5-Nitrobenzimidazole

5-Nitrobenzimidazole Structural Formula

Structural formula

Business number 027T
Molecular formula C7H5N3O2
Molecular weight 163.13
label

6-Nitrobenzimidazole,

5-nitro-1H-benzimidazole,

6-Nitrobenzimidazole,

6-Nitrobenzimidazole,

5-nitro-1H-Benzimidazole

Numbering system

CAS number:94-52-0

MDL number:MFCD00005604

EINECS number:202-341-2

RTECS number:DD9800000

BRN number:7926

PubChem ID:None

Physical property data

1. Properties: light yellow powder.

2. Density (g/mL, 20?): Undetermined

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

4. Melting point (ºC): 207-210

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

6. Boiling point (ºC, KPa): 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 (mmHg, 25ºC): Undetermined

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

1. Acute toxicity: Rat oral LDLo: 500mg/kg;

2. Chronic toxicity/carcinogenicity

Mouse oral TDLo: 160mg/kg/78W -C; Mouse oral TD: 79mg/kg/78W-C;

3. Mutagenicity

Mutation of microorganism Salmonella typhimurium: 33?g/plate;

Ecological data

Slightly harmful to water.

Molecular structure data

1. Molar refractive index: 43.16

2. Molar volume (cm3/mol): 106.9

3. Isotonic specific volume (90.2K ): 320.3

4. Surface tension (dyne/cm): 80.5

5. Polarizability (10-24cm3): 17.11

Compute chemical data

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

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: 2

6. Topological molecular polarity tableArea 74.5

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 192

10 .The number of isotope atoms: 0

11. The number of determined atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13. Determined number of stereocenters of chemical bonds: 0

14. Number of uncertain stereocenters of chemical bonds: 0

15. Number of covalent bond units: 1

Properties and stability

Avoid contact with oxides.

Storage method

Stored sealed in a cool, dry place. Make sure the workspace has good ventilation. Keep away from sources of fire and store away from oxidizing agents.

Synthesis method

None

Purpose

It is used as a sensitive reagent for the determination of bismuth, cadmium, copper, etc. and as a rubber antioxidant. It is also used in the preparation of pesticides. Used as photographic material.

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Ethylene benzoate

Ethylene benzoate structural formula

Structural formula

Business number 027S
Molecular formula C16H14O4
Molecular weight 270.28
label

1,2-Bis(benzoyloxy)ethane,

Glycol Dibenzoate

Numbering system

CAS number:94-49-5

MDL number:None

EINECS number:202-338-6

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

1. Characteristics: Undetermined

2. Density (g/mL, 20?): Undetermined

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

4. Melting point (ºC): 70

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

6. Boiling point (ºC) , KPa): 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 (mmHg, 25ºC): Not determined

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

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Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 74.00

2. Molar volume (cm3/mol): 226.1

3. Isotonic specific volume (90.2K ): 592.0

4. Surface tension (dyne/cm): 47.0

5. Polarizability (10-24cm3): 29.33

Compute chemical data

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

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 7

5. Number of tautomers: none

6. Topological molecule polar surface area 52.6

7. Number of heavy atoms: 20

8. Surface charge: 0

9. Complexity: 282

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

None

Synthesis method

??None

Purpose

None

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Thymidine

Thymidine structural formula

Structural formula

Business number 014A
Molecular formula C10H14N2O5
Molecular weight 242.23
label

?-Thymidine,

2′-deoxythymidine,

?-Thymidine,

1-(2-Deoxy-?-D-ribofuranosyl)-5-methyluracil,

1-(2-Deoxy-?-D-ribofuranosyl)thymine,

2′-Deoxythymidine,

dT,

Thymine deoxyriboside,

For nucleic acid synthesis

Numbering system

CAS number:50-89-5

MDL number:MFCD00006537

EINECS number:200-070-4

RTECS number:XP2071000

BRN number:89285

PubChem number:24899996

Physical property data

1. Properties: white needle-like crystalline powder.

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

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

4. Melting point (ºC): 185

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): [?] D25 +30.6° (C?1.029)

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. Oil and water (octanol /water) logarithmic value of the distribution coefficient: Undetermined

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

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

19. Solubility: Soluble in water, methanol, hot ethanol, hot acetone, hot ethyl acetate, pyridine and glacial acetic acid, slightly soluble in hot chloroform.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 55.84

2. Molar volume (cm3/mol): 89.2

3. Isotonic specific volume (90.2K ): 166.7

4. Surface tension (dyne/cm): 62.2

5. Polarizability (10-24cm3): 22.13

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): -1.2

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 5

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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: 17

8. Surface charge: 0

9. Complexity: 381

10. Isotopic atoms Quantity: 0

11. Determine the number of atomic stereocenters: 3

12. Uncertain number of atomic stereocenters: 0

13. Determine chemical bond positions Number of 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 kept sealed and dry.

Synthesis method

None

Purpose

Used as pharmaceutical intermediates for the synthesis of antiviral and anti-HIV drugs

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