can also be found in the environment as a degradation product. chloridazon-methyl-desphenyl is considered to be potentially harmful to human health and the environment, with studies indicating that it may be carcinogenic and have negative effects on aquatic organisms. As a result, efforts are being made to reduce its presence in the environment and limit exposure to this chemical.

Check Digit Verification of cas no

The CAS Registry Mumber 17254-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,2,5 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17254-80:
(7*1)+(6*7)+(5*2)+(4*5)+(3*4)+(2*8)+(1*0)=107
107 % 10 = 7
So 17254-80-7 is a valid CAS Registry Number.

InChI:InChI=1/C5H6ClN3O/c1-9-5(10)4(6)3(7)2-8-9/h2H,7H2,1H3

17254-80-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	5-Amino-4-chloro-2-methyl-3(2H)-pyridazinone

1.2 Other means of identification

Product number	-
Other names	2-fluoro-4-chloro-5-amino-benzoic acid hydrochloride

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:17254-80-7 SDS

17254-80-7Upstream product

• 933-76-6 4,5-dichloro-2-methyl-3(2H)-pyridazinone 
• 6339-19-1 5-amino-4-chloropyridazin-3(2H)-one 
• 18107-18-1 diazomethyl-trimethyl-silane 
• 4043-74-7 5-azido-4-chloro-2-methylpyridazin-3(2H)-one 

17254-80-7Downstream Products

• 52112-88-6 6-methyl-2-thioxo-2,3-dihydro-6H-thiazolo[4,5-d]pyridazin-7-one 
• 1217902-96-9 5-[(5-chloro-1-methyl-6-oxo-1,6-dihydropyridazin-4-ylamino)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione 
• 52112-92-2 3,6-dimethyl-3H,6H-thiazolo[4,5-d]pyridazine-2,7-dione 2-hydrazone 
• 52112-90-0 2-hydrazino-6-methyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 52112-89-7 6-methyl-2-methylsulfanyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 143703-08-6 2-aminothiazolo<4,5-d>pyridazin-4(5H)-one 
• 136353-40-7 2-(3,4-Dimethyl-phenylamino)-6-methyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 136353-39-4 2-(2-Chloro-phenylamino)-6-methyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 136353-38-3 2-(4-Chloro-phenylamino)-6-methyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 136353-36-1 2-Anilino-6-methylthiazolo<4,5-d>pyridazin-7(6H)-one 
• 136353-37-2 2-(4-Ethoxy-phenylamino)-6-methyl-6H-thiazolo[4,5-d]pyridazin-7-one 
• 136353-56-5 6-Methyl-3-phenylthiazolo<4,5-d>pyridazine-2,7(6H)-dione 
• 136353-35-0 6-Methyl-3-phenyl-2-phenyliminothiazolo<4,5-d>pyridazin-7(6H)-one 

17254-80-7Relevant articles and documents

13C- and 15N-Isotope Analysis of Desphenylchloridazon by Liquid Chromatography-Isotope-Ratio Mass Spectrometry and Derivatization Gas Chromatography-Isotope-Ratio Mass Spectrometry

Melsbach, Aileen,Ponsin, Violaine,Torrentó, Clara,Lihl, Christina,Hofstetter, Thomas B.,Hunkeler, Daniel,Elsner, Martin

, p. 3412 - 3420 (2019/03/02)

The widespread application of herbicides impacts surface water and groundwater. Metabolites (e.g., desphenylchloridazon from chloridazon) may be persistent and even more polar than the parent herbicide, which increases the risk of groundwater contamination. When parent herbicides are still applied, metabolites are constantly formed and may also be degraded. Evaluating their degradation on the basis of concentration measurements is, therefore, difficult. This study presents compound-specific stable-isotope analysis (CSIA) of nitrogen- and carbon-isotope ratios at natural abundances as an alternative analytical approach to track the origin, formation, and degradation of desphenylchloridazon (DPC), the major degradation product of the herbicide chloridazon. Methods were developed and validated for carbon- and nitrogen-isotope analysis (δ13C and δ15N) of DPC by liquid chromatography-isotope-ratio mass spectrometry (LC-IRMS) and derivatization gas chromatography-IRMS (GC-IRMS), respectively. Injecting standards directly onto an Atlantis LC-column resulted in reproducible δ13C-isotope analysis (standard deviation 15N analysis with a standard deviation of 100 ng of DPC with 160-fold excess of (trimethylsilyl)diazomethane. Application of the method to environmental-seepage water indicated that newly formed DPC could be distinguished from "old" DPC by the different isotopic signatures of the two DPC sources.

A Novel Synthesis of 2-Arylaminothiazolopyridazinones

Yamasaki, Tetsuo,Kawaminami, Eiji,Uchimura, Fumi,Okawara, Tadashi,Furukawa, Mitsuru

, p. 859 - 865 (2007/10/02)

The reaction of 5(4)-amino-4(5)-chloropyridazin-3(2H)-ones 1 (9) with methyl dithiocarbamates 2 gave 2-arylaminothiazolopyridazinones 3 (10).Treatment of 5(4)-alkylamino-4(5)-chloropyridazin-3(2H)-ones 5 (12) with 2 afforded the corresponding 2-aryliminothiazolopyridazinones 6 (13).Cyclization of 1a with phenylisothiocyanate produced 2-amino- and 2-iminothiazolopyridazinones 3a and 16.

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