4-Bromo-1-Butene
Synonyms: 3-Butenyl bromide · 1-Butene, 4-bromo- · 1-Bromo-3-butene · Homoallyl bromide
4-Bromo-1-Butene (CAS 5162-44-7) – Phenothiazine impurity standard. C4H7Br, MW 135.0. Buy from Vaqora Chemicals with COA and worldwide shipping.
About 4-Bromo-1-Butene
Listed under CAS 5162-44-7, 4-Bromo-1-Butene is an impurity of Phenothiazine available from Vaqora Chemicals. With the molecular formula C4H7Br, it has a molar mass of 135.0 g/mol. Its systematic (IUPAC) name is 4-bromobut-1-ene. Common synonyms include 3-Butenyl bromide and 1-Butene, 4-bromo-.
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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.
As a characterised impurity of Phenothiazine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.
We offer 4-Bromo-1-Butene in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
View every impurity, metabolite and intermediate we list for Phenothiazine.
Phenothiazine impuritiesSpecifications & identifiers
| Product name | 4-Bromo-1-Butene |
|---|---|
| Catalogue No. | VQ-032571 |
| CAS Number | 5162-44-7 |
| IUPAC name | 4-bromobut-1-ene |
| Molecular formula | C4H7Br |
| Molecular weight | 135 g/mol |
| Exact mass | 133.9731 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | DMAYBPBPEUFIHJ-UHFFFAOYSA-N |
| SMILES | C=CCCBr |
| PubChem CID | 21241 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 2.1 |
| H-bond donors / acceptors | 0 / 0 |
| TPSA | 0 Ų |
| Synonyms | 3-Butenyl bromide, 1-Butene, 4-bromo-, 1-Bromo-3-butene, Homoallyl bromide, 4-Bromobutene, 4-bromo-but-1-ene, 4-bromo-1-buten, 4-bromobuten, 3-butenylbromide, 4-bromo-butene, 4-bromo-l-butene |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H225Highly flammable liquid and vaporH317May cause an allergic skin reactionH319Causes serious eye irritationH334May cause allergy or asthma symptoms or breathing difficulties if inhaledH335May cause respiratory irritation
Precautionary statements: P210, P233, P240, P241, P242, P243, P260, P261, P264 + P265, P271, P272, P280, P284, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P370 + P378
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 4-Bromo-1-Butene?
The CAS Registry Number of 4-Bromo-1-Butene is 5162-44-7. It is also known as 3-Butenyl bromide, 1-Butene, 4-bromo-, 1-Bromo-3-butene.
What is the molecular formula and molecular weight of 4-Bromo-1-Butene?
4-Bromo-1-Butene has the molecular formula C4H7Br and a molecular weight of 135 g/mol. Its IUPAC name is 4-bromobut-1-ene.
What is 4-Bromo-1-Butene used for?
4-Bromo-1-Butene is supplied as a characterised reference material related to Phenothiazine. 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 4-Bromo-1-Butene can I order?
We supply 4-Bromo-1-Butene in Reference Standard grade, 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 4-Bromo-1-Butene?
Yes. Every lot of 4-Bromo-1-Butene 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 4-Bromo-1-Butene be shipped internationally?
Yes. 4-Bromo-1-Butene 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.
Enquire about 4-Bromo-1-Butene
We reply within one business day with price, pack options, lead time and documentation.