Naphthalene-1,4,5,8-tetracarboxylic acid dianhydride Naphthalene-1,4,5,8-tetracarboxylic acid dianhydride
Structural formula
| Business number | 01S2 |
|---|---|
| Molecular formula | C14H4O6 |
| Molecular weight | 268.18 |
| label |
NTCDA, 1,4,5,8-Naphthalenetetracarboxylic dianhydride |
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.