Polyether_Polyether Polyol Knowledge 2-ethyl-2-n-butyl-1,3-propanediol

2-ethyl-2-n-butyl-1,3-propanediol

2-ethyl-2-n-butyl-1,3-propanediol structural formula

Structural formula

Business number 0389
Molecular formula C9H20O2
Molecular weight 160.25
label

flame retardant,

alcohol solvent

Numbering system

CAS number:115-84-4

MDL number:MFCD00004697

EINECS number:204-111-7

RTECS number:TY3605000

BRN number:1737392

PubChem number:24848527

Physical property data

1. Properties: Undetermined

2. Density (g/mL, 20℃): 0.93

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

4. Melting point (ºC): 43.8

5. Boiling point (ºC, normal pressure): 262, 178ºC (6665pa)

6. Boiling point (ºC, 50mmHg): 178

7. sub>: 1.4587

8. Flash point (ºC): >110

9. Specific rotation (º): Undetermined

10. Autoignition point Or ignition temperature (ºC): not determined

11. Vapor pressure (mmHg, ºC): not determined

12. Saturated vapor pressure (kPa, ºC): not determined

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. The lower explosion limit (%, V/V) has not been determined:

19. Solubility: has not been determined

Toxicological data

1. Acute toxicity: Rat oral LD5O: 5040mg/kg

Rabbit transdermal LD5O: 3810mg/kg

Ecological data

None

Molecular structure data

5. Molecular property data:

1. Molar refractive index: 46.78

2. Molar volume (cm3/mol): 172.1

3. Isotonic specific volume (90.2K): 418.7

4. Surface tension (dyne/cm): 35.0

5. Polarizability (10-24cm3): 18.54

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 1.8

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 40.5

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 87.6

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine ��Number of stereocenters of chemical bonds: 0

14. Number of stereocenters of uncertain chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

1. Exist in smoke.

Storage method

None

Synthesis method

None

Purpose

Additive flame retardant, mainly used in PBT and ABS/PC polymer alloys, has better melt flow rate and higher flame retardant efficiency

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/17953

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