Bis-MSB, for scintillation, 99%

Name: Bis-MSB, for scintillation, 99%
Brand: Vaqora Chemicals
SKU: VQ-000021

About Bis-MSB, for scintillation, 99%

Listed under CAS 13280-61-0, Bis-MSB is an analytical reagent available from Vaqora Chemicals in Scintillation grade with a typical assay of ≥99%. Its molecular formula is C24H22 and its molecular weight is 310.4 g/mol. The IUPAC name is 1,4-bis[2-(2-methylphenyl)ethenyl]benzene. Common synonyms include 1,4-Bis(2-methylstyryl)benzene and p-Bis(o-methylstyryl)benzene.

The material typically appears as light yellow to amber to dark green powder or crystals. Literature values give a melting point of 180-182 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for fine chemical synthesis and laboratory analysis. Typical end-use sectors are academic and industrial research.

We offer Bis-MSB in 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Fine chemical synthesis
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Bis-MSB, for scintillation, 99%
Catalogue No.	VQ-000021
CAS Number	13280-61-0
IUPAC name	1,4-bis[2-(2-methylphenyl)ethenyl]benzene
Molecular formula	C₂₄H₂₂
Molecular weight	310.4 g/mol
Exact mass	310.1722
Grade	Scintillation
Purity / assay	≥99%
HSN code	29029090
InChIKey	QKLPIYTUUFFRLV-UHFFFAOYSA-N
SMILES	CC1=CC=CC=C1C=CC2=CC=C(C=C2)C=CC3=CC=CC=C3C
PubChem CID	94347

Physical properties
Physical form	Crystalline
Appearance	Light yellow to amber to dark green powder or crystals
Melting point	180-182 °C
LogP (XLogP3)	7.2
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	1,4-Bis(2-methylstyryl)benzene, p-Bis(o-methylstyryl)benzene, 4-Bis(2-methylstyryl)benzene, Benzene, 1,4-bis[2-(2-methylphenyl)ethenyl]-, Benzene, 1,4-bis(2-(2-methylphenyl)ethenyl)-, 1,4-bis[2-(o-tolyl)vinyl]benzene, 1,4-Bis(4-methyl-alpha-styryl)benzene, 2,2'-Dimethyldistyrylbenzol, 1,4-Di-(2-methylstyryl)benzene, (1,4-bis[2-methylstyryl]benzene), p-bis-(o-METHYLSTYRYL) BENZENE, 1,1'-[1,4-Phenylenedi(ethene-2,1-diyl)]bis(2-methylbenzene)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P304 + P340, P305 + P351 + P338, P319, P330, P337 + P317, P403 + P233, 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 Bis-MSB, for scintillation, 99%?

The CAS Registry Number of Bis-MSB, for scintillation, 99% is 13280-61-0. It is also known as 1,4-Bis(2-methylstyryl)benzene, p-Bis(o-methylstyryl)benzene, 4-Bis(2-methylstyryl)benzene.

What is the molecular formula and molecular weight of Bis-MSB, for scintillation, 99%?

Bis-MSB, for scintillation, 99% has the molecular formula C24H22 and a molecular weight of 310.4 g/mol. Its IUPAC name is 1,4-bis[2-(2-methylphenyl)ethenyl]benzene.

Which grade and pack sizes of Bis-MSB, for scintillation, 99% can I order?

We supply Bis-MSB, for scintillation, 99% in Scintillation (≥99%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Bis-MSB, for scintillation, 99%?

Yes. Every lot of Bis-MSB, for scintillation, 99% 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 Bis-MSB, for scintillation, 99% be shipped internationally?

Yes. Bis-MSB, for scintillation, 99% 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.