Bromoform
Bromoform
CAS: 75-25-2
Molecular Formula: CHBr3
Bromoform - Names and Identifiers
| Name | Bromoform |
| Synonyms | BROMOFORM Bromoform Tribrommethan Tribromometan Tribrommethaan tribromo-methan tribromomethane Methyl Tribromide methenyl tribromide rcrawastenumberu225 METHENYL TRIBROMIDE tribromomethane(bromoform) |
| CAS | 75-25-2 |
| EINECS | 200-854-6 |
| InChI | InChI=1/CHBr3/c2-1(3)4/h1H |
| InChIKey | DIKBFYAXUHHXCS-UHFFFAOYSA-N |
Bromoform - Physico-chemical Properties
| Molecular Formula | CHBr3 |
| Molar Mass | 252.73 |
| Density | 2.89g/mLat 25°C(lit.) |
| Melting Point | 8 °C |
| Boling Point | 150 °C |
| Flash Point | 148-150°C |
| Water Solubility | slightly soluble, 0.301 g/100 mL |
| Solubility | water: soluble800 part(lit.) |
| Vapor Presure | 5 mm Hg ( 20 °C) |
| Vapor Density | 8.7 (vs air) |
| Appearance | Liquid |
| Color | White to off-white |
| Odor | Chloroform-like odor |
| Exposure Limit | NIOSH REL: TWA 0.5 ppm (5 mg/m3), IDLH 85e respiratory irritation(Patnaik, 1992). |
| Merck | 14,1420 |
| BRN | 1731048 |
| pKa | 13.7(at 25℃) |
| Storage Condition | Store at +15°C to +25°C. |
| Stability | Stability May be an explosion hazard, especially when heated. Stable, but light-sensitive. Non-flammable. Incompatible with chemically active metals, strong bases. May contain ca 1% ethanol |
| Sensitive | Light Sensitive |
| Refractive Index | n20/D 1.595(lit.) |
| Physical and Chemical Properties | Density: 2.894 Melting Point: 5-8°C Boiling Point: 146-151°C refractive index: 1.595-1.5982 water-soluble soda solution, 0.301g/100 mL |
| Use | Used as disinfectant, analgesic, refrigerant, water-quenching agent, Antiknock agent, solvent, etc |
Bromoform - Risk and Safety
| Risk Codes | R23 - Toxic by inhalation R36/38 - Irritating to eyes and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R22 - Harmful if swallowed R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A - S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S63 - |
| UN IDs | UN 2515 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | PB5600000 |
| FLUKA BRAND F CODES | 8-10 |
| TSCA | Yes |
| HS Code | 2903 39 19 |
| Hazard Class | 6.1 |
| Packing Group | III |
| Toxicity | LD50 s.c. in mice: 7.2 mmol/kg (Kutob, Plaa) |
Bromoform - Upstream Downstream Industry
| Raw Materials | Acetone Sodium carbonate Sodium thiosulfate Sulfuric acid Potassium hydroxide Sodium hydroxide Bromine Sodium bromite Hydroxylamine hydrochloride |
Bromoform - Nature
Open Data Verified Data
A colorless heavy liquid with a chloroform-like odor. It is miscible with ethanol, diethyl ether, chloroform, benzene, petroleum ether, acetone, non-volatile and volatile oils, and forms azeotropes with many organic solvents. Soluble in about 800 times of water. Density 2. 8899G/cm3. Melting point 7.7 °c. Boiling point 149.5 °c. Viscosity (15 °c) 2.152MPA. s. Refractive index. Non-flammable and explosive.
Last Update：2025-06-10 22:55:16
Bromoform - Preparation Method
Open Data Verified Data
In alkaline conditions, acetone and sodium bromate role, to tribromoacetone, continue to decompose in alkaline conditions, the crude product. The product is obtained by distillation, washing, filtration and drying.
