Epoxy curing agent Knowledge 5-phenylhydantoin

5-phenylhydantoin

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5-Phenylhydantoin Structural Formula

Structural formula

Business number 020H
Molecular formula C9H8N2O2
Molecular weight 176.17
label

5-phenylhydantoin

Numbering system

CAS number:89-24-7

MDL number:MFCD00037881

EINECS number:201-890-5

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Properties: white crystal or powder.

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

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

4. Melting point (ºC): 127

5. Boiling point (ºC, normal pressure): 287

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

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

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10. Autoignition point or ignition 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. 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: Soluble in hot water, slightly soluble in ethanol and benzene , insoluble in ether, petroleum ether and cold water.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 45.23

2. Molar volume (cm3/mol): 137.9

3. Isotonic specific volume (90.2K ): 359.1

4. Surface tension (dyne/cm): 45.9

5. Polarizability (10-24cm3): 17.93

Compute chemical data

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

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 8

6. Topological molecule polar surface area 58.2

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 234

10. Number of isotope atoms: 0

11. Determining the atomic configurationNumber of stereocenters: 0

12. Uncertain number of stereocenters of atoms: 1

13. Determined number of stereocenters of chemical bonds: 0

14. Uncertain Number of stereocenters of chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

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

Synthesis method

None

Purpose

Microanalytical determination of cyanide. Drug and dye intermediates. Determination of vitamin B12. Testing of cobalt, copper, iron, nickel and silver.

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