Dibromomethane

Product Name: Dibromomethane
CAS No.: 74-95-3
Chemical Name: Dibromomethane
Synonyms: DBM;CH2Br2;METHYLENE BROMIDE;1,1-dibroMoMethane;Dibrommethan;DIBROMOMETHANE;dibromo-methan;methane,dibromo;Methane,dibromo-;Dibromomethane >
CBNumber: CB7854206
Molecular Formula: CH2Br2
Formula Weight: 173.83
MOL File: 74-95-3.mol

More

Less

Dibromomethane Property

Melting point:: -52 °C
Boiling point:: 96-98 °C(lit.)
Density: 2.477 g/mL at 25 °C(lit.)
vapor density: 6.05 (vs air)
vapor pressure: 34.9 mm Hg ( 20 °C)
refractive index: n20/D 1.541(lit.)
Flash point:: 96-98°C
storage temp.: Store below +30°C.
solubility: 11.7g/l
form: Liquid
color: Clear colorless to slightly brown
Water Solubility: 0.1 g/100 mL (20 ºC)
Merck: 14,6061
BRN: 969143
Dielectric constant: 6.7（10℃）
Stability:: Stable. Incompatible with strong oxidizing agents, aluminium, magnesium. Reacts violently with potassium.
CAS DataBase Reference: 74-95-3(CAS DataBase Reference)
NIST Chemistry Reference: Methane, dibromo-(74-95-3)
EPA Substance Registry System: Dibromomethane (74-95-3)

More

Less

Safety

Hazard Codes: Xn,T,F
Risk Statements: 20-52/53-39/23/24/25-23/24/25-11
Safety Statements: 24-61-45-36/37-16-7
RIDADR: UN 2664 6.1/PG 3
WGK Germany: 2
RTECS: PA7350000
TSCA: Yes
HS Code: 2903 39 15
HazardClass: 6.1
PackingGroup: III
Hazardous Substances Data: 74-95-3(Hazardous Substances Data)
Toxicity: LD50 orally in Rabbit: 108 mg/kg LD50 dermal Rabbit > 4000 mg/kg

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P501Dispose of contents/container to..…

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: D41686
Product name: Dibromomethane
Purity: 99%
Packaging: 500ml
Price: $95.6
Updated: 2024/03/01

Sigma-Aldrich

Product number: SAB2502029
Product name: Anti-DBH antibody produced in goat
Purity: affinity isolated antibody, buffered aqueous solution
Packaging: 100μG
Price: $568
Updated: 2024/03/01

Sigma-Aldrich

Product number: D41686
Product name: Dibromomethane
Purity: 99%
Packaging: 2l
Price: $280
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.10278
Product name: Dibromomethane
Purity: (stabilised) for synthesis
Packaging: 100mL
Price: $40.3
Updated: 2024/03/01

Sigma-Aldrich

Product number: 8.10278
Product name: Dibromomethane
Purity: (stabilised) for synthesis
Packaging: 250ML
Price: $71.9
Updated: 2024/03/01

More

Less

Dibromomethane Chemical Properties,Usage,Production

Description

Dibromomethane is a member of the class of bromomethanes that is methane substituted by two bromo groups. It is produced by marine algae. It has a role as a marine metabolite and an algal metabolite. It is a member of bromomethanes and a bromohydrocarbon.

Chemical Properties

colourless liquid

Chemical Properties

Dibromomethane is a colorless liquid with a sweet, pleasant odor.

Uses

Organic synthesis, solvent.

Uses

Dibromomethane is used as solvent in organic synthesis. It acts as an intermediate in the manufacture of specialty chemicals, agrochemicals and pharmaceuticals. It is useful as extractant and utilized for the determination of 5-nitroimidazoles (5-NDZ) in environmental waters. It is involved in the convertion of catechols to their methylenedioxy derivatives.

Definition

ChEBI: A member of the class of bromomethanes that is methane substituted by two bromo groups. It is produced by marine algae.

