structural formula

business number	01h5
molecular formula	c18h20cl2
molecular weight	307.26
label	ethylan, b didi, 1,1-dichloro-2,2-bis(p-ethylphenyl)ethane, 1,1-dichloro-2,2-bis(p-ethylphenyl)ethane, 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:72-56-0

mdl number:mfcd00045254

einecs number:200-785-1

rtecs number:kh5790000

brn number:2054366

pubchem number:24869130

physical property data

toxicological data

acute toxicity: rat oral ld50: 6600 mg/kg; rat intravenous ld50 ：73 mg/kg；

mouse oral ld50: 6600 mg/kg; mouse veinld50: 173 mg/kg; wild bird oral scriptureld50: 9 mg/kg;
tumorogenic: miceoral sutratdlo：210 gm/kg/2y-c;mouse oral passagetd：547 gm/kg/2y-c;
reproduction: mouse subcutaneous injectiontdlo ：900 mg/kgsex/duration: female 6-14 day(s) after conception;
mutagenic:salmonellagene mutation microbial testing system：333 ug/plate;

ecological data

none

molecular structure data

1. molar refractive index:88.95

2. molar volume (m³/mol）：274.8

3. isotonic specific volume (90.2k): 684.2

4. surface tension (dyne/cm):38.3

5. polarizability（10^-24cm³):35.26

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 6.6

2. number of hydrogen bond donors: 0

3. number of hydrogen bond acceptors: 0

4. number of rotatable chemical bonds: 5

5. number of tautomers: none

6. topological molecule polar surface area 0

7. number of heavy atoms: 20

8. surface charge: 0

9. complexity: 237

10. number of isotope atoms: 0

11. determine the number of atomic stereocenters: 0

12. uncertain number of atomic stereocenters: 0

13. determine the number of chemical bond stereocenters: 0

14. number of uncertain chemical bond stereocenters: 0

15. number of covalent bond units: 1

properties and stability

none

storage method

none

synthesis method

none

purpose

none

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