Dichlorodiphenyltrichloroethane

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DDT
Chemical structur o DDT
DDT-from-xtal-3D-balls.png
DDT-from-xtal-3D-vdW.png
Names
Preferred IUPAC name
1,1'-(2,2,2-Trichloroethane-1,1-diyl)bis(4-chlorobenzene)
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.023
KEGG
UNII
Properties
C14H9Cl5
Molar mass 354.48 g·mol−1
Density 0.99 g/cm3
Meltin pynt 108.5 °C (227.3 °F; 381.6 K)
Bylin pynt 260 °C (500 °F; 533 K) (decompones)
25 μg/L (25 °C)[1]
Hazards
Main hazards Toxic, dangerous tae the environment, likely carcinogenic
EU clessification Toxic T Dangerous for the Environment (Naitur) N
R-phrases R25 R40 R48/25 R50/53
S-phrases (S1/2) S22 S36/37 S45 S60 S61
NFPA 704
Flammability code 2: Must be moderately heatit or exposed tae relatively heich ambient temperature before igneetion can occur. Flash pynt atween 38 an 93 °C (100 an 200 °F). E.g., diesel fuelHealth code 2: Intense or continued but nae chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 0: Normally stable, even unner fire exposur condeetions, an is nae reactive wi watter. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
2
2
0
Flash pynt 72–77 °C; 162–171 °F; 345–350 K [3]
Lethal dose or concentration (LD, LC):
113–800 mg/kg (rat, oral)[1]
250 mg/kg (rabbit, oral)
135 mg/kg (mouse, oral)
150 mg/kg (guinea pig, oral)[2]
US heal exposur leemits (NIOSH):[4]
PEL (Permissible)
TWA 1 mg/m3 [skin]
REL (Recommendit)
Ca TWA 0.5 mg/m3
IDLH (Immediate danger)
500 mg/m3
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
N verify (whit is YesYN ?)
Infobox references

Dichlorodiphenyltrichloroethane (DDT) is a colourless, crystalline, tasteless, an awmaist odourless organochlorine kent for its insecticidal properties an environmental impacts.

References[eedit | eedit soorce]