Bromoform
Chemical compound / From Wikipedia, the free encyclopedia
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Bromoform is an organic compound with the chemical formula CHBr3. It is a colorless liquid at room temperature, with a high refractive index and a very high density. Its sweet odor is similar to that of chloroform. It is one of the four haloforms, the others being fluoroform, chloroform, and iodoform. It is a brominated organic solvent. Currently its main use is as a laboratory reagent. It is very slightly soluble in water (one part bromoform in 800 parts water) and is miscible with alcohol, benzene, chloroform, ether, petroleum ether, acetone and oils.
Quick Facts Names, Identifiers ...
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A bottle of bromoform with some in the adjacent beaker | |||
Names | |||
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Preferred IUPAC name
Tribromomethane[1] | |||
Other names
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Identifiers | |||
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3D model (JSmol) |
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Abbreviations |
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1731048 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider |
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DrugBank |
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ECHA InfoCard | 100.000.777 | ||
EC Number |
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49500 | |||
KEGG |
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MeSH | bromoform | ||
PubChem CID |
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RTECS number |
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UNII | |||
UN number | 2515 | ||
CompTox Dashboard (EPA) |
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Properties | |||
CHBr3 | |||
Molar mass | 252.731 g·mol−1 | ||
Appearance | Colorless liquid | ||
Density | 2.89 g/cm3 | ||
Melting point | 8.69 °C; 47.64 °F; 281.84 K | ||
Boiling point | 149.40 °C; 300.92 °F; 422.55 K | ||
3.2 g L−1 (at 30 °C) | |||
log P | 2.435 | ||
Vapor pressure | 670 Pa (at 20.0 °C) | ||
Henry's law constant (kH) |
17 μmol Pa−1 kg−1 | ||
Acidity (pKa) | 13.7 | ||
-82.60·10−6 cm3/mol | |||
Refractive index (nD) |
1.595 | ||
Thermochemistry | |||
Heat capacity (C) |
130.5 J K−1 mol−1 | ||
Std enthalpy of formation (ΔfH⦵298) |
6.1–12.7 kJ mol−1 | ||
Std enthalpy of combustion (ΔcH⦵298) |
−549.1–−542.5 kJ mol−1 | ||
Hazards | |||
GHS labelling: | |||
Danger | |||
H302, H315, H319, H331, H411 | |||
P261, P273, P305+P351+P338, P311 | |||
NFPA 704 (fire diamond) | |||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
933.0 mg kg−1 (oral, rat) | ||
LDLo (lowest published) |
1400 mg/kg (mouse, oral) 1147 mg/kg (rat, oral)[3] | ||
LC50 (median concentration) |
1151 ppm (mammal)[3] | ||
LCLo (lowest published) |
4282 ppm (rat, 4 hr) 7000 ppm (dog, 1 hr)[3] | ||
NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 0.5 ppm (5 mg/m3) [skin][2] | ||
REL (Recommended) |
TWA 0.5 ppm (5 mg/m3) [skin][2] | ||
IDLH (Immediate danger) |
850 ppm[2] | ||
Related compounds | |||
Related alkanes |
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Supplementary data page | |||
Bromoform (data page) | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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