Polyether_Polyether Polyol Knowledge Tiglic Acid Tiglic Acid

Tiglic Acid Tiglic Acid

Structural formula of cisethic acid

Structural formula

Business number 01RB
Molecular formula C5H8O2
Molecular weight 100.02
label

Be wary of acid,

(E)-2-Methyl-2-butenoic acid,

(E)-2-Methylcrotonic acid,

(E)-2-Methyl-2-butenoic Acid,

(E)-2-Methylcrotonic Acid,

(E)-2,3-Dimethylacrylic acid,

acidic solvent

Numbering system

CAS number:80-59-1

MDL number:MFCD00066864

EINECS number:201-295-0

RTECS number:GQ5430000

BRN number:1236500

PubChem number:24900147

Physical property data

1. Properties: Colorless triclinic flake crystals. It has a spicy aroma. It is the trans isomer of Angelic acid. Can evaporate with water vapor.

2. Relative density (25℃, 4℃): 0.964176

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

4. Melting point (ºC): 65

5. Boiling point (ºC, normal pressure): 198.5, 95.0~96 (1533pa)

6 . Refractive index at room temperature (n25): 1.433076

7. Refractive index: 1.4342

8. Flash point ( ºC): 101

9. Specific optical rotation (º): Undetermined

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

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

12. Saturation vapor pressure (kPa, 60ºC): Not determined

13. Heat of combustion (KJ/mol): Not determined Determined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Oil and water (octanol/water ) Log value of distribution coefficient: Undetermined

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

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

19. Solubility: Easily soluble in hot water, soluble in ethanol and ether, slightly soluble in cold water.

Toxicological data

1. Acute toxicity

Rat caliber LD50: >5mg/kg;

Rabbit skin LD50: >5mg/kg;

2. Nerve Toxicity

Rabbit skin test: 500mg/24H;

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 26.67

2. Molar volume (cm3/mol): 99.1

3. Isotonic specific volume (90.2K ): 236.2

4. Surface tension (dyne/cm): 32.2

5. Polarizability (10-24cm3): 10.57

Compute chemical data

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

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 37.3

7. Number of heavy atoms: 7

8. Surface charge: 0

9. Complexity: 103

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: 1

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

1. Exist in tobacco leaves and smoke.

Storage method

This product should be sealed and stored in a cool place.

Synthesis method

1. Tobacco: BU, 56; FC, 18, 40; synthesized from 2-hydroxy-2-methylbutyronitrile.

Purpose

Emulsion breakers. Its esters can be used as spices. ​

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/14709

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