Last Update：2022-01-01 10:13:53
Bromoform - Application
Open Data Verified Data
is useful as a dye intermediate, a disinfectant, an analgesic, an anesthetic, a refrigerant, a mineralizer, a precipitant, a solvent, an antiknock liquid component, and the like.
Last Update：2025-08-19 16:24:40
Bromoform - Safety
Open Data Verified Data
- toxicity was similar to that of chloroform, but stronger than that of chloroform. Rabbits were injected with LD lOOOmg/kg subcutaneously. Mice were injected subcutaneously with LD50 7.2mmol/kg. Human inhalation of bromoform vapor, there will be tears, salivation, throat and throat itch, facial redness, and damage to the liver. The maximum allowable concentration in air is 0.5 × 10_6.
- production and use should have good ventilation facilities, equipment to be closed, and safety protection measures. The skin was flushed with water, and the gastrointestinal tract was washed immediately after ingestion.
- packaged in glass bottles, see (I) methyl bromide.
Last Update：2022-01-01 10:13:54
Bromoform - Reference Information
| Henry's Law Constant | 3.36 at 20.0 °C, 7.09 at 35.0 °C, 20.5 at 50.0 °C (equilibrium static cell, Wright et al., 1992) |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| (IARC) carcinogen classification | 3 (Vol. 52, 71) 1999 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | can be used as dye intermediate, disinfectant, analgesic, anesthetic, refrigerant, mineral dressing agent, precipitant, solvent and anti-explosion liquid components. used as analytical reagent and solvent for determination of molecular weight used as disinfectant, analgesic, refrigerant, water-quenching agent, Antiknock agent, solvent and so on used as solvent for determination of molecular weight, the refractive index of the mineral is determined. Separation of various ores by specific gravity. The standard solution is used for the following purposes such as water analysis. 1, the determination of molecular weight of the solvent, the determination of mineral refractive index. Separation of various ores by specific gravity. 2, industrial dye intermediates, pharmaceutical analgesics, air fumigation disinfectant, refrigerant, antiknock component, resin and paraffin solvent, etc. Calibration instruments and devices; Evaluation methods; Working standards; Quality assurance/quality control; Other. For ICP-AES, AAS, AFS, ICP-MS, ion chromatography, etc. Standard solutions were used for titration analysis. |
| production method | is obtained by reacting acetone with sodium hypobromate. First, sodium hypobromate was prepared with bromine and alkali solution. Under alkaline conditions, acetone was quickly added into sodium hypobromate at 0-5 ℃ to keep the temperature at 30-50 ℃. After the temperature dropped, stirring was continued for 10min. Acetone and sodium bromate reaction through the decomposition of three bromoacetone bromoform. Standing layer, distillation, washing, filtration, drying to obtain the finished product. Raw material consumption quota: acetone 650kg/t, bromine 3500kg/t. |
| category | toxic substances |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 933 mg/kg; Oral-mouse LD50: 1072 mg/kg |
| explosive hazard characteristics | reaction with crown ether, or KOH explosion |
| flammability hazard characteristics | non-combustible; High thermal decomposition; Toxic bromide smoke from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from food additives |
| extinguishing agent | water mist, foam, carbon dioxide, sand. |
| Occupational Standard | TWA 5 mg/m3; Tel 15 mg/m3 |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentration | 850 ppm |
Last Update：2024-04-10 22:29:15
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View History
Bromoform
SOVLENT RED 132
NSC 53385
DCMX
CS-510
DICHLOROBIS(TRIETHYLPHOSPHINE)PLATINUM (II)
C.I. Pigment Yellow 126
RARECHEM AK ML 0105
Ketoleucine Potassium salt
SOVLENT RED 132
NSC 53385
DCMX
CS-510
DICHLOROBIS(TRIETHYLPHOSPHINE)PLATINUM (II)
C.I. Pigment Yellow 126
RARECHEM AK ML 0105
Ketoleucine Potassium salt
Raw Materials for Bromoform