Toluene diisocyanate manufacturer Knowledge DL-4-Fluorophenylalanine DL-p-Fluorophenylalanine

DL-4-Fluorophenylalanine DL-p-Fluorophenylalanine

DL-4-fluorophenylalanine structural formula

Structural formula

Business number 0153
Molecular formula C9H10FNO2
Molecular weight 183.18
label

4-fluoro-DL-phenylalanine,

3-(4-Fluorophenyl)-DL-alanine,

DL-Phe(p-F),

H-DL-Phe(p-F)-OH

Numbering system

CAS number:51-65-0

MDL number:MFCD00002600

EINECS number:200-113-7

RTECS number:AY6315000

BRN number:29338793

PubChem number:24894885

Physical property data

1. Properties: white crystal.

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

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

4. Melting point (ºC): 263~264℃ (253~255℃) decomposes.

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

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: Soluble in acetic acid and alkali, about 10mg of product can be dissolved in 1ml of water.

Toxicological data

1. Acute toxicity: mouse abdominal cavity LD50: >1mg/kg

4. Mutagenicity: Mutation microorganismsTEST system: Microorganisms – not otherwise specified: 50umol/L; Mutation microorganismsTEST system: mold – Neurospora crassa: 1mg /L; Gene conversion and mitotic recombinationTEST system: yeast-Saccharomyces cerevisiae: 1200ppm; Sex chromosome loss and nondisjunctionTEST system: yeast-Saccharomyces cerevisiae: 1200ppm; Cytogenetic analysisTEST system: Human lymphocytes: 50umol/L; Cytogenetic analysisTEST System: rodent-hamster lung: 550umol/L; DNA inhibitionTEST system: rodent-rabbit kidney: 500umol/L

Ecological data

None

Molecular structure data

1. Molar refractive index: 45.48

2. Molar volume (cm3/mol): 141.6

3. Isotonic specific volume (90.2K): 378.9

4. Surface tension (dyne/cm): 51.2

5. Polarizability (10-24cm3): 18.03

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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: 4

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 63.3

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 179

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 1

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

Should be kept sealed.

Synthesis method

None

Purpose

E. coli growth inhibitor. Phenylalanine antagonist. Protein synthesis inhibitor.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.chemicalchem.com/archives/21269

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