Dibromomethane

CAS 74-95-3CH2Br2Chemical Synthesis

Dibromomethane (CAS: 74-95-3, Formula: CH2Br2, Molar Mass: 173.83 g/mol) is a dense, volatile halogenated hydrocarbon. It serves as a versatile reagent and building block in organic synthesis. Its applications span the creation of various organic compounds and intermediates. Dibromomethane is a valuable chemical for research and industrial chemical processes requiring a brominating agent or a specific solvent.

IUPAC: Methylene bromide
Synonyms: Methylene bromide

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Dibromomethane (CH2Br2) — chemical structure, CAS 74-95-3; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkylBuilding BlocksChemical SynthesisHalogenated HydrocarbonsOrganic Building Blocks

01 /Applications

Organic Synthesis Intermediate

Dibromomethane functions as a key intermediate in the synthesis of various organic compounds. It is employed in reactions where the introduction of methylene groups or bromine atoms is required.

Building Block for Heterocycles

This compound is utilized as a building block for the construction of complex heterocyclic structures. Its reactivity allows for diverse synthetic pathways in medicinal chemistry and materials science.

Reagent in Organic Reactions

Dibromomethane acts as a reagent in specific organic transformations. It is particularly useful in cyclisation reactions and for the preparation of other organobromine compounds.

02 /Properties

Molecular weight	173.83
Empirical formula	CH2Br2
Assay	≥98.5% (GC)
Boiling point	96-98 °C(lit.)
Density	2.477 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.541(lit.)n20/D 1.541
Vapour pressure	34.9 mmHg (20 °C)
Melting point	−52 °C(lit.)
Vapour density	6.05 (vs air)

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H332Harmful if inhaled
H412Harmful to aquatic life with long-lasting effects

Precautionary statements

P273Avoid release to the environment

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Transport (UN / ADR)	UN 2664 6.1 / PGIII
Water hazard class (WGK, DE)	2
Hazard codes (EU)	Xn
Risk statements (R)	20-52/53
Safety statements (S)	24-61

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

74-95-3

MDL number

MFCD00000168

PubChem substance

24884902

Beilstein registry

969143

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Dibromomethane used for?

Dibromomethane is used as an intermediate and building block in organic synthesis, particularly for creating heterocyclic compounds and introducing methylene groups or bromine atoms in chemical reactions.

What are the CAS number and formula for Dibromomethane?

The CAS number for Dibromomethane is 74-95-3, and its chemical formula is CH2Br2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dibromomethane with an assay of ≥98.5% (GC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.

How should Dibromomethane be handled safely?

Dibromomethane is classified with GHS07 and carries the signal word 'Warning'. It has hazard statements H332 (Harmful if inhaled) and H412 (Harmful to aquatic life with long lasting effects). Appropriate personal protective equipment includes eyeshields, face shields, and suitable respiratory protection like a full-face respirator or an ABEK filter. Handle in a well-ventilated area and prevent release into the environment (P273).

How is Dibromomethane packed and exported?

Dibromomethane is packed and exported in compliance with UN 2664 regulations, classified under hazard class 6.1 with Packing Group III. TSS ensures adherence to international shipping standards for chemical exports.

How can I request a sample or quote for Dibromomethane?

To request a sample or a quote for Dibromomethane, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.