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2,6-Dichloroquinoxaline

2,6-Dichloroquinoxaline structure

CAS No:
18671-97-1
Formula:
C8H4Cl2N2
Chemical Name:
2,6-Dichloroquinoxaline
Synonyms:
Quinoxaline,2,6-dichloro-;2,6-Dichloroquinoxaline
Categories:
Agrochemicals > Pesticide Intermediates

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2,6-Dichloroquinoxaline Basic Attributes

Molecular Weight：

199.04

Exact Mass：

199.04

DSSTox ID：

DTXSID3066398

HScode：

2933990090

Characteristics

PSA：

25.8

XLogP3：

2.9

Appearance：

Pale yellow to grey crystalline particle

Density：

1.5±0.1 g/cm3

Melting Point：

159-160 °C

Boiling Point：

278.6°C at 760 mmHg

Flash Point：

149.1±11.5 °C

Refractive Index：

1.671

Vapor Pressure：

0.00711mmHg at 25°C

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

25-38-41-37/38-22

safety instructions：

36/37/39-45-39-26

Marks：

T,Xn

Precautionary statement(s)：

P261-P280-P305 + P351 + P338

Hazard Statements：

H302-H315-H318-H335

GHS Classification：

|Danger|H302 (69.09%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P272, P273, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P310, P312, P321, P330, P332+P313, P333+P313, P337+P313, P362, P363, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 55 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

2,6-Dichloroquinoxaline Use and Manufacturing

Methods of Manufacturing

The preparation method is to add 2-hydroxy 6-chloroquinoxaline, solvent and catalyst to the reaction kettle, heat up to 90 ℃ and add sulfoxide chloride dropwise, the tail gas sulfur dioxide and hydrogen chloride are absorbed with water and lye, and then react at 110 ℃ after the dropwise addition 1~2h, desolvation at normal pressure, take off to 2/3 of the solvent, transfer to crystallization kettle for crystallization, filter and dry to get the finished product.

Uses

Intermediate for the production of herbicides Attributes For further information please contact us Contact

Manufacturing Info：

Quinoxaline, 2,6-dichloro-: INACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Computed Properties

Molecular Weight:199.03
XLogP3:2.9
Hydrogen Bond Acceptor Count:2
Exact Mass:197.9751535
Monoisotopic Mass:197.9751535
Topological Polar Surface Area:25.8
Heavy Atom Count:12
Complexity:165
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Dimethylformamide

Thionyl chloride

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