Methyl 4-Bromocrotonate

About Methyl 4-Bromocrotonate

Methyl 4-Bromocrotonate is an ester carrying the CAS registry number 6000-00-6. Formula C5H7BrO2, molecular weight 179.01 g/mol. Systematically, it is named methyl (E)-4-bromobut-2-enoate. It is also known as (2E)-4-Bromo-2-butenoic acid methyl ester or (E)-4-Bromobut-2-enoic acid methyl ester.

Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Methyl 4-Bromocrotonate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl 4-Bromocrotonate
Catalogue No.	VQ-008879
CAS Number	6000-00-6
IUPAC name	methyl (E)-4-bromobut-2-enoate
Molecular formula	C₅H₇BrO₂
Molecular weight	179.01 g/mol
Exact mass	177.9629
Grade	Reference Standard
InChIKey	RWIKCBHOVNDESJ-NSCUHMNNSA-N
SMILES	COC(=O)/C=C/CBr
PubChem CID	5369175

Physical properties
Physical form	Other
LogP (XLogP3)	1.1
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	(2E)-4-Bromo-2-butenoic acid methyl ester, (E)-4-Bromobut-2-enoic acid methyl ester, (E)-Methyl 4-bromobut-2-enoate, (E)-Methyl 4-bromocrotonate Methyl, (E)-4-bromo-2-butenoate, Methyl trans-4-bromo-2-butenoate, Methyl trans-4-bromocrotonate, trans-4-Bromobut-2-enoic acid methyl ester, Methyl 4-bromo-2-butenoate, Methyl gamma-bromocrotonate, 2-Butenoic acid, 4-bromo-, methyl ester, Methyl (2E)-4-bromo-2-butenoate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P321, P332 + P317, P362 + P364, P363, 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 Methyl 4-Bromocrotonate?

The CAS Registry Number of Methyl 4-Bromocrotonate is 6000-00-6. It is also known as (2E)-4-Bromo-2-butenoic acid methyl ester, (E)-4-Bromobut-2-enoic acid methyl ester, (E)-Methyl 4-bromobut-2-enoate.

What is the molecular formula and molecular weight of Methyl 4-Bromocrotonate?

Methyl 4-Bromocrotonate has the molecular formula C5H7BrO2 and a molecular weight of 179.01 g/mol. Its IUPAC name is methyl (E)-4-bromobut-2-enoate.

Which grade and pack sizes of Methyl 4-Bromocrotonate can I order?

We supply Methyl 4-Bromocrotonate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl 4-Bromocrotonate?

Yes. Every lot of Methyl 4-Bromocrotonate 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 Methyl 4-Bromocrotonate be shipped internationally?

Yes. Methyl 4-Bromocrotonate 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.