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2,4,6-Trihydroxybenzoic acid

5月 30th, 2024 News

2,4,6-Trihydroxybenzoic acid structural formula

Structural formula

Business number 01TL
Molecular formula C7H6O5
Molecular weight 170.12
label

Phloroglucinol formic acid,

2,4,6-Trihydroxybenzoic acid monohydrate,

Phloroglucinol carboxylic acid,

Phloroglucinic acid,

Phloroglucinolcarboxylic acid

Numbering system

CAS number:83-30-7

MDL number:MFCD00002453

EINECS number:201-467-5

RTECS number:DH8910000

BRN number:2212148

PubChem number:24889588

Physical property data

1. Physical property data


1. Character: Uncertain.


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


3. Relative vapor density (g/mL,AIR=1): Unsure


4. Melting point (ºC):210


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


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


8. Flash Point (ºC): Unsure


9. Specific optical rotation (º): Unsure


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


11. Vapor pressure (kPa,25ºC): Unsure


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


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


14. Critical temperature (ºC): Unsure


15. Critical pressure (KPa): Unsure


16. Oil and water (octanol/Log value of water) partition coefficient: Uncertain


17. Explosion limit (%,V/V): Unsure


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


19. Solubility: Uncertain.

Toxicological data

Acute toxicity:


Mouse abdominal cavity LD50: >800 mg/kg;

Ecological data

None

Molecular structure data

None

Compute chemical data

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

2. Number of hydrogen bond donors: 4

3. Number of hydrogen bond acceptors: 5

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 15

6. Topological molecule polar surface area 98

7. Number of heavy atoms: 12

8. Surface charge: 0

9. Complexity: 169

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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2,5-Dimethyl-1-phenylpyrrole

5月 27th, 2024 News

2,5-dimethyl-1-phenylpyrrole structural formula

Structural formula

Business number 01TG
Molecular formula C12H13N
Molecular weight 171.24
label

1-phenyl-2,5-dimethylpyrrole,

2,5-Dimethyl-1-phenyl-1H-pyrrole,

1-Phenyl-2,5-dimethylpyrrole

Numbering system

CAS number:83-24-9

MDL number:MFCD00022464

EINECS number:201-461-2

RTECS number:None

BRN number:124370

PubChem ID:None

Physical property data

1. Physical property data


1. Character: Uncertain


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


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


4. Melting point (ºC):50-51


5. Boiling point (ºC,Normal pressure):155-160


6. Boiling point (ºC,5.2kPa): Unsure


7. Refractive index: Uncertain


8. Flash Point (ºC): Unsure


9. Specific optical rotation (º): Unsure


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


11. Vapor pressure (kPa,25ºC): Unsure


12. Saturation vapor pressure (kPa,60ºC): Unsure


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


14. Critical temperature (ºC): Unsure


15. Critical pressure (KPa): Unsure


16. Oil and water (octanol/Log value of the partition coefficient (water): Uncertain


17. Explosion limit ( %,V/V): Unsure


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


19. Solubility: Uncertain.

Toxicological data

None

Ecological data

None

Molecular structure data

5. Molecular property data:


1. Molar refractive index: 56.33


2. Molar volume (m3/mol??177.7


3. Isotonic specific volume (90.2K ): 427.1


4. Surface Tension (dyne/cm):33.3


5. Polarizability?10-24cm3):22.33

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 3.1

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 0

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 4.9

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 151

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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2′,4′-Dimethylacetylacetanilide

5月 23rd, 2024 News

2',4'-dimethylacetylacetanilide structural formula

Structural formula

Business number 02C2
Molecular formula C12H15NO2
Molecular weight 205.25
label

AAMX,

Acetoacet-m-xylidide

Numbering system

CAS number:97-36-9

MDL number:MFCD00039836

EINECS number:202-576-0

RTECS number:AK4585000

BRN number:None

PubChem number:24878218

Physical property data

1. Properties: White crystalline powder.

2. Density (g/mL, 20?): 1.24

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

4. Melting point (ºC): 88-91

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

6. Boiling point (ºC, kPa): Undetermined

p>

7. Refractive index: Undetermined

8. Flash point (ºC): 171

9. Specific rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Not determined

11. Vapor pressure (mmHg, 20.2ºC): 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

Acute toxicity: Rat oral LD50: 3mg/kg;

Ecological data

None

Molecular structure data

1. Molar refractive index: 59.47

2. Molar volume (cm3/mol): 185.1

3. Isotonic specific volume (90.2K ): 470.9

4. Surface tension (dyne/cm): 41.8

5. Polarizability (10-24cm3): 23.57

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: 2

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: 8

6. Topological molecule polar surface area 46.2

7. Number of heavy atoms: 15

8. Surface charge: 0

9. Complexity: 250

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

It is synthesized from ethyl acetoacetate and 2,4-dimethylaniline.

Purpose

Mainly used as intermediates for dyes, organic pigments, and pesticides.

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