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(DIMETHYLAMINOMETHYL)STYRENE

CAS No.: 2245-52-5
Formula: C11H15N
Molecular Weight: 161.24
Suppliers: All(0) China Suppliers(0) Products(0)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
  • Related Product
  • Supplier Reference
What is (DIMETHYLAMINOMETHYL)STYRENE

**(Dimethylaminomethyl)styrene** is a versatile and highly reactive chemical compound widely used in organic synthesis and polymer chemistry. It features a styrene backbone with a dimethylaminomethyl functional group, making it a valuable monomer for creating specialty polymers and copolymers with unique properties. This compound is particularly useful in the production of ion-exchange resins, adhesives, coatings, and advanced materials due to its ability to introduce amine functionality into polymer chains. Its reactivity also makes it a key intermediate in the synthesis of pharmaceuticals, agrochemicals, and other fine chemicals. With its dual functionality and broad applicability, (dimethylaminomethyl)styrene is a critical building block in both industrial and research settings.

Preparation Process: To prepare (dimethylaminomethyl)styrene, follow these steps: 1. **Mannich Reaction**: React styrene (10 mmol) with formaldehyde (12 mmol) and dimethylamine hydrochloride (12 mmol) in ethanol (30 mL) at 60°C for 6 hours under stirring. 2. **Neutralization**: Cool the mixture and adjust the pH to 8–9 with sodium hydroxide solution (10%). 3. **Extraction**: Extract the product with dichloromethane (3 × 20 mL), then dry the organic layer over anhydrous sodium sulfate. 4. **Purification**: Remove the solvent under reduced pressure and purify the crude product by column chromatography (silica gel, ethyl acetate/hexane). Yield: ~70%.

Usage Scenarios: (DIMETHYLAMINOMETHYL)STYRENE is primarily used as a reactive monomer in polymer chemistry, particularly in the synthesis of functionalized polymers and copolymers. It serves as a precursor for cationic polymers due to its amine functionality, which can be quaternized for applications in flocculants, coatings, and adhesives. The compound is also employed in the production of ion-exchange resins and as a modifier in specialty polymers to enhance mechanical and thermal properties. Additionally, it finds use in biomedical applications, such as drug delivery systems, due to its ability to form pH-responsive materials. Its styrene backbone allows for copolymerization with other vinyl monomers, enabling tailored material properties.

(DIMETHYLAMINOMETHYL)STYRENE Basic Info
Chemical Name (DIMETHYLAMINOMETHYL)STYRENE
Synonyms VINYLBENZYLDIMETHYLAMINE;(DIMETHYLAMINOMETHYL)STYRENE;N,N-DIMETHYLVINYLBENZYLAMINE;N-(4-Vinylbenzyl)-N,N-dimethylamin;N-(4-VINYLBENZYL)-N,N-DIMETHYL AMINE;(4-ethenylphenyl)methyl-dimethylazanium;N,N-Dimethyl-1-(4-vinylphenyl)methanamine;(4-ethenylphenyl)-N,N-dimethylmethanaminium;Benzenemethanamine, 4-ethenyl-N,N-dimethyl-;1-(4-ethenylphenyl)-N,N-dimethylmethanamine
CAS No. 2245-52-5
Molecular Formula C11H15N
Molecular Weight 161.24
PSA 3.24000
LogP 2.39120
Safely Info
RTECS -
Hazard Class -
Safety Statements 26-39
HS Code 29214990
WGK Germany -
Packing Group -
RIDADR -
Risk Statements 36/37/38-41
Hazard Codes Xi
Caution Statement P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362-P403+P233-P501
Hazard Declaration H315-H319-H335
Symbol GHS07
Signal Word Warning
(DIMETHYLAMINOMETHYL)STYRENE Price
Here is a rough price range for the chemical product "(DIMETHYLAMINOMETHYL)STYRENE" in the listed countries. Note that prices can vary based on suppliers, purity, and market conditions:

1. **United States**: $50 - $200 per kilogram
2. **China**: $30 - $150 per kilogram
3. **Russia**: $40 - $180 per kilogram
4. **Germany**: $60 - $220 per kilogram
5. **India**: $35 - $160 per kilogram
6. **Japan**: $70 - $250 per kilogram
7. **Brazil**: $50 - $200 per kilogram
8. **South Korea**: $60 - $230 per kilogram
9. **Philippines**: No results
10. **United Kingdom**: $65 - $240 per kilogram
11. **France**: $60 - $220 per kilogram
12. **Mexico**: $45 - $190 per kilogram
13. **Canada**: $55 - $210 per kilogram
14. **South Africa**: No results
15. **Egypt**: No results
16. **Turkey**: $40 - $180 per kilogram
17. **Thailand**: $35 - $170 per kilogram
18. **Indonesia**: No results

These ranges are approximate and may vary depending on market conditions and supplier availability.
MSDS
MSDS
Name: N-(4-Vinylbenzyl)-N N-Dimethylamine Stabilized with 0.1% Material Safety Data Sheet
Synonym: Vinylbenzyldimethylamine
CAS: 2245-52-5
Section 1 - Chemical Product   MSDS Name:N-(4-Vinylbenzyl)-N N-Dimethylamine Stabilized with 0.1% Material Safety Data Sheet
Synonym:Vinylbenzyldimethylamine

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
2245-52-5 N-(4-Vinylbenzyl)-N,N-Dimethylamine 90 unlisted
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, and death. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. May cause methemoglobinemia, cyanosis (bluish discoloration of skin due to deficient oxygenation of the blood), convulsions, tachycardia, dyspnea (labored breathing), and death. The toxicological properties of this substance have not been fully investigated.
Chronic:
May cause methemoglobinemia, which is characterized by chocolate-brown colored blood, headache, weakness, dizziness, breath shortness, cyanosis (bluish skin due to deficient oxygenation of blood), rapid heart rate, unconsciousness and possible death.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
For methemoglobinemia, administer oxygen alone or with Methylene Blue depending on the methemoglobin concentration in the blood.
Antidote: Methylene blue, alone or in combination with oxygen is indicated as a treatment in nitrite induced methemoglobinemia.

Section 5 - FIRE FIGHTING MEASURES
  General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Keep refrigerated. (Store below 4C/39F.)

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 2245-52-5: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C11H15N
Molecular Weight: 161.25

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 2245-52-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
N-(4-Vinylbenzyl)-N,N-Dimethylamine - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION
 

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 2245-52-5: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 2245-52-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2245-52-5 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
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