structural formula

business number	01h4
molecular formula	c14h8cl4
molecular weight	318.03
label	4,4′-dde, 2,2-bis(p-chlorophenyl)-1-chloroethylene, 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene, 1,1′-(dichlorovinylidene)bis(4-chlorobenzene), 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene, 1,1-dichloro-2,2-bis(4-chorophenyl)ethylene, (clc6h4)2c=ccl2, organochlorine pesticides

• numbering system
• physical property data
• toxicological data
• ecological data
• molecular structure data
• computing chemical data
• more
  • properties and stability
  • storage method
  • synthesis method
  • purpose

numbering system

cas number:72-55-9

mdl number:mfcd00003284

einecs number:200-679-5

rtecs number:kv9450000

brn number:1913355

pubchem number:24847587

physical property data

1. character: white crystal

2. density (g/ml, 25/4℃): uncertain

3. relative vapor density (g/ml, air =1): uncertain

4. melting point (ºc): 88-90

5. boiling point (ºc, normal pressure): uncertain

6 . boiling point (ºc1.01kpa): 316.5

7. refractive index: uncertain

8. flash point (ºc): 11

9. specific rotation degree (º): uncertain

10. autoignition point or ignition temperature (ºc): uncertain

11. vapor pressure (kpa, 25 ºc): uncertain

p>

12. saturated vapor pressure (kpa, 60 ºc): uncertain

13. heat of combustion (kj/mol): uncertain

14. critical temperature ( ºc): uncertain

15. critical pressure (kpa): uncertain

16. log value of oil-water (octanol/water) partition coefficient: uncertain

17. explosion upper limit (%, v/v): uncertain

18. explosion lower limit (%, v/v): uncertain

19. solubility: soluble in most organic solvents

toxicological data

none

ecological data

none

molecular structure data

1. molar refractive index: 79.88

2. molar volume (cm³/mol): 226.8

3. isotonic specific volume (90.2k ): 589.8

4. surface tension (dyne/cm): 45.7

5. polarizability (10^-24cm³): 31.66

compute chemical data

1. hydrophobic parameter calculation reference value (xlogp): none

2. number of hydrogen bond donors: 0

3. number of hydrogen bond acceptors: 0

4. number of rotatable chemical bonds: 2

5. number of tautomers: none

6. topological molecule polar surface area 0

7. number of heavy atoms: 18

8. surface charge :0

9. complexity: 269

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12. uncertain number of atomic stereocenters: 0

13. determined number of chemical bond stereocenters: 0

14. uncertain number of chemical bond stereocenters: 0

15. number of covalent bond units: 1

properties and stability

none

storage method

this product should be sealed, cool, dry and protected from light.

synthesis method

none

purpose

organic synthesis. pesticide residue analysis standards.

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