General Description

A colorless liquid with a pleasant odor. Insoluble in water and denser than water. May be toxic by ingestion. Used as a solvent and as a motor fuel.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Halogenated aliphatic compounds, such as Dibromomethane, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Low molecular weight haloalkanes are highly flammable and can react with some metals to form dangerous products. Materials in this group are incompatible with strong oxidizing and reducing agents. Also, they are incompatible with many amines, nitrides, azo/diazo compounds, alkali metals (potassium), and epoxides.

Health Hazard

INHALATION: Anesthetic effects, nausea and drunkenness. CONTACT WITH SKIN AND EYES: Skin irritation of eyes and nose.

Fire Hazard

Special Hazards of Combustion Products: Dissociation products generated in a fire may be irritating or toxic.

Toxicology

A poison. Moderately toxic by subcutaneous route. Mdly toxic by inhalation. Mutation data reported. mxtures with potassium explode on light impact. When heated to decomposition it emits toxic fumes of Br-. See also BROMIDES

Hazard

In laboratory studies, animals experienced CNS depression at 2400-2800 ppm and liver and kidney damage after repeated exposures to 1000 ppm. Dichloromethane rarely causes hepatotoxicity unless exposure is extremely heavy or agent ingested. If left on clothes, it may cause reddening of skin; may have effects on the nervous system and blood, causing impaired functions, carboxyhemoglobinemia, and lowering of consciousness; chronic exposure may cause liver and kidney effects; an irritant; harmful by inhalation; a simple asphyxiant; may cause blood disorders, cardiac irregularities, and CNS depression;

Synthesis

Dibromomethane is synthesized commercially from dichloromethane via bromochloromethane:
6 CH₂Cl₂ + 3 Br₂ + 2 Al → 6 CH₂BrCl + 2 AlCl₃CH₂Cl₂ + HBr → CH₂BrCl + HCl
The latter route requires aluminium trichloride as a catalyst. The bromochloromethane product from either reaction can further react in a similar manner:
6 CH₂BrCl + 3 Br₂ + 2 Al → 6 CH₂Br₂ + 2 AlCl₃CH₂BrCl + HBr → CH₂Br₂ + HCl
In the laboratory, it is synthesized from bromoform:
CHBr3 + Na₃AsO₃ + NaOH → CH₂Br₂ + Na₃AsO₄ + NaBr
using sodium arsenite and sodium hydroxide.
Another way is to synthesize it from diiodomethane and bromine.

Potential Exposure

Methylene bromide is used as a solvent and as a chemical intermediate.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Seek medical attention immediately. Ifthis chemical has been inhaled, remove from exposure,begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give large quantities of water and inducevomiting. Do not make an unconscious person vomit

storage

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with thischemical you should be trained on its proper handling andstorage. Store in tightly closed container in a well-ventilatedarea away from potential high heat sources. Where possible,automatically pump liquid from drums or other storage containers to process containers.

Shipping

UN2664 Dibromomethane, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Incompatibilities

Mixture with potassium forms a shocksensitive explosive. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, sodium amide, strong acids, strong bases, alkaline earth metals, aluminum, magnesium. The substance decomposes on contact with hot surfaces producing hydrogen bromide

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform to EPA regulations governing storage, transportation, treatment, and waste disposal

Dibromomethane Preparation Products And Raw materials

Raw materials

Bromochloromethane Dichloromethane Bromoform

Preparation Products

Nysted Reagent 3-ISOPROPENYL-ALPHA,ALPHA-DIMETHYLBENZYL ISOCYANATE FOSTHIETAN (1R-cis)-3-(2,2-dibromoethenyl)-2,2-dimethylcyclopropane carboxylic acid Myclobutanil 2,3-(METHYLENEDIOXY)BENZALDEHYDE BENZO[1,3]DIOXOLE-5-SULFONYL CHLORIDE A-(BROMOMETHYL)-A-BUTYL4-CHLOROBENZENEACETONITRILE VINYLCYCLOHEXANE Decabromodiphenyl oxide

