Toluene diisocyanate manufacturer Knowledge Butyl isovalerate Butyl isovalerate

Butyl isovalerate Butyl isovalerate

Butyl isovalerate structural formula

Structural formula

Business number 02YT
Molecular formula C9H18O2
Molecular weight 158.24
label

3-methylbutylbutyrate,

1-Butyl isovalerate,

1-Butylisovalerate,

3-Methyl-butanoic acid butylester,

3-Methylbutanoic acidbutylester,

3-Methyl-butyric acidbutylester,

Butyl 3-methylbutyrate,

Butyl3-methylbutyrate,

n-Butyl 3-methylbutanoate

Numbering system

CAS number:109-19-3

MDL number:MFCD00048775

EINECS number:203-654-7

RTECS number:NY1502000

BRN number:1702649

PubChem number:24881753

Physical property data

1. Properties: colorless to light yellow liquid with banana and blue cheese aroma.

2. Density (g/mL, 25℃): 0.858

3. Relative density (20℃, 4℃): 0.8608

4. Relative Density (25℃, 4℃): 0.861686.9

5. Boiling point (ºC, normal pressure): 175.5755

6. Refractive index at room temperature (n20): 1.4088

7. Refractive index (D20): 1.409

8. Flash point (ºC): Not determined

9. Specific rotation (ºC): Undetermined

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

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

12. Saturated vapor pressure (kPa, ℃): Not determined

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

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

p>

16. The logarithmic value of the oil-water (octanol/water) partition coefficient: Undetermined

17. The upper limit of explosion (%, V/V): Undetermined

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

19. Solubility: Insoluble in water, soluble in ethanol and most organic solvents and non-volatile oils, insoluble in propylene glycol.

Toxicological data

1. Skin/eye irritation

Standard Draize test: rabbit, skin contact: 500mg/24H, severity of reaction: mild.

1. Acute toxicity: rat oral LD50: >5mg/kg; rabbit oral LD50: 8230mg/kg; rabbit skin contact LD50: >5mg/kg;

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 45.47

2��� Molar volume (cm3/mol): 180.9

3. Isotonic specific volume (90.2K): 412.3

4. Surface tension (dyne/ cm): 26.9

5. Polarizability (10-24cm3): 18.02

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.6

2. Number of hydrogen bond donors: 0

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 26.3

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 108

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

It is produced by boiling esterification of isovaleric acid and n-butanol in benzene medium for a long time in the presence of sulfuric acid.

Purpose

GB 2760-96 stipulates that edible spices are allowed to be used. Mainly used for preparing dairy, cheese and banana flavors.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/26941

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

Follow Weibo
Back to top
Home
E-mail
Products
Search