1,1-二氯-2,2-双(4-乙基苯基)乙烷

Description

1,1-dichloro-2,2-bis(4-ethylphenyl)ethane · CAS 72-56-0 · C18H20Cl2. UNII L0Q9DRK4W8. Melting Point: 56 °C; Solubility: In water, 0.1 mg/L @ 24 °C; Vapor Pressure: 0.00000399 [mmHg].

Identification

CAS Registry Number	72-56-0
PubChem CID	6295
Molecular formula	C18H20Cl2
IUPAC name	1-[2,2-dichloro-1-(4-ethylphenyl)ethyl]-4-ethylbenzene
UNII (FDA)	L0Q9DRK4W8

Computed Descriptors

Molecular Weight	307.3
XLogP3	6.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	5
Exact Mass	306.0942060
Monoisotopic Mass	306.0942060
Topological Polar Surface Area	0
Heavy Atom Count	20
Formal Charge	0

Physical & Chemical Properties

Melting Point	56 °C
Solubility	In water, 0.1 mg/L @ 24 °C
Vapor Pressure	0.00000399 [mmHg]

Physical description & handling notes

• Crystals when pure. Technical grade a light yellow waxy solid. (NTP, 1992)
• Solid; [HSDB] Technical product is light yellow solid; [CAMEO]
• CRYSTALS FROM ETHANOL
• Crystalline solid
• Decomposes (NTP, 1992)
• decomposes on distillation

Regulatory Status

GHS notification summary	7.1% (3 / 42)

GHS Hazard Classification

GHS notification summary	7.1% (3 / 42)
Reported hazard statements	H400 (92.9%), H410 (92.9%)

Documented Uses

• Used as insecticide for vegetables; Also used to control moths and carpet beetles in the textile and dry-cleaning industries; [HSDB]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Insecticidal control of pear psylla and of leaf-hoppers and larvae on vegetables; used to control moths and carpet beetles in the textile and dry-cleaning industries. /Former Use/
• Condensation /of dichloroacetaldehyde/ with ethylbenzene.
• Essentially 100% as an insecticide for vegetables
• (1975) 9.08X10+7 GRAMS (CONSUMPTION)

Synonyms

PERTHANE; 72-56-0; Ethylan; Di(p-ethylphenyl)dichloroethane; Ethyl-DDD; p,p-Ethyl DDD; p,p'-Ethyl DDD; 1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane; Diethyl-diphenyl dichloroethane; NCI-C02868; Ethane, 1,1-dichloro-2,2-bis(p-ethylphenyl)-; Q-137; 1,1-Bis(p-ethylphenyl)-2,2-dichloroethane; 2,2-Bis(p-ethylphenyl)-1,1-dichloroethane; 2,2-Dichloro-1,1-bis(p-ethylphenyl)ethane; L0Q9DRK4W8

Frequently Asked Questions

What are the CAS number and molecular formula of 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane?

CAS 72-56-0; molecular formula C18H20Cl2; molecular weight — g/mol.

What other names is 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane known by?

PERTHANE, 72-56-0, Ethylan, Di(p-ethylphenyl)dichloroethane, Ethyl-DDD, p,p-Ethyl DDD.

Is 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane classified as hazardous?

7.1% of GHS notifications report no hazard classification (3 of 42).

What are the key physical properties of 1,1-dichloro-2,2-bis(4-ethylphenyl)ethane?

Melting Point: 56 °C; Solubility: In water, 0.1 mg/L @ 24 °C; Vapor Pressure: 0.00000399 [mmHg].

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.