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8.10278

Sigma-Aldrich

Dibromomethane

(stabilised) for synthesis

Synonym(s):

Dibromomethane, Methylene bromide

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About This Item

Empirical Formula (Hill Notation):
CH2Br2
CAS Number:
Molecular Weight:
173.83
MDL number:
UNSPSC Code:
12352101
EC Index Number:
200-824-2
NACRES:
NA.22

vapor pressure

44 hPa ( 20 °C)

Quality Level

assay

≥98.5% (GC)

form

liquid

potency

108 mg/kg LD50, oral (Rat)
>4000 mg/kg LD50, skin (Rabbit)

bp

95-97 °C/1013 hPa

mp

-53 °C

solubility

11.7 g/L

density

2.49 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/CH2Br2/c2-1-3/h1H2

InChI key

FJBFPHVGVWTDIP-UHFFFAOYSA-N

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).

Analysis Note

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

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Ozone 1

Storage Class

6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


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