Toluene diisocyanate manufacturer Knowledge 4,4′-diisocyanate-3,3′-dimethylbiphenyl

4,4′-diisocyanate-3,3′-dimethylbiphenyl

4,4'-diisocyanate-3,3'-dimethylbiphenyl structural formula

Structural formula

Business number 0248
Molecular formula C16H12N2O2
Molecular weight 264.28
label

Dimethylbiphenyl diisocyanate,

o-Toluene diisocyanate,

3,3′-Dimethylbiphenyl-4,4′-diyl diisocyanate,

3,3′-Dimethyl-4,4′-biphenylene diisocyanate

Numbering system

CAS number:91-97-4

MDL number:None

EINECS number:202-112-7

RTECS number:DV3960000

BRN number:None

PubChem ID:None

Physical property data

1. Properties: White solid particles at room temperature

2. Density (g/mL, 25/4℃): 1.197

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

4. Melting point (ºC): 70-72

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

6. Boiling point (ºC, 0.667kpa): 195-197

7. Refractive index: Undetermined

8. Flash point (ºC): 218

9. Specific optical rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (kPa, 25ºC ): Undetermined

12. Saturated vapor pressure (kPa, 60ºC): 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 Determined

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

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

19. Solubility: Not determined.

Toxicological data

None yet

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 78.62

2. Molar volume (cm3/mol): 235.4

3. Isotonic specific volume (90.2K ): 598.3

4. Surface tension (dyne/cm): 41.7

5. Polarizability (10-24cm3): 31.17

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 5.9

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 58.9

7.Chongyuan��Number: 20

8. Surface charge: 0

9. Complexity: 384

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

Keep away from fire and heat sources, seal and store in a cool, dry environment, away from moisture.

Synthesis method

None yet

Purpose

Pharmaceutical and pesticide intermediates.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/47389

author:

Previous article
Next article
Contact Us

Contact us

+86 - 152 2121 6908

Online consultation: QQ交谈

E-mail: sales@newtopchem.com

Working hours: Monday to Friday, 9:00-17:30, closed on holidays
Follow wechat
Scan wechat and follow us

Scan wechat and follow us

Back to top
Home
E-mail
Products
Search