Polyether_Polyether Polyol Knowledge N-Carbamoylmaleamic Aicd N-Carbamoylmaleamic Aicd

N-Carbamoylmaleamic Aicd N-Carbamoylmaleamic Aicd

N-carbamoylmaleic acid structural formula

Structural formula

Business number 02S2
Molecular formula C5H6N2O4
Molecular weight 158.12
label

carbamide

Numbering system

CAS number:105-61-3

MDL number:MFCD00014790

EINECS number:203-314-8

RTECS number:EM9090000

BRN number:1724683

PubChem ID:None

Physical property data

1. Properties: white crystalline powder.

2. Density (g/mL, 25℃): Undetermined

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

4. Melting point (ºC): 156-159

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

6. Boiling point (ºC, mmHg): 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): Not determined

11. Vapor pressure (mmHg, 20ºC): Not determined

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

17. Explosion upper limit (%, V /V): Undetermined

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

19. Solubility: Undetermined

Toxicological data

None

Ecological data

This substance is slightly hazardous to water.

Molecular structure data

1. Molar refractive index: 34.02

2. Molar volume (cm3/mol): 106.0

3. Isotonic specific volume (90.2K ): 307.2

4. Surface tension (dyne/cm): 70.4

5. Dielectric constant:

6. Dipole moment (10-24cm3):

7. Polarizability: 13.48

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): -0.9

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

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4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 5

6. Topological molecular polar surface area (TPSA): 110

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 221

10. Isotopic atoms Quantity: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the chemical bond positions structureNumber of centers: 1

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with oxidizing agents.

Storage method

Stored in a cool, ventilated warehouse. Keep away from fire and heat sources. should be kept away from oxidizer, do not store together. Keep away from light. Equipped with the appropriate variety and quantity of fire equipment. The storage area should be equipped with emergency release equipment and suitable containment materials.

Synthesis method

None

Purpose

None

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/15878

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