naphthalene-1,4,5,8-tetracarboxylic acid dianhydride naphthalene-1,4,5,8-tetracarboxylic acid dianhydride

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:81-30-1

mdl number:mfcd00006915

einecs number:201-342-5

rtecs number:qk3695000

brn number:272788

pubchem number:24886007

physical property data

1. character:light yellow powder

2. density (g/ml,25/4℃): unsure

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

4. melting point (ºc):220~221℃

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

6. boiling point (ºc,5.2kpa): unsure

7. refractive index: uncertain

8. flash point (ºc): unsure

9. specific optical rotation (º): unsure

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

11. vapor pressure (kpa,25ºc): unsure

12. <span style="font-size: 9pt; font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: arial; mso-hansi-font-family : arial; mso, molar volume (m³/mol):149.8

3. isotonic specific volume (90.2k):465.7

4. surface tension (dyne/cm):93.4

5. polarizability（10^-24cm³):24.95

compute chemical data

1. reference value for hydrophobic parameter calculation (xlogp): 1.9

2. number of hydrogen bond donors: 0

3. number of hydrogen bond acceptors: 6

4. number of rotatable chemical bonds: 0

5. number of tautomers: none

6. topological molecule polar surface area 86.7

7. number of heavy atoms: 20

8. surface charge: 0

9. complexity: 446

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 dry and dark place.

1,4,5,8-naphthalic anhydride(1,4,5,8-naphthalene tetracarboxylic dianhydride)should be stored in a cool, dark place dry environment to prevent moisture.

synthesis method

none yet

purpose

used in organic synthesis.

1,4,5,8-naphthalic anhydride(1,4,5,8-naphthalene tetracarboxylic dianhydride)belongs to high-grade dyes and pigments intermediate, mainly used in the synthesis of high-temperature resistant polymer materials, such as the production of polyimide resin.

: arial; mso-hansi-font-family: arial; mso-bidi-font-family: arial”>naphthalene tetracarboxylic dianhydride)should be stored in a cool, dry environment to prevent moisture.

synthesis method

none yet

purpose

used in organic synthesis.

1,4,5,8-naphthalic anhydride(1,4,5,8-naphthalene tetracarboxylic dianhydride)belongs to high-grade dyes and pigments intermediate, mainly used in the synthesis of high-temperature resistant polymer materials, such as the production of polyimide resin.