4,4'-DDE
4,4'-滴滴伊
Also known as: p,p'-DDE, 1,1-dichloro-2,2-bis(4-chlorophenyl)ethene, 2,2-bis(4-chlorophenyl)-1,1-dichloroethylene, 2,2-bis(p-chlorophenyl)-1,1-dichloroethylene, 2,2-bis(p-chlorophenyl)-1-chloroethene, 1,1-bis(4-chlorophenyl)-2,2-dichloroethylene, 1,1-bis(p-chlorophenyl)-2,2-dichloroethylene, dichlorodiphenyldichloroethylene, para,para'-DDE, p,p'-dichlorodiphenyldichloroethylene
- CAS No.
- 72-55-9
- Jingsj CID
- J-26710-6
- Molecular Formula
- C14H8Cl4
- Chinese Name
- 4,4'-滴滴伊
- Molecular Weight
- 318.025 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 88-90 °C(lit.) |
|---|---|
| Boiling Point | 383.1±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 183.7±23.9 °C |
GHS Safety & Compliance
Flammable / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of 4,4'-DDE?
72-55-9
What are the molecular formula and molecular weight of 4,4'-DDE?
C14H8Cl4, molecular weight 318.025 g/mol
Is 4,4'-DDE hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026