Toluene diisocyanate manufacturer Knowledge terephthalene diisocyanate 1,4-Phenylene diisocyanate

terephthalene diisocyanate 1,4-Phenylene diisocyanate

Structural formula of terephthalic diisocyanate

Structural formula

Business number 02Q4
Molecular formula C8H4N2O2
Molecular weight 160.13
label

(+)-2-(2-fluoro-4-biphenyl)-propionic acid,

terephthalic diisocyanate,

1,4-phenyl diisocyanate,

1-propylpiperazine dihydrobromide,

p-phenylene diisocyanate,

1,4-phenylene isocyanate,

Benzene 1,4-diisocyanate,

1,4-Phenylene diisocyanate,

1,4-Benzenediisocyanate,

1,4-Diisocyanato-benzen,

1,4-Diisocyanatobenzene,

1,4-Diisocyanato-Benzene,

Benzene,1,4-diisocyanato-,

Isocyanic acid, p-phenylene ester

Numbering system

CAS number:104-49-4

MDL number:MFCD00002025

EINECS number:203-207-6

RTECS number:CZ6150000

BRN number:None

PubChem number:24855867

Physical property data

1. Characteristics: Undetermined

2. Density (g/mL, 20℃): Undetermined

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

4. Melting point (ºC): 96-99

5. Boiling point (ºC, normal pressure): 260

6. Boiling point ( ºC, kPa): Not determined

7. Refractive index: Not determined

8. Flash point (ºC): >110

9. Specific rotation (º): Not determined

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

11. Vapor pressure (mmHg, 20ºC): <0.01

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) partition coefficient: Undetermined

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

18. Explosion lower limit (%, V/V): Undetermined

19. Solubility: Undetermined

Toxicological data

1. Skin/eye irritation: Standard Dresser test: rabbit skin contact, 500mgREACTION SEVERITY, strong reaction; 2. Acute toxicity: rat inhalation LCLo: 335mg/m3/24H; 3. Other multi-dose toxicity: rat inhalation TCLo: 77100μg/kg/7H/5D-I;Mouse inhaled TCLo: 77100μg/kg/7H/5D-I; Cat inhaled TCLo: 77100μg/kg/7H/5D-I; Rabbit inhaled TCLo: 77100μg/kg/7H/5D-I; Guinea pig inhalation TCLo: 77100μg/kg /7H/5D-I;

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 44.67

2. Molar volume (cm3/mol): 136.7

3. Isotonic specific volume (90.2K ): 359.2

4. Surface tension (dyne/cm): 47.6

5. Dielectric constant:

6. Dipole moment (10-24cm3):

7. Polarizability: 17.71

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 3.5

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 58.9

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 205

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

None yet

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.chemicalchem.com/archives/25044

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