2,5-Dichloro-1,4-benzenedicarboxylic acid
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2,5-Dichloro-1,4-benzenedicarboxylic acid
structure -
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CAS No:
13799-90-1
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Formula:
C8H4Cl2O4
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Chemical Name:
2,5-Dichloro-1,4-benzenedicarboxylic acid
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Synonyms:
1,4-Benzenedicarboxylic acid,2,5-dichloro-;Terephthalic acid,2,5-dichloro-;2,5-Dichloro-1,4-benzenedicarboxylic acid;2,5-Dichloroterephthalic acid;NSC 59392;2,5-Dichloro-4-carboxybenzoic acid
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CAS No:
2,5-Dichloro-1,4-benzenedicarboxylic acid Basic Attributes
235.02
235.02
237-454-6
59392
DTXSID3074733
29173619
Characteristics
74.6
2.2
White Powder
1.5801 (rough estimate)
306 °C
335.73°C (rough estimate)
199.3±28.7 °C
1.4800 (estimate)
2.57E-07mmHg at 25°C
Safety Information
36/37/38
26-36/37/39
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 40 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
2,5-Dichloro-1,4-benzenedicarboxylic acid Use and Manufacturing
Preparation of Nanopigment Red 122 (Method of Making II)Synthesis of dichloro terephthalic acid; In a 250 mL round bottom flask were introduced 5 g (0.028 mol) 2, 5-dichloro-p-xylene, 26 g (0.165 mol) potassium permanganate, 80 mL pyridine and 20 mL deionized water. The mixture was heated to 100° C. with stirring for 12 hours. The brown manganese oxide was filtered while the suspension was still hot, and the brown solid reslurried twice with 100 mL deionized water. The liquids were combined and the solvents removed in vacuum. The yellowish syrupy liquid obtained was acidified with hydrochloric acid to a pH of 1. The white solid was filtered using a glass frit and dried in a vacuum oven at 50° C. overnight. Yield: 53-87percent.Synthesis of 2, 5-di-(p-toluidino)-terephthalic acids; In a 3 neck round bottom flask fitted with Argon inlet and magnetic stirring were charged; p-toluidine 23.19 g (0.216 mol), 2, 5-dichloro-terephthalic acid 3.6 g (0.014 mol), anhydrous K
As an organic synthesis intermediate. Used for synthesizing herbicides Bean Kewei and Dicao
1,4-Benzenedicarboxylic acid, 2,5-dichloro-: INACTIVE|PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.
Computed Properties
Molecular Weight:235.02
XLogP3:2.2
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:2
Exact Mass:233.9486640
Monoisotopic Mass:233.9486640
Topological Polar Surface Area:74.6
Heavy Atom Count:14
Complexity:230
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2,5-Dichloro-1,4-benzenedicarboxylic acid
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