Toluene diisocyanate manufacturer Knowledge 4,4′-Stilbenedicarboxylic Acid 4,4′-Stilbenedicarboxylic Acid

4,4′-Stilbenedicarboxylic Acid 4,4′-Stilbenedicarboxylic Acid

4,4'-stilbenedicarboxylic acid structural formula

Structural formula

Business number 02HN
Molecular formula C16H12O4
Molecular weight 268.26
label

4,4′-pyrenedicarboxylic acid,

4,4′-Stilbenedicarboxylic acid,

4,4′-Bisstyryldicarboxylic acid,

4,4′-Stilbenedicarboxylic acid,

Timtec-bb sbb007944,

Trans-4,4′-stilbene-4,4′-dicarboxylic acid,

4,4-Stilbenedicaroxylic acid,

4,4′-Stibenedicarboxylic acid,

Trans-4,4′-stibene-4,4′-dicarboxylic acid,

4,4′-Stilbenedicarboxylic acid, 95+%,

4,4” Silbene Dicarboxy

Numbering system

CAS number:100-31-2

MDL number:MFCD00013994

EINECS number:202-838-4

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Properties: white powder.

2. Density (g/mL, 20℃): Undetermined

3. Relative vapor density (g/mL, air=1): Undetermined

4. Melting point (ºC): >300

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 3mmHg): Undetermined

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7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Not determined

11. Vapor pressure (mmHg, 20ºC): Not determined

12. Saturated vapor pressure ( kPa, ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) distribution coefficient: Undetermined

17. Explosion upper limit (%, V/ V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Undetermined

Toxicological data

None yet

Ecological data

This substance is slightly hazardous to water.

Molecular structure data

1. Molar refractive index: 77.50

2. Molar volume (cm3/mol): 197.6

3. Isotonic specific volume (90.2K ): 566.2

4. Surface tension (dyne/cm): 67.2

5. Dielectric constant:

6. Dipole moment (10-24cm3):

7. Polarizability: 30.72

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 3.2

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 4

5. Number of tautomers:

6. Topological molecular polar surface area (TPSA): 74.6

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 336

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 Number: 1

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with strong oxidizing agents.

Storage method

Store in a cool, ventilated warehouse. Keep away from fire and heat sources. The packaging is sealed. should be kept away from oxidizer, do not store together. Equipped with the appropriate variety and quantity of fire equipment. Suitable materials should be available in the storage area to contain spills.

Synthesis method

None yet

Purpose

None yet

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/41764

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