2,2-双(4-氯苯基)-1,1-二氯乙烷

Description

2,2-Bis(4-chlorophenyl)-1,1-dichloroethane · CAS 72-54-8 · C14H10Cl4. UNII V14159DF29. Boiling Point: 379 °F at 760 mmHg (NTP, 1992); Boiling Point: 193 °C at 1 mm Hg; Melting Point: 228 to 230 °F (NTP, 1992).

Identification

CAS Registry Number	72-54-8
PubChem CID	6294
Molecular formula	C14H10Cl4
IUPAC name	1-chloro-4-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene
UNII (FDA)	V14159DF29

Computed Descriptors

Molecular Weight	320.0
XLogP3	6.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	3
Exact Mass	319.950711
Monoisotopic Mass	317.953661
Topological Polar Surface Area	0
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Boiling Point	379 °F at 760 mmHg (NTP, 1992)
Boiling Point	193 °C at 1 mm Hg
Melting Point	228 to 230 °F (NTP, 1992)
Melting Point	109-110 °C
Melting Point	109.5 °C
Solubility	In water, 0.09 mg/L at 25 °C
Density	1.476 @ 20°C
Vapor Density	11 (Air = 1)
Vapor Pressure	1e-06 mmHg at 86 °F (NTP, 1992)
Vapor Pressure	0.00000135 [mmHg]

Physical description & handling notes

• Dichlorodiphenyldichloroethane appears as a colorless crystalline solid. Insoluble in water and sinks in water. Toxic by inhalation, skin absorption or ingestion. Used as a pesticide.
• Colorless to white solid; [HSDB]
• Crystalline solid from petroleum ether
• White solid
• less than 1 mg/mL at 65.3 °F (NTP, 1992)
• Solubility in water, 0.160 mg/L at 24 °C /99% purity/

Regulatory Status

GHS notification summary	8.3% (1 / 12)

GHS Hazard Classification

GHS notification summary	8.3% (1 / 12)
Reported hazard statements	H301 (91.7%), H312 (91.7%), H351 (25%), H400 (75%), H410 (75%), H320, H350

Documented Uses

• Used as an insecticide in the U.S. in the past; [HSDB]
• Cancelled, all products containing DDD, a metabolite of DDT. Criteria of concern: Carcinogenicity, bioaccumulation, and hazard to wildlife and other chronic effects. (PR Notice 71-5 (3/18/71)).
• Dusts, emulsions, and wettable powders for contact control of leaf rollers and other insects /Former use/
• ... Does not have the broad-spectrum insecticidal activity of DDT but has equal or greater potency against larvae of some mosquitoes and lepidoptera.
• Prepared by condensing dichloroacetaldehyde with chlorobenzene
• Ethanol may be chlorinated to give 2,2-dichlorovinylethyl ether. ... This is the condensed with 2 mols of chlorobenzene to give TDE.

Synonyms

p,p'-DDD; 72-54-8; Dichlorodiphenyldichloroethane; 1,1-Bis(4-chlorophenyl)-2,2-dichloroethane; 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane; 1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane; DDD, p,p'-; 2,2-Bis(p-chlorophenyl)-1,1-dichloroethane; p,p'-Dichlorodiphenyldichloroethane; DTXSID4020373; 1,1-Bis(p-chlorophenyl)-2,2-dichloroethane; Benzene, 1,1'-(2,2-dichloroethylidene)bis[4-chloro-; NSC-8941; 1-Chloro-4-[2,2-dichloro-1-(4-chlorophenyl)ethyl]benzene; Benzene, 1,1'-(2,2-dichloroethylidene)bis(4-chloro-; 4,4'-dichlorodiphenyldichloroethane

Frequently Asked Questions

What are the CAS number and molecular formula of 2,2-Bis(4-chlorophenyl)-1,1-dichloroethane?

CAS 72-54-8; molecular formula C14H10Cl4; molecular weight — g/mol.

What other names is 2,2-Bis(4-chlorophenyl)-1,1-dichloroethane known by?

p,p'-DDD, 72-54-8, Dichlorodiphenyldichloroethane, 1,1-Bis(4-chlorophenyl)-2,2-dichloroethane, 1,1-Dichloro-2,2-bis(p-chlorophenyl)ethane, 1,1-Dichloro-2,2-bis(4-chlorophenyl)ethane.

Is 2,2-Bis(4-chlorophenyl)-1,1-dichloroethane classified as hazardous?

8.3% of GHS notifications report no hazard classification (1 of 12).

What are the key physical properties of 2,2-Bis(4-chlorophenyl)-1,1-dichloroethane?

Boiling Point: 379 °F at 760 mmHg (NTP, 1992); Boiling Point: 193 °C at 1 mm Hg; Melting Point: 228 to 230 °F (NTP, 1992); Melting Point: 109-110 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.