Polyether_Polyether Polyol Knowledge 5-bromosalicylic acid

5-bromosalicylic acid

5-bromosalicylic acid structural formula

Structural formula

Business number 020U
Molecular formula C7H5BrO3
Molecular weight 217.02
label

5-bromo-2-hydroxybenzoic acid,

5-Bromo-2-hydroxybenzoic acid,

BrC6H3-2-(OH)CO2H

Numbering system

CAS number:89-55-4

MDL number:MFCD00002455

EINECS number:201-917-0

RTECS number:VO1850000

BRN number:2209121

PubChem number:24869910

Physical property data

1. Properties: White crystals or slightly yellowish needle crystals.

2. Density (g/mL, 25/4℃): Undetermined

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

4. Melting point (ºC): 168~169

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

6. Boiling point (ºC, 5.2kPa): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined Determined

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

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

12. Saturated vapor pressure (kPa, 60ºC): Undetermined

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

19. Solubility: easily soluble in ethanol, ether and heat Water, slightly soluble in cold water.

Toxicological data

Main irritant effects:

On skin: Irritation to skin and mucous membranes.

On eyes: Irritation effects

Sensitization: No known sensitizing effects.

Ecological data

General remarks

Water hazard level 1 (German regulations) (self-assessment via list) This substance is slightly hazardous to water.

Do not allow undiluted or large amounts of product to come into contact with groundwater, waterways or sewage systems.

Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Molar refractive index: 42.75

2. Molar volume (cm3/mol): 116.5

3. Isotonic specific volume (90.2K ): 334.9

4. Surface tension (dyne/cm): 68.1

5. Polarizability (10-24cm3): 16.94

Compute chemical data

1�� Reference value for hydrophobic parameter calculation (XlogP): 3.2

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 4

6. Topological molecular polar surface area (TPSA): 57.5

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 160

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

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Properties and stability

None

Storage method

This product should be sealed and stored away from light.

Synthesis method

None

Purpose

Used in organic synthesis. ​

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/19034

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