1-ethenyl-2,4,5-trimethylbenzene, also known as α-ethyl-2,4,5-trimethylstyrene, is an organic compound with the chemical formula C11H14. It is a colorless liquid with a strong aromatic odor. This molecule consists of a benzene ring with three methyl groups attached to the 2nd, 4th, and 5th carbon atoms, and an ethyl group (-CH2CH3) attached to the 1st carbon atom. It is synthesized by the alkylation of styrene with propene and is used as an intermediate in the production of various chemicals, such as polymers and resins. Due to its reactive nature, it is important to handle 1-ethenyl-2,4,5-trimethylbenzene with care, as it can be harmful if inhaled or absorbed through the skin.

3937-24-4

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Basic information
1. Product Name: 1-ethenyl-2,4,5-trimethylbenzene
2. Synonyms: 1,2,4-Trimethyl-5-vinylbenzene; 2,4,5-trimethylstyrene; benzene, 1-ethenyl-2,4,5-trimethyl-
3. CAS NO:3937-24-4
4. Molecular Formula: C₁₁H₁₄
5. Molecular Weight: 146.2289
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 214.6°C at 760 mmHg
3. Flash Point: 76.7°C
4. Appearance: N/A
5. Density: 0.89g/cm³
6. Vapor Pressure: 0.226mmHg at 25°C
7. Refractive Index: 1.541
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: 1-ethenyl-2,4,5-trimethylbenzene(CAS DataBase Reference)
11. NIST Chemistry Reference: 1-ethenyl-2,4,5-trimethylbenzene(3937-24-4)
12. EPA Substance Registry System: 1-ethenyl-2,4,5-trimethylbenzene(3937-24-4)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 3937-24-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3937-24-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,3 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3937-24:
(6*3)+(5*9)+(4*3)+(3*7)+(2*2)+(1*4)=104
104 % 10 = 4
So 3937-24-4 is a valid CAS Registry Number.

3937-24-4Upstream product

3937-24-4Downstream Products

17851-27-3 1-ethyl-2,4,5-trimethylbenzene

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