Polyether_Polyether Polyol Knowledge 2,4,4-Trimethyl-2-pentanol

2,4,4-Trimethyl-2-pentanol

2,4,4-Trimethyl-2-pentanol structural formula

Structural formula

Business number 079E
Molecular formula C8H18O
Molecular weight 130.23
label

2-Hydroxy-2,4,4-trimethylpentane,

aliphatic compounds

Numbering system

CAS number:690-37-9

MDL number:MFCD00101611

EINECS number:None

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Properties: colorless and transparent liquid.

2. Density (g/mL, 25/4℃): 0.819

3. Relative density (20℃, 4℃): 0.823

4 . Melting point (ºC): Undetermined

5. Boiling point (ºC, normal pressure): 164.4

6. Refractive index at room temperature (n25): 1.426

7. Refractive index at room temperature (n20): 1.428

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Not determined

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

11. Vapor pressure (kPa, 25ºC): Not determined Determined

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

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

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

19. Dissolution Sex: Undetermined.

Toxicological data

None

Ecological data

Generally not hazardous to water, do not discharge material into the surrounding environment without government permission.

Molecular structure data

1. Molar refractive index: 40.57

2. Molar volume (cm3/mol): 158.1

3. Isotonic specific volume (90.2K ): 357.3

4. Surface tension (dyne/cm): 26.0

5. Dielectric constant:

6. Dipole moment (10-24cm3):

7. Polarizability: 16.08

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.2

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 20.2

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 87.2

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters�:0

12. Uncertain number of stereocenters of atoms: 0

13. Determined number of stereocenters of chemical bonds: 0

14. Uncertain chemical bonds Number of stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Keep away from oxides.

Storage method

Store in an airtight container in a cool, dry place. Store away from oxidizing agents. Avoid sources of fire.

Synthesis method

None

Purpose

None

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/20396

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