2,5-di-t-pentylhydroquinone 2,5-di-t-pentylhydroquinone

structural formula

• 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:79-74-3

mdl number:none

einecs number:201-222-2

rtecs number:mx6300000

brn number:none

pubchem id:none

physical property data

1. characteristics: white or light beige powder.

2. density ( g/ml,25/4℃): undetermined

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

4. melting point ( ºc): undetermined

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

6. boiling point ( ºc,5.2kpa): undetermined

7. refractive index: undetermined

8. flashpoint (ºc): undetermined

9. specific optical rotation (º): undetermined

10. autoignition point or ignition temperature (ºc): not ok

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

12. saturation vapor pressure (kpa,60ºc): undetermined

13. <span style="font-size: 9pt; font -family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family��（%,v/v): undetermined

19. solubility:soluble in ethyl acetate, insoluble in petroleum ether.

toxicological data

1, acute toxicity

rat caliber ld50: 2mg/kg;

mouse caliber ld50: >3200mg/kg; mouse abdominal cavity ld50 : 200mg/kg;

rabbit caliber ld50: 2mg/kg;

ecological data

none yet

molecular structure data

1. molar refractive index:76.05

2. molar volume (m³/mol）：252.6

3. isotonic specific volume (90.2k):612.9

4. surface tension (dyne/cm):34.6

5. polarizability（10^-24cm³):30.15

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 5.6

2. number of hydrogen bond donors: 2

3. number of hydrogen bond acceptors: 2

4. number of rotatable chemical bonds: 4

5. number of tautomers: 4

6. topological molecule polar surface area 40.5

7. number of heavy atoms: 18

8. surface charge: 0

9. complexity: 242

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 yet

storage method

this product should be sealed and stored in a cool, dry place.

synthesis method

none yet

purpose

used for prevent interlayer contamination of color photographic materials.  

t-family: arial; mso-bidi-font-family: arial”>): 252.6

3. isotonic specific volume (90.2k):612.9

4. surface tension (dyne/cm):34.6

5. polarizability（10^-24cm³):30.15

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 5.6

2. number of hydrogen bond donors: 2

3. number of hydrogen bond acceptors: 2

4. number of rotatable chemical bonds: 4

5. number of tautomers: 4

6. topological molecule polar surface area 40.5

7. number of heavy atoms: 18

8. surface charge: 0

9. complexity: 242

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 yet

storage method

this product should be sealed and stored in a cool, dry place.

synthesis method

none yet

purpose

used for prevent interlayer contamination of color photographic materials.