More

Less

Dibromomethane Suppliers

Americas 1 Belgium 1 China 224 Europe 3 France 2 Germany 6 India 9 Israel 1 Japan 5 Russia 1 Slovakia 1 Switzerland 1 Ukraine 1 United Kingdom 7 United States 31 Global 294

Aladdin Scientific

Tel: +1-+1(833)-552-7181
Email: sales@aladdinsci.com
Country: United States
ProdList: 57505
Advantage: 58

Miles Chemical

Tel: --
Fax: --
Email: cs@mileschemical.com
Country: United States
ProdList: 402
Advantage: 58

BromOrganics Corporation

Tel: --
Fax: --
Email: sales@bromorganics.com
Country: United States
ProdList: 1065
Advantage: 58

Combi-Blocks Inc.

Tel: --
Fax: --
Email: sales@combi-blocks.com
Country: United States
ProdList: 6618
Advantage: 69

Riedel-de Haen AG

Tel: --
Fax: --
Country: United States
ProdList: 6773
Advantage: 87

TCI America

Tel: --
Fax: --
Email: sales@tciamerica.com
Country: United States
ProdList: 6909
Advantage: 75

Matrix Scientific

Tel: --
Fax: --
Email: sales@matrixscientific.com
Country: United States
ProdList: 6632
Advantage: 80

Alfa Chemistry

Tel: --
Fax: --
Email: info@Alfa-Chemistry.com
Country: United States
ProdList: 6814
Advantage: 0

AccuStandard Inc

Tel: --
Fax: --
Email: info@bester.nl
Country: United States
ProdList: 5300
Advantage: 76

Morre-Tec Industries, Inc.

Tel: --
Fax: --
Email: sales@morretec.com
Country: United States
ProdList: 169
Advantage: 64

Ring Specialty Chemicals Inc.

Tel: --
Fax: --
Email: info@ringchemicals.com
Country: United States
ProdList: 888
Advantage: 39

Waterstone Technology, LLC

Tel: --
Fax: --
Email: sales@waterstonetech.com
Country: United States
ProdList: 6786
Advantage: 30

ChemService Inc.

Tel: --
Fax: --
Country: United States
ProdList: 6379
Advantage: 68

Alfa Aesar

Tel: --
Fax: --
Email: tech@alfa.com
Country: United States
ProdList: 6814
Advantage: 81

HONEST JOY HOLDINGS LIMITED

Tel: --
Fax: --
Email: sales@honestjoy.cn
Country: United States
ProdList: 6675
Advantage: 54

Advance Scientific & Chemical

Tel: --
Fax: --
Email: sales@advance-scientific.com
Country: United States
ProdList: 6419
Advantage: 71

2A PharmaChem USA

Tel: --
Fax: --
Email: sales@2apharmachem.com
Country: United States
ProdList: 6137
Advantage: 39

City Chemical LLC

Tel: --
Fax: --
Email: sales@citychemical.com
Country: United States
ProdList: 6708
Advantage: 72

3B Scientific Corporation

Tel: --
Fax: --
Email: sales@3bsc.com
Country: United States
ProdList: 6718
Advantage: 47

Sciencelab.com, Inc.

Tel: --
Fax: --
Email: accounting@sciencelab.com
Country: United States
ProdList: 4159
Advantage: 82

Spectrum Chemicals & Laboratory Products

Tel: --
Fax: --
Email: sales@spectrumchemical.com
Country: United States
ProdList: 6699
Advantage: 77

Crescent Chemical Co., Inc.

Tel: --
Fax: --
Email: sales@creschem.com
Country: United States
ProdList: 4597
Advantage: 68

Albemarle Corporation

Tel: --
Fax: --
Country: United States
ProdList: 253
Advantage: 81

City Chemicals Corporation

Tel: --
Fax: --
Country: United States
ProdList: 6460
Advantage: 72

Dow Chemical Company

Tel: --
Fax: --
Email: dowcig@dow.com
Country: United States
ProdList: 770
Advantage: 90

J.T. Baker-A Division of Mallinckrodt Baker, Inc.

Tel: --
Fax: --
Country: United States
ProdList: 1066
Advantage: 82

Eastern Chemical Corp.

