rose acid

rosinic acid structural formula

Structural formula

Business number 067V
Molecular formula C19H14O3
Molecular weight 290.32
label

rosy acid,

rose acid,

Aurin,

C.I. 43800,

Anti-inflammatory and antibacterial

Numbering system

CAS number:603-45-2

MDL number:MFCD00001624

EINECS number:210-041-8

RTECS number:None

BRN number:2055205

PubChem ID:None

Physical property data

Physical property data: 1. Appearance: white amorphous powder (methanol) 2. Melting point (℃): 273–275

Toxicological data

None

Ecological data

3. Ecological data:

1. Other harmful effects: This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

5. Molecular property data:

1. Molar refractive index: 84.45

2. Molar volume (cm3/mol): 220.6

3. Isotonic specific volume (90.2K): 619.4

4. Surface tension (dyne/cm): 62.1

5. Polarizability (10-24cm3): 33.48

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 3.9

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 6

6. Topological molecule polar surface area 57.5

7. Number of heavy atoms: 22

8. Surface charge: 0

9. Complexity: 457

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

1. Basic properties

Maximum absorption wavelength: 534.6, 479.5nm. Irritating

Storage method

2. Storage

Sealed and stored

Synthesis method

3. Introduction to the production method

It is produced by heating a mixture of phenol, oxalic acid and sulfuric acid.

Purpose

IV. Uses

Acid-base indicator, PH6.8 (yellow) ~ 8.0 (red). A qualitative reagent for carbon dioxide in beverage water, it can also be used to distinguish human milk from cow’s milk. Dye 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/47924

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