1-Bromoethyl Acetate

About 1-Bromoethyl Acetate

1-Bromoethyl Acetate is an impurity of Theophylline carrying the CAS registry number 40258-78-4. With the molecular formula C4H7BrO2, it has a molar mass of 167.0 g/mol. Alternative names: 1-bromoethanol, acetate and Ethanol, 1-bromo-, 1-acetate.

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. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Theophylline, 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 1-Bromoethyl Acetate 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

Related to Theophylline

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

Theophylline impurities

Specifications & identifiers

Chemical identifiers
Product name	1-Bromoethyl Acetate
Catalogue No.	VQ-039155
CAS Number	40258-78-4
IUPAC name	1-bromoethyl acetate
Molecular formula	C₄H₇BrO₂
Molecular weight	167 g/mol
Exact mass	165.9629
Grade	Reference Standard
HSN code	38229090
InChIKey	IIASCQBFNHWZBE-UHFFFAOYSA-N
SMILES	CC(OC(=O)C)Br
PubChem CID	11137505

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	1-bromoethanol, acetate, Ethanol, 1-bromo-, 1-acetate, 1-Acetoxyethyl Bromide, 1-(acetoxy)ethyl bromide, Acetic acid 1-bromo-ethyl ester, 1-acetoxy-1-ethyl bromide, (RS)-1-Acetoxyethylbromide, (RS) 1-acetoxyethyl bromide, (RS)-1-Acetoxyethyl Bromide

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Warning

Hazard statements

H226Flammable liquid and vapor
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P271, P280, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P233, P403 + P235, P405

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 1-Bromoethyl Acetate?

The CAS Registry Number of 1-Bromoethyl Acetate is 40258-78-4. It is also known as 1-bromoethanol, acetate, Ethanol, 1-bromo-, 1-acetate, 1-Acetoxyethyl Bromide.

What is the molecular formula and molecular weight of 1-Bromoethyl Acetate?

1-Bromoethyl Acetate has the molecular formula C4H7BrO2 and a molecular weight of 167 g/mol. Its IUPAC name is 1-bromoethyl acetate.

What is 1-Bromoethyl Acetate used for?

1-Bromoethyl Acetate is supplied as a characterised reference material related to Theophylline. 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 1-Bromoethyl Acetate can I order?

We supply 1-Bromoethyl Acetate 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 1-Bromoethyl Acetate?

Yes. Every lot of 1-Bromoethyl Acetate 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 1-Bromoethyl Acetate be shipped internationally?

Yes. 1-Bromoethyl Acetate 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.