Toluene diisocyanate manufacturer Knowledge p,p’-Didiyi p,p’-DDE

p,p’-Didiyi p,p’-DDE

p,p'-Didiyi structural formula

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

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

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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.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/21639

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