2-bromoacetophenone

2-bromoacetophenone structural formula

Structural formula

Business number 01FZ
Molecular formula C8H7BrO
Molecular weight 199.05
label

Bromoacetophenone,

2-Bromo-1-phenylethanone,

?-bromoacetophenone,

Benzoyl Methyl Bromide,

Bromoacetophenone,

Alpha-bromoacetophenone,

2-Bromoacetophenone,

Phenacyl bromide,

Bromoacetylbenzene,

?-Bromoacetophenone,

Aromatic aldehydes, ketones and their derivatives

Numbering system

CAS number:70-11-1

MDL number:MFCD00000195

EINECS number:200-724-9

RTECS number:None

BRN number:606474

PubChem number:24887194

Physical property data

1. Properties: White needle-like crystals precipitated from ethanol

2. Density (g/mL, 25/4?): 1.476

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

4. Melting point (ºC): 48-51

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

p>

6. Boiling point (ºC, 18mmHg): 135

7. Refractive index: 1.709 (15?)

8. Flash point (ºF): >230

9. Specific rotation (º): Uncertain

10. Autoignition point or ignition temperature (ºC): Uncertain

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

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

13. Heat of combustion (KJ/mol): Uncertain

14. Critical temperature (ºC): Uncertain

15. Critical pressure (KPa): Uncertain

16. Oil-water (octanol/water) partition coefficient relationship Value: Uncertain

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

18. Explosion lower limit (%, V/V): Uncertain

19. Solubility: Easily soluble in ether, benzene and chloroform, soluble in ethanol and hot petroleum ether, insoluble in water

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 44.01

2. Molar volume (cm3/mol): 134.1

3. Isotonic specific volume (90.2K ): 344.5

4. Surface tension (dyne/cm): 43.5

5. Polarizability (10-24cm3): 17.44

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 2.5

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 1

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: 2

6. Topological molecular polar surface area (TPSA): 17.1

7. Number of heavy atoms: 10

8. Surface charge: 0

9. Complexity: 116

10. Number of isotope atoms : 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the chemical bond configuration Number of centers: 0

14, Number of uncertain chemical bond stereocenters: 0

15, Number of covalent bond units: 1

Properties and stability

This product is toxic and has strong tear-inducing properties. It can burn when exposed to open fire and emit a large amount of tear-inducing vapor when exposed to high heat.
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Storage method

This product should be sealed and stored away from light.

Packaged in glass bottles with wooden boxes lined with padding or iron drums. Store in a cool, ventilated warehouse. Keep away from fire and heat sources. Store and transport separately from oxidants and edible raw materials. When transporting, load and unload gently to prevent damage to the container.

Synthesis method

Originated from bromination of acetophenone. Add water and benzene into the reaction pot, stir, quickly add bromine at 25°C, slowly raise the temperature to 55-60°C, react for 10-20 minutes, add ice water, cool to 0-5°C, filter, and use for filter cake Wash with ice water and spin dry to obtain bromoacetophenone. The yield is 92%. During the above reaction, a thunderous sound can be emitted from the reaction pot. It is also possible to react acetophenone with bromine dropwise in an ether solvent, and add anhydrous aluminum trichloride to the reaction solution. This method obtains crude product with a yield of 88-96%. In addition, acetophenone and bromine can also be produced by the interaction of acetophenone and bromine in the presence of aluminum oxide, with a yield of 94%.

Purpose

This product is a raw material for organic synthesis and an intermediate for medicines and dyes. In the pharmaceutical industry, it is used to inhibit blood speed, etc., and can be synthesized with thiourea to synthesize ?-amino-4-phenylthiazole. Determination of hydroxy acids. Organic Synthesis.

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Trifluorothymidine

Trifluorothymidine structural formula

Structural formula

Business number 01FY
Molecular formula C10H11F3N2O5
Molecular weight 296.2
label

Trifluorothymidine,

Trifluorothymidine,

5-trifluoromethyl-2-deoxyuridine,

Trifluridine,

Trifluoside,

Trifluridine,

Trifluridine,

5-Trifluoromethyl-2′-deoxyuridine,

2′-Deoxy-5-(trifluoromethyl)uridine,

5-Trifluoro-2′-deoxythymidine

Numbering system

CAS number:70-00-8

MDL number:MFCD00006534

EINECS number:200-722-8

RTECS number:XP2087500

BRN number:None

PubChem number:24900027

Physical property data

1. Properties: Crystal. 2. Density (g/mL, 25/4?): Uncertain

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

4. Melting point (ºC): 186-1895 .       Boiling point (ºC, normal pressure): Uncertain

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

7.      Refractive index: 50 ° (C=1, H2O)

8. Flash point (ºC): Uncertain

9. Specific rotation (º): Uncertain

10. Autoignition point or ignition temperature (ºC) : Uncertain

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

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

13 . Heat of combustion (KJ/mol): Uncertain

14. Critical temperature (ºC): Uncertain

15. Critical pressure (KPa): Uncertain

16. Log value of oil-water (octanol/water) partition coefficient: Uncertain

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

18. Explosion Lower limit (%, V/V): Uncertain

19. Solubility: Uncertain

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 55.92

2. Molar volume (cm3/mol): 179.8

3. Isotonic specific volume (90.2K ): 492.2

4. Surface tension (dyne/cm): 56.1

5. Polarizability (10-24cm3): 22.17

Compute chemical data

1. Hydrophobic parameter calculation??Reference value (XlogP): -0.5

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 8

4 , Number of rotatable chemical bonds: 2

5, Number of tautomers: 3

6, Topological molecular polar surface area (TPSA): 99.1

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 464

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 3

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain 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 dry and below 0?.

Synthesis method

None

Purpose

Biochemical research. medicine. ?

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DL-?-Phenylserine

DL-?-phenylserine structural formula

Structural formula

Business number 01FX
Molecular formula C9H11NO3
Molecular weight 181.19
label

3-Phenylserine monohydrate,

beta-hydroxy-3-phenyl-DL-alanine

Numbering system

CAS number:69-96-5

MDL number:None

EINECS number:None

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Character: white or light gray crystal.

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

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

4. Melting point (ºC): 202~208? (decomposition)

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

6. Boiling point (ºC, normal pressure) 5.2kPa): Not determined

7. Refractive index: Not determined

8. Flash point (ºC): Not determined

9. Specific rotation ( º): Not 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 Determined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) partition coefficient: Undetermined

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

18. Explosion lower limit (%, V/V): Undetermined

19. Solubility: Slightly soluble in water , difficult to dissolve in ethanol and ether.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 47.03

2. Molar volume (cm3/mol): 135.6

3. Isotonic specific volume (90.2K ): 387.2

4. Surface tension (dyne/cm): 66.3

5. Polarizability (10-24cm3): 18.64

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -2.5

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

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4. Number of rotatable chemical bonds: 3

5. Topological molecular polar surface area (TPSA): 83.6

6. Number of heavy atoms: 13

7. Surface charge: 0

8. Complexity: 178

9. Number of isotope atoms: 0

10. Determine the atomic stereocenter Quantity: 0

11,  The number of uncertain atomic stereocenters: 2

12. The number of determined chemical bond stereocenters: 0

13. The number of uncertain chemical bond stereocenters: 0

14. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be kept sealed.

Synthesis method

None

Purpose

Biochemical research. Bacterial growth inhibitor. ?

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