Products Description
The substance corresponding to CAS 3775-90-4 is 2-(tert-Butylamino)ethyl methacrylate, also known as 2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester and TBAEMA. It has a molecular formula of C₁₀H₁₉NO₂, a molecular weight of 185.30, and an EINECS number of 223-228-4.
This compound, 2-(tert-Butylamino)ethyl methacrylate, is a colorless, transparent liquid with a density of 0.914g/cm³ (20°C), a refractive index of 1.442 (20°C), a boiling point of 248°C at 760mmHg, and a flash point of 103.8°C.


Basic Info
| Product Name | 2-(tert-Butylamino)ethyl methacrylate |
| CAS | 3775-90-4 |
| MF | C10H19NO2 |
| MW | 185.26 |
| EINECS | 223-228-4 |
| Melting point | 100~105ºC/12 mm |
| Boiling point | 82 °C10 mm Hg(lit.) |
| Density | 0.914 g/mL at 25 °C(lit.) |
| Vapor pressure | 6Pa at 20ºC |
| Refractive index | n20/D 1.442(lit.) |
| Fp | 160 °F |
Safety Information
Dangerous Goods Symbol
Xi - Irritant
Risk Phrases
R36/38 - Irritating to eyes and skin.
R43 - May cause sensitization by skin contact.
Safety Phrases
26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
![CAS 3775-90-4 | 2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester CAS 3775-90-4 | 2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester](/uploads/40900/products/p2025022017431673cb1.jpg?size=800x0)
Uses
2-(tert-Butylamino)ethyl methacrylate can be polymerized with other monomers to form high molecular polymers, which are used in the flocculation process in water treatment. The formed polymers have active groups such as tert-butylamino groups, which can aggregate suspended particles, colloids and other impurities in water to form larger flocs through charge neutralization, adsorption bridging and other effects, thereby accelerating precipitation, achieving solid-liquid separation, and achieving the purpose of purifying water quality. It can effectively remove pollutants such as turbidity, organic matter, and heavy metal ions in water.
Company Profile
Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our products are widely exported to many countries, such as the United States, Russia, Canada, Australia, Europe, etc., and we provide customers with fast shipping services. We hope to establish long-term and mutually beneficial cooperation with more friends in the future, and provide the best products and services for our customers.
Contact Us
Tel: +86-372-5055135
Mob: +86-13673325456
Email: sales@gneebio.com



![2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester 2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester](/uploads/40900/products/p20250219091740c2e5c.jpg?size=800x0)
FAQ
Can your company accept customisation and meet customers' special specifications?
Yes, we can.
What are your payment terms?
Wire transfer, paypal, western union, money order and bitcoin.
What is your delivery time?
We usually ship within 1-3 days after receiving your payment.
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![Clear Liquid 2-Methyl-2-propenoic acid 2-[(1,1-dimethylethyl)amino]ethyl ester For Water Treatment Processes CAS 3775-90-4](/uploads/40900/clear-liquid-2-tert-butylamino-ethylc9d94.jpg)