Tel: --
Fax: --
Email: eastern@u-g.com
Country: United States
ProdList: 2786
Advantage: 34

Cerilliant Corporation

Tel: --
Fax: --
Email: techserv@cerilliant.com
Country: United States
ProdList: 1629
Advantage: 69

ChemPacific Corporation

Tel: --
Fax: --
Email: sales@chempacific.com
Country: United States
ProdList: 6891
Advantage: 51

Pfaltz & Bauer, Inc.

Tel: --
Fax: --
Email: sales@pfaltzandbauer.com
Country: United States
ProdList: 6828
Advantage: 72

Chem-Impex International, Inc.

Tel: --
Fax: --
Country: United States
ProdList: 6730
Advantage: 64

More

Less

View Lastest Price from Dibromomethane manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: Dibromomethane 74-95-3
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-10-30

Hebei Yanxi Chemical Co., Ltd.

Product: Dibromomethane 74-95-3
Price: US $20.00-1.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-11-02

Hebei Chuanghai Biotechnology Co,.LTD

Product: Dibromomethane 74-95-3
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-15

74-95-3, DibromomethaneRelated Search:

Bromodiphenylmethane Bromofluoromethane Clidinium bromide Sodium bromate 4,4'-Diphenylmethane diisocyanate Methylene Blue CHLORODIBROMOMETHANE Bromoform Ethidium bromide Bromochloromethane Methyl bromide DIBROMODIFLUOROMETHANE BROMOTRIFLUOROMETHANE Methylene Chloride BENZAL BROMIDE Tribromoacetic acid DIBROMOACETONITRILE DIBROMOMETHANE-D2,Dibromomethane-d2, 99.0 atom % D

DIBROMOMETHANE FOR SYNTHESIS

1,1-dibroMoMethane

Dibromomethane, Stabilized with 50ppm BHT

dopamine beta-hydroxylase (dopamine beta-monooxygenase)

DIBROMOMETHANE, 1000MG, NEAT

DIBROMOMETHANE, 99+%

DIBROMOMETHANE, 1X1ML, MEOH, 2000UG/ML

DIBROMOMETHANE, 1X1ML, MEOH, 5000UG/ML

dibromomethane solution

Dibromomethane, 99%, stab. with 50ppm BHT

METHYLENE DIBROMIDE

METHYLENE BROMIDE

CH2Br2

Dibrommethan

DBM

DIBROMOMETHANE

Methane,dibromo-

Rcra waste number U068

rcrawastenumberu068

dibromo-methan

methane,dibromo

Dibromomethane (1mg/ml in Methanol) [for Water Analysis]

DibroMoMethane&nbsp

DibroMoMethane, 99% 100ML

DibroMoMethane, 99% 500ML

Dibromomethane (Methylenebromide)

Dibromomethane 5g [74-95-3]

Dibromomethane 10g [74-95-3]

Dibromomethane &gt

DibromomethaneSolution,2,000mg/L,1ml

DIBROMOMETHANE FOR SYNTHESIS 100 ML

DIBROMOMETHANE FOR SYNTHESIS 2,5 L

DIBROMOMETHANE FOR SYNTHESIS 250 ML

Dibromomethane (stabilized with BHT)

Dibromomethane ISO 9001：2015 REACH

Anti-DBH antibody produced in goat

Piribedil Impurity 33

C12240500 Dibromomethane

74-95-3

BrCH2Br

74953

Halogenated Hydrocarbons

Organic Building Blocks

Alkyl

Building Blocks

Standard Solutions (VOC)

伪,蠅-Dibromoalkanes

Standard Solution of Volatile Organic Compounds for Water & Soil Analysis

伪,蠅-Bifunctional Alkanes

Monofunctional & 伪,蠅-Bifunctional Alkanes

Alkyl

Building Blocks

Chemical Synthesis

Halogenated Hydrocarbons

Organic Building Blocks

Analytical Chemistry

Standard Solution of Volatile Organic Compounds for Water & Soil Analysis

Standard Solutions (VOC)