DL-Penicillamine

DL-Penicillamine Structural Formula

Structural formula

Business number 015K
Molecular formula C5H11NO2S
Molecular weight 149.21
label

?,?-Dimethyl-DL-cysteine,

DL-2-Amino-3-mercapto-3-methylbutanoic acid

Numbering system

CAS number:52-66-4

MDL number:MFCD00004856

EINECS number:200-147-2

RTECS number:YV9445000

BRN number:2039817

PubChem number:24898596

Physical property data

1. Properties: White to off-white crystalline powder

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

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

4. Melting point (ºC): 208-212

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

6. Boiling point (ºC, 5.2kPa): 169? (756mmHg)

7. Refractive index: 1.5310

8. Flash point (ºC): 73

9. Specific rotation (º, C=1, sodium hydroxide): -1~1

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

11. Vapor pressure (kPa, 25ºC): 1.68mPa

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 (polymer) Log value of the partition coefficient (alcohol/water): Undetermined

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

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

19. Solubility: Undetermined.

Toxicological data

1. Acute toxicity: rat oral LD50: 365mg/kg; rat intravenous LD50: 209mg/kg; mouse intraperitoneal LD50: 358mg/kg

Ecological data

None yet

Molecular structure data

1. Molar refractive index: 38.13

2. Molar volume (cm3/mol): 123.8

3. Isotonic specific volume (90.2K ): 326.2

4. Surface tension (dyne/cm): 48.1

5. Polarizability (10-24cm3): 15.11

Compute chemical data

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

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 4

4. Number of rotatable chemical bonds: 2

5. Number of tautomers: none

6. Topological molecule polar surface area 64.3

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 124

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.Quantity: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

This product should be sealed and stored dry at 4°C.

Synthesis method

None yet

Purpose

Biochemical research. Used as a copper ion chelator in Wilson’s disease. Antirheumatic drugs.

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3,4,6-Trichloro-2-nitrophenol

3,4,6-Trichloro-2-nitrophenol structural formula

Structural formula

Business number 01T1
Molecular formula C6H2Cl3NO3
Molecular weight 242.44
label

2-nitro-3,4,6-trichlorophenol,

2-Nitro-3,4,6-trichlorophenol

Numbering system

CAS number:82-62-2

MDL number:None

EINECS number:None

RTECS number:None

BRN number:None

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): Unsure


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 veinLD50:56mg/kg

Ecological data

None yet

Molecular structure data

5. Molecular property data:


1. Molar refractive index:49.36


2. Molar volume (m3/mol??135.5


3. isotonic specific volume (90.2K):385.3


4. Surface Tension (dyne/cm):65.3


5. Polarizability?10-24cm3):19.56

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: 4

6. Topological molecule polar surface area 66

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 210

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 yet

Storage method

None yet

Synthesis method

None yet

Purpose

None yet

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2,4-Dimethylaniline

2,4-dimethylaniline structural formula

Structural formula

Business number 029K
Molecular formula C8H11N
Molecular weight 121.18
label

m-dimethylaniline,

2,4-Dimethyl-Benzenemine,

2,4-Dimethylaniline,

m-Xylidine

Numbering system

CAS number:95-68-1

MDL number:MFCD00007738

EINECS number:202-440-0

RTECS number:ZE8925000

BRN number:636243

PubChem number:24854443

Physical property data

1. Properties: colorless oily liquid [1]

2. Melting point (?): -14.3[2]

3. Boiling point (?): 214[3]

4. Relative density (water=1): 0.97 [4]

5. Relative vapor density (air=1): 4.18[5]

6. Saturated vapor pressure (kPa ): 0.05 (38?)[6]

7. Octanol/water partition coefficient: 1.68[7]

8. Flash point (?): 90.56[8]

9. Ignition temperature (?): 460[9]

10. Explosion upper limit (%): 7.0[10]

11. Explosion lower limit (%): 1.1[11]

12. Solubility: Slightly soluble in water, soluble in ethanol, ether, benzene and other organic solvents. [12]

Toxicological data

1. Acute toxicity:

Oral LD50 in rats: 467mg/kg; Oral LD50 in mice: 250mg/kg; Inhalation LC50 in mice: 149ppm/7H;

2. Other multiple dose toxicity: rat oral TDLo: 1170mg/kg/10D-C; rat oral TDLo: 13300mg/kg/4W-I;

3. Mutagenicity

Mutation of microbial Salmonella typhimurium: 1?mol/plate;

DNA synthesis in rat liver: 1?mol/L;

Transperitoneal DNA damage in mice: 200mg /kg;

Oral DNA inhibition in mice: 200mg/kg;

4. Acute toxicity[13]

LD50: 467mg/kg (rat oral)

LC50: 149ppm (mouse inhalation, 7h)

5. Irritation No data yet

6. Subacute and chronic toxicity [14] Rat intragastric doses are 25, 50, 100 and 250mg /kg for 7 consecutive days, liver weight increased. The dose is 400mg/kg, 7 days, and the liver weight is seriously damaged.

Ecological data

1. Ecotoxicity No data available

2. Biodegradability No data available

3 .Non-biodegradability[15] In air, when the concentration of hydroxyl radicals is 5.00×105/cm3 When, the degradation half-life is 2h (theoretical).

4. Other harmful effects [16] This substance is harmful to the environment, and special attention should be paid to the pollution of water bodies.

Molecular structure data

1. Molar refractive index: 40.13

2. Molar volume (cm3/mol): 124.2

3. Isotonic specific volume (90.2K ): 308.3

4. Surface tension (dyne/cm): 37.9

5. Polarizability (10-24cm3): 15.91

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: 1

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 26

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 90.6

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

1. Stability[17] Stable

2. Incompatible substances[18] Acids, acid chlorides, acid anhydrides, strong oxidants, chloroform, halogens

3. Conditions to avoid contact[19] Heating

4. Hazards of aggregation[20] No aggregation

Storage method

Storage Precautions[21] Store in a cool, ventilated warehouse. Keep away from fire and heat sources. Keep container tightly sealed. They should be stored separately from oxidants, acids, halogens, and food chemicals, and avoid mixed storage. 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

1. Prepared from m-xylene through nitration and reduction.

Purpose

1. Used as analytical reagents to produce dyes. [22]

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