Epoxy curing agent Knowledge salicyl hydroxamic acid

salicyl hydroxamic acid

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Structural formula of salicyl hydroxamic acid

Structural formula

Business number 0218
Molecular formula C7H7NO3
Molecular weight 153.14
label

salicyloxamic acid,

N,2-dihydroxybenzamide,

O-Hydroxybenzoyl Hydroxamic Acid,

2-Hydroxybenzohydroxamic acid,

N,2-Dihydroxybenzamide,

HOC6H4CONHOH

Numbering system

CAS number:89-73-6

MDL number:MFCD00002110

EINECS number:201-934-3

RTECS number:VO6870000

BRN number:1210520

PubChem number:24899684

Physical property data

1. Properties: White needle-like crystals. Gradually turns red in the air. Can sublime

2. Density (g/mL, 25/4℃): 1.680

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

3. p>

4. Melting point (ºC): 168℃ (slow heating), 176~178℃ (rapid heating).

5. Boiling point (ºC, normal pressure): Not determined

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

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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

11. Vapor pressure (kPa, 25ºC): Undetermined

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. Logarithmic 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 and ether, soluble in hot acetic acid, slightly soluble in water.

Toxicological data

Acute toxicity:

Oral LD50 5000 mg/kg (rat)

Main irritant effects:

On the skin: Irritation to skin and mucous membranes .

On eyes: Irritation effects

Sensitization: No known sensitizing effects.

Ecological data

General Notes

Water Hazard Level 1 (German Regulation) (Adopted List��Carry out self-assessment) 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: 38.65

2. Molar volume (cm3/mol ): 109.2

3. Isotonic specific volume (90.2K): 312.3

4. Surface tension (dyne/cm): 66.9

5. Polarizability (10-24cm3): 15.32

Compute chemical data

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

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 17

6. Topological molecule polar surface area 69.6

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 149

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

Storage method

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

Synthesis method

None

Purpose

Organic reagents. Analyze bismuth, copper, nickel and lead, and also precipitate silver, cadmium, cobalt, iron, mercury, magnesium, manganese and vanadium.

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