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Tetramethylammonium iodide

6月 3rd, 2024 News

Tetramethylammonium iodide structural formula

Structural formula

Business number 01JT
Molecular formula C4H12IN
Molecular weight 201.05
label

Tetramethyliodide,

Tetramethylamine iodide,

Tetramethyliodide,

(CH3)4N(I)

Numbering system

CAS number:75-58-1

MDL number:MFCD00011629

EINECS number:200-881-3

RTECS number:PA1050000

BRN number:3620030

PubChem number:24854126

Physical property data

1. Properties: This product is light yellow crystal and hygroscopic.


2. Density (g/mL,25/4?)?1.84


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


4. Melting point (ºC): 300 °C.


5. Boiling point (ºC,Normal pressure):230


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. ?? and 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/Logarial value of partition coefficient for water: Uncertain


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


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


19. Solubility: Easily soluble in anhydrous ethanol, slightly soluble in water, insoluble in ether and chloroform.



Toxicological data

1, acute toxicity


?Mouse abdominal cavityLD50: 3560 ug/kg


?Mouse abdominal cavityLD50:30mg/kg


smallMouse subcutaneousLD50:33mg/kg


?Mouse veinLD50:180 ug/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: 0

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 0

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 19.1

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: 2

Properties and stability

None

Storage method

This product should be sealed and stored in a cool, dry place away from light.

Synthesis method

None

Purpose

Polarographic analysis, determination of germanium. Used as phase transfer catalyst.

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Tetramethylammonium chloride

6月 3rd, 2024 News

Tetramethylammonium chloride structural formula

Structural formula

Business number 01JS
Molecular formula C4H12ClN
Molecular weight 109.60
label

Tetramethylammonium chloride,

Tetramethylammonium chloride,

Tetramethylammonium chloride,

Tetramethylchloride,

N,N,N-Trimethylmethanaminium chloride,

Tetramine chloride,

TMA,

Genetic engineering research reagents

Numbering system

CAS number:75-57-0

MDL number:MFCD00011628

EINECS number:200-880-8

RTECS number:BS7700000

BRN number:2496575

PubChem number:24888936

Physical property data

1. Properties: This product is white crystal. It is volatile and easy to deliquesce.

2. Density (g/mL, 25/4?): 1.169

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

4. Melting point (ºC): 420 °C.

5. Boiling point (ºC, normal pressure): 230

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

7. Refractive index: No Confirm

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. The logarithmic value of the oil-water (octanol/water) partition coefficient: Uncertain

17. The upper limit of explosion (%, V/V): Uncertain

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

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

Toxicological data

1. Acute toxicity

Mouse caliber LC50: 125mg/kg

Mouse abdominal LC50: 25mg/kg

Mouse subcutaneous LC50: 40mg /kg

Mouse LCLO: 20 mg/kg

Rabbit subcutaneous LDLO: 6 mg/kg

Pig LDLO: 20 mg/kg

Frog subcutaneous LD50: 2mg/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: 0

3. Number of hydrogen bond acceptorsAmount: 1

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: None

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 6

8. Surface charge: 0

9. Complexity: 19.1

10. Isotopes Number of atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine chemical bonds Number of stereocenters: 0

14. Number of stereocenters of uncertain chemical bonds: 0

15. Number of covalent bond units: 2

Properties and stability

1. Heated to 230ºC, it decomposes into trimethylamine and methyl chloride.

Storage method

This product should be sealed and stored in a cool, dry place away from light.

Synthesis method

1. Formic acid, formaldehyde and ammonia react to form trimethylamine formate:

Trimethylaminoformate and sodium hydroxide The trimethylamine released by the reaction reacts with methyl chloride to generate tetramethylammonium chloride:

Purpose

1. Polarographic analysis reagents, chemical analysis reagents. Used in electronic industry, etc.

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Dichloromethylsilane

6月 3rd, 2024 News

Dichloromethylsilane structural formula

Structural formula

Business number 01JQ
Molecular formula CH4Cl2Si
Molecular weight 115.03
label

Methyldichlorosilane,

Monomethyldichlorosilane,

Dow Corning® product Z-1218,

Methyldichlorosilane,

CH3SiHCl2

Numbering system

CAS number:75-54-7

MDL number:MFCD00000494

EINECS number:200-877-1

RTECS number:VV3500000

BRN number:1071194

PubChem number:24867579

Physical property data

1. Properties: colorless liquid, smokes in humid air, has a pungent odor, and is easy to deliquesce. [1]

2. Melting point (?): -93[2]

3. Boiling point (?): 41.9[3]

4. Relative density (water = 1): 1.105[4]

5. Relative vapor Density (air=1): 4.0[5]

6. Saturated vapor pressure (kPa): 46.78 (20?)[6]

7. Critical pressure (MPa): 3.95[7]

8. Octanol/water partition coefficient: 1.70[8] sup>

9. Flash point (?): -32.22; -9 (CC) [9]

10. Ignition temperature (?) ?290[10]

11. Explosion upper limit (%): 55.0[11]

12. Explosion lower limit (%) %): 2.4[12]

13. Solubility: soluble in benzene, ether, and heptane. [13]

Toxicological data

1. Skin/eye irritation

Standard Draize test: rabbit, skin contact: 2mg/24H; severity of reaction: severe.

Standard Draize test: Rabbit, eye contact: 24mg/24H; severity of reaction: moderate.

2. Acute toxicity: Rat oral LD50: 2830?L/kg; rat inhalation LC50: 300ppm/4H.

3. Acute toxicity[14]

LD50: 2830?l (3113mg)/kg (rat oral)

LC50: 300ppm (rat inhalation, 4h)

4. Irritation[15]

Rabbit transdermal: 2mg (24h), severe stimulation.

Rabbit eye: 20mg (24h), moderate irritation.

Ecological data

1. Slightly harmful to water, avoid undiluted or large amounts of product coming into contact with groundwater, waterways or sewage systems.

2. Ecotoxicity No information available

3. Biodegradability No information available

4. Non-biodegradability No information available

Molecular structure data

1. Molar refractive index: not available

2. Molar volume (cm3/mol): not available

3. etc. Zhang specific volume (90.2K): None available

4. Surface tension (dyne/cm): None available

5. Dielectric constant: None available

6. Polarizability (10-24cm3): None available

7. Single isotope mass: 113.945932 Da

8. Standard??Mass: 114 Da

9. Average mass: 115.034 Da

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: 0

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: none

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 4

8. Surface charge: 0

9. Complexity: 13.5

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[16] Stable

2. Incompatible substances [17] Strong oxidants, acids, water

3. Conditions to avoid contact[18] Humid air

4. Polymerization hazard[19] No Polymerization

5. Decomposition products[20] Hydrogen chloride

Storage method

Storage Precautions[21] Store in a cool, dry and well-ventilated dedicated warehouse. Keep away from fire and heat sources. The storage temperature does not exceed 32°C and the relative humidity does not exceed 75%. The packaging must be sealed and protected from moisture. They should be stored separately from oxidants, acids, etc., and avoid mixed storage. Use explosion-proof lighting and ventilation facilities. It is prohibited to use mechanical equipment and tools that are prone to sparks. The storage area should be equipped with emergency release equipment and suitable containment materials.

Synthesis method

None

Purpose

1. Used to prepare hydrogenated silicone oil, also used for fabric treatment, waterproofing agent, etc.

2. Used in the manufacture of silicone compounds. [22]

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