Para-Alpha-Dimethyl Styrene

Name: Para-Alpha-Dimethyl Styrene
Brand: Vaqora Chemicals
SKU: VQ-040625

About Para-Alpha-Dimethyl Styrene

Para-Alpha-Dimethyl Styrene is a process intermediate or related compound of Styrene carrying the CAS registry number 1195-32-0. Its molecular formula is C10H12 and its molecular weight is 132.2 g/mol. The IUPAC name is 1-methyl-4-prop-1-en-2-ylbenzene. Alternative names: Dehydro-p-cymene and 2-P-Tolylpropene.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

It is a process intermediate or related compound in the synthesis of Styrene, useful for route development, impurity fate-and-purge studies and analytical method development. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Para-Alpha-Dimethyl Styrene is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Styrene

View every impurity, metabolite and intermediate we list for Styrene.

Styrene impurities

Specifications & identifiers

Chemical identifiers
Product name	Para-Alpha-Dimethyl Styrene
Catalogue No.	VQ-040625
CAS Number	1195-32-0
IUPAC name	1-methyl-4-prop-1-en-2-ylbenzene
Molecular formula	C₁₀H₁₂
Molecular weight	132.2 g/mol
Exact mass	132.0939
InChIKey	MMSLOZQEMPDGPI-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)C(=C)C
PubChem CID	62385

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	Dehydro-p-cymene, 2-P-Tolylpropene, p-cymenene, p,alpha-Dimethylstyrene, 1-Methyl-4-isopropenylbenzene, p-alpha-Dimethylstyrene, 4-Methylisopropenylbenzene, 2-(P-Methylphenyl)propene, Isopropenyltoluene, p-, p-alpha-Dimethyl styrene, 1-Isopropenyl-4-methylbenzene

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H304May be fatal if swallowed and enters airways

Precautionary statements: P301 + P316, P331, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Para-Alpha-Dimethyl Styrene?

The CAS Registry Number of Para-Alpha-Dimethyl Styrene is 1195-32-0. It is also known as Dehydro-p-cymene, 2-P-Tolylpropene, p-cymenene.

What is the molecular formula and molecular weight of Para-Alpha-Dimethyl Styrene?

Para-Alpha-Dimethyl Styrene has the molecular formula C10H12 and a molecular weight of 132.2 g/mol. Its IUPAC name is 1-methyl-4-prop-1-en-2-ylbenzene.

What is Para-Alpha-Dimethyl Styrene used for?

Para-Alpha-Dimethyl Styrene is supplied as a characterised reference material related to Styrene. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Para-Alpha-Dimethyl Styrene can I order?

We supply Para-Alpha-Dimethyl Styrene, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Para-Alpha-Dimethyl Styrene?

Yes. Every lot of Para-Alpha-Dimethyl Styrene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Para-Alpha-Dimethyl Styrene be shipped internationally?

Yes. Para-Alpha-Dimethyl Styrene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.