8.10278

Dibromomethane

(stabilised) for synthesis

• Synonyme(s) : Dibromomethane, Methylene bromide
• Formule empirique (notation de Hill): CH₂Br₂
• Numéro CAS: 74-95-3
• Poids moléculaire : 173.83
• Numéro MDL: MFCD00000168
• Code UNSPSC : 12352101
• Numéro de classement CE : 200-824-2
• Nomenclature NACRES : NA.22

Propriétés

• Pression de vapeur: 44 hPa ( 20 °C)
• Niveau de qualité: 200
• Pureté: ≥98.5% (GC)
• Forme: liquid
• Puissance: 108 mg/kg LD₅₀, oral (Rat); >4000 mg/kg LD₅₀, skin (Rabbit)
• Point d'ébullition: 95-97 °C/1013 hPa
• Pf: -53 °C
• Solubilité: 11.7 g/L
• Densité: 2.49 g/cm³ at 20 °C
• Température de stockage: 2-30°C
• InChI: 1S/CH2Br2/c2-1-3/h1H2
• Clé InChI: FJBFPHVGVWTDIP-UHFFFAOYSA-N

Description

Application

• Ultraviolet Dosimetry: Dibromomethane facilitated the development of photochromic perovskite nanocrystals, enhancing their application in ultraviolet radiation monitoring and dosimetry, critical for environmental and health safety measures (Chen et al., 2024).
• Energy Storage Solutions: It was utilized as both solvent and electrophilic cross-linker in the synthesis of highly porous hyper-cross-linked polymers, which are effective in methane storage under high pressures, showcasing its role in advancing material sciences for energy applications (Yang et al., 2024).
• Halogenated Compound Sensing: Dibromomethane was instrumental in the creation of photoluminescent copper(I) iodide alkylpyridine thin films, used as sensors for volatile halogenated compounds, thus enhancing detection capabilities in chemical safety and environmental monitoring (Jamshidi et al., 2023).

Remarque sur l'analyse

Assay (GC, area%): ≥ 98.5 % (a/a)
Density (d 20 °C/ 4 °C): 2.485 - 2.500
Identity (IR): passes test

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H332 - H412 - H420
• Conseils de prudence: P261 - P271 - P273 - P304 + P340 + P312 - P501 - P502
• Classification des risques: Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Ozone 1
• Code de la classe de stockage: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable