DIBROMODIFLUOROMETHANE
- CAS No.
- 75-61-6
- Chemical Name:
- DIBROMODIFLUOROMