Toluene diisocyanate manufacturer Knowledge 2-Hydroxy-3-methoxybenzaldehyde

2-Hydroxy-3-methoxybenzaldehyde

2-hydroxy-3-methoxybenzaldehyde structural formula

Structural formula

Business number 03XG
Molecular formula C8H8O3
Molecular weight 152.15
label

o-vanillin,

O-vanillin,

o-Vanillin,

2-Hydroxy-m-anisaldehyde,

artificial flavors

Numbering system

CAS number:148-53-8

MDL number:MFCD00003322

EINECS number:205-715-3

RTECS number:CU6530000

BRN number:471913

PubChem number:24890053

Physical property data

1. Melting point (℃): 40~42

2. Boiling point (℃): 265.5~266

3. Flash point (℃): 113

4. Relative density (d204) : 1.056

5. Properties: white needle-shaped crystals with the special aroma of vanilla beans .

6. Solubility: Slightly soluble in cold water, soluble in hot water, ethanol, and ether.

Toxicological data

2. Toxicology data:

1. Acute toxicity: rat intraperitoneal LD50: 347 mg/kg;

Mouse oral LD50: 1330 mg/kg;

Mouse abdominal LD50: 400 mg/kg

Ecological data

3. Ecological data:

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: 41.56

2. Molar volume (cm3/mol): 123.5

3. Isotonic specific volume (90.2K): 324.0

4. Surface tension (dyne/cm): 47.3

5. Polarizability (10-24cm3): 16.47

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 5

6. Topological molecule polar surface area 46.5

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 135

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. Exists in flue-cured tobacco leaves, burley tobacco leaves, and mainstream smoke.

2. Found in tonka bean, benzoin gum, Peru balsam, Tolu balsam, etc.

Storage method

Store sealed in a dry and cool place.

Synthesis method

1. Tobacco: BU, 56; FC, 9, 18; BU, 9., 18; Synthesis: obtained from isoeugenol through oxidation, and can also be prepared from safrole, lignin, guaiacol, etc. Made from raw materials.

Purpose

1. Used as a pharmaceutical intermediate and an important starting material for the synthesis of a variety of raw materials and spices.

2. Used in pharmaceutical and electroplating industries.

3. Used as a fixative, coordinating agent and tone-changing agent, and is widely used in cosmetic flavors. It is also an important flavor enhancer for beverages and foods.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/27818

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