3 – Amine Catalysts https://www.newtopchem.com The Leading Supplier of China Amine Catalysts Wed, 22 May 2024 09:41:06 +0000 zh-CN hourly 1 https://wordpress.org/?v=6.1.7 https://www.newtopchem.com/wp-content/uploads/2023/12/1.jpg 3 – Amine Catalysts https://www.newtopchem.com 32 32 3,4-Dimethoxyphenylacetonitrile https://www.newtopchem.com/archives/49064 Wed, 22 May 2024 09:41:06 +0000 http://www.newtopchem.com/archives/49064 3,4-dimethoxyphenylacetonitrile structural formula

Structural formula

Business number 025Y
Molecular formula C10H11NO2
Molecular weight 177.20
label

(3,4-Dimethoxyphenyl)acetonitrile,

Veratrum nitrile,

3,4-Dimethoxybenzonitrile,

3,4-Dimethoxy-benzeneacetonitril,

3,4-Dimethoxybenzyl cyanide

Numbering system

CAS number:93-17-4

MDL number:MFCD00001911

EINECS number:202-225-1

RTECS number:AL9325000

BRN number:1956100

PubChem number:24847718

Physical property data

1. Character:Solid crystal


2. Density (g/mL,25/4℃):1.053


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


4. Melting point (ºC): 64-66


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


6. Boiling point (ºC,1.33kPa):171-178


7. Refractive index: Undetermined


8. Flashpoint (ºC): 250


9. Specific optical rotation (º): Undetermined


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


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


12. Saturation 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/Log value of water) partition coefficient: undetermined


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


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


19. Solubility: Undetermined

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 49.07


2. Molar Volume (m3/mol）：163.6


3. Isotonic specific volume ( 90.2K):405.5


4. Surface Tension (dyne/cm):37.7


5. Polarizability（10-24cm3):19.45

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: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 42.2

7. Number of heavy atoms: 13

8. Surface charge: 0

9. Complexity: 196

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

This product should be kept sealed and dry.

Synthesis method

From o-dimethoxybenzene ([91-16-7]), via methyl chloride Derived from base and cyanide.

Purpose

Used as an intermediate in organic synthesis.

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]]> 1,3-diphenyl-1,1,3,3-tetramethyldisiloxane https://www.newtopchem.com/archives/49000 Tue, 21 May 2024 09:31:40 +0000 http://www.newtopchem.com/archives/49000 1,3-diphenyl-1,1,3,3-tetramethyldisiloxane Structural formula

Structural formula

Business number 017E
Molecular formula C16H22OSi2
Molecular weight 286.52
label

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane

Numbering system

CAS number:56-33-7

MDL number:None

EINECS number:200-265-4

RTECS number:JM9236000

BRN number:None

PubChem ID:None

Physical property data

None

Toxicological data

1, reproductive toxicity: oral administration to male rats TDLo: 700mg/kg7days before mating;

Ecological data

None

Molecular structure data

5. Molecular property data:


1. Molar refractive index: 89.23


2. Molar volume (m3/mol):293.3


3. isotonic specific volume (90.2K):678.1


4. Surface Tension (dyne/cm):28.5


5. Polarizability（10-24cm3): 35.37

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: 4

5. Number of tautomers: none

6. Topological molecule polar surface area 9.2

7. Number of heavy atoms: 19

8. Surface charge: 0

9. Complexity: 249

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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]]> 3,3′-diaminodipropylamine https://www.newtopchem.com/archives/48965 Mon, 20 May 2024 09:20:48 +0000 http://www.newtopchem.com/archives/48965 3,3'-diaminodipropylamine structural formula

Structural formula

Business number 017A
Molecular formula C6H17N3
Molecular weight 131.22
label

3,3′-Iminodipropylamine,

N-(3-Aminopropyl)-1,3-propanediamine,

Dipropylenetriamine,

Norspermidine,

(NH2CH2CH2CH2)2NH

Numbering system

CAS number:56-18-8

MDL number:MFCD00008214

EINECS number:200-261-2

RTECS number:JL9450000

BRN number:1071254

PubChem number:24896102

Physical property data

1. Characteristics: Colorless liquid.


2. Density ( g/mL,25/4℃) ：0.938


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


4. Melting point ( ºC): -14


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


6. Boiling point ( ºC, 6.67kPa): 151


7. Refractive index: 1.4810


8. Flash Point (ºC):118


9. Specific optical rotation (º): Undetermined


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


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


12. Saturation 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) partition coefficient pair Value: Undetermined


17. Explosion limit (%,V/V): Not OK


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


19. Solubility: soluble in water and polar organic solvents.

Toxicological data

1, skin or eyes Irritation: Rabbit, skin contact, open irritation test, 470mg, moderate reaction; Rabbit, eye contact, standard Draize test, 47mg, strong reaction
2, acute toxicity: rat oral LD50: 738mg /kg; Mouse oral administration LD50: 435mg/kg; Rabbit oral administration LD50: 210mg/kg; Rabbit, skin contact LD50: 110ul/kg；
Rat subcutaneous LDLo: 200mg/kg; guinea pig oral LD50 ：258mg/kg

Ecological data

None

Molecular structure data

5. Molecular property data:


1. Molar refractive index: 40.51


2.   Molar volume (m3 /mol):143.7


3. isotonic specific volume (90.2K):356.8


4. Surface Tension (dyne/cm):37.9


5. Polarizability（10-24cm3):16.06

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): -1.4

2. Number of hydrogen bond donors: 3

3. Number of hydrogen bond acceptors: 3

p>

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 64.1

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 41.6

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

None

Storage method

This product should be sealed and stored in a dry and dark place .

Synthesis method

None

Purpose

Affinity chromatography analysis of meta-amines. Intermediates for the manufacture of soap, dyes, rubber, and chemicals. Emulsifier. Pesticides and medicines.

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]]> 3,4-Dimethoxybenzoic acid https://www.newtopchem.com/archives/48910 Fri, 17 May 2024 07:39:49 +0000 http://www.newtopchem.com/archives/48910 3,4-dimethoxybenzoic acid structural formula

Structural formula

Business number 025Q
Molecular formula C9H10O4
Molecular weight 182.17
label

3,4-Dimethoxybenzoic acid,

veratrid acid,

3,4-dimethoxyformic acid,

3,4-Dimethoxybenzoic acid,

3,4-dimethoxybenzoic acid,

veratrumenoic acid,

3,4-Dimethylprotocatechuic acid

Numbering system

CAS number:93-07-2

MDL number:MFCD00002500

EINECS number:202-215-7

RTECS number:DG8598750

BRN number:518285

PubChem number:24893253

Physical property data

1. Character:Acicular or prismatic crystals. Odorless. Can sublimate (rhombus crystal)


2. Density (g/mL,25/4℃)： Undetermined


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


4. Melting point (ºC): 180～181℃ (anhydrous).


5. Boiling point (ºC,Normal pressure):272


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


7. Refractive index: undetermined


8. Flashpoint (ºC): Undetermined


9. Specific optical rotation (º): Undetermined


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/Log value of partition coefficient (water): undetermined


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


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


19. Solubility: Soluble in ether, benzene and carbon disulfide, slightly soluble in ethanol, almost insoluble in water.

Toxicological data

None

Ecological data

None

Molecular structure data

1. Molar refractive index: 46.53


2. Molar volume (m3/mol):149.9


3. isotonic specific volume (90.2K):382.7


4. Surface Tension (dyne/cm):42.4


5. Polarizability（10-24cm3):18.44

Compute chemical data

1 , Reference value for hydrophobic parameter calculation (XlogP): 1.6


2 , Number of hydrogen bond donors: 1


3 , Number of hydrogen bond acceptors: 4


4 , Number of rotatable chemical bonds: 3


5 , Number of tautomers:


6、 Topological molecular polar surface area ( TPSA): 55.8


7 , Number of heavy atoms: 13


8 , Surface charge: 0


9 , Complexity: 181


10 , Isotope atomic number: 0


11 , Determine the number of atomic stereocenters: 0


12 , Uncertain number of atomic stereocenters: 0


13 , Determine the number of stereocenters of chemical bonds: 0


14 , Uncertain number of chemical bond stereocenters: 0


15 , Number of covalent bond units: 1


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

For organic synthesis.

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]]> 3,4-dimethoxybenzyl alcohol https://www.newtopchem.com/archives/48878 Fri, 17 May 2024 06:59:07 +0000 http://www.newtopchem.com/archives/48878 3,4-dimethoxybenzyl alcohol structural formula

Structural formula

Business number 025M
Molecular formula C9H12O3
Molecular weight 168.19
label

3,4-dimethoxybenzyl alcohol,

veratryl alcohol,

Ververatrol,

3,4-Dimethoxyphenylmethyl alcohol,

(3,4-Dimethoxyphenyl)methanol

Numbering system

CAS number:93-03-8

MDL number:MFCD00004638

EINECS number:202-212-0

RTECS number:None

BRN number:639388

PubChem number:24893258

Physical property data

1. Properties: viscous oily liquid.

2. Density (g/mL, 25/4℃): 1.157

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

4. Melting point (ºC): Undetermined

5. Boiling point (ºC, normal pressure): 297

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

7. Refractive index: 1.5520

8. Flash point (ºC): >112

9. Specific rotation (º): Undetermined

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

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

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

19. Solubility: Soluble in organic solvents such as ethanol and ether.

Toxicological data

None

Ecological data

Water hazard level 1 (self-assessment via list) is slightly hazardous to water.

Do not allow undiluted or large amounts of product to come into contact with groundwater, waterways, or sewage systems.

Do not discharge materials into the surrounding environment without government permission.

Molecular structure data

1. Molar refractive index: 46.06

2. Molar volume (cm3/mol): 151.2

3. Isotonic specific volume (90.2K ): 374.1

4. Surface tension (dyne/cm): 37.4

5. Polarizability (10-24cm3): 18.26

Compute chemical data

1. Hydrophobic parameter calculation reference value (XlogP): 0.6

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Mutual Number of isomers:

6. Topological molecular polar surface area (TPSA): 38.7

7. Number of heavy atoms: 12

8. Surface charge : 0

9. Complexity: 127

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13. The number of determined chemical bond stereocenters: 0

14. The 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.

Synthesis method

None

Purpose

Used in organic synthesis as a protective group for guanosine residues in oligonucleotide synthesis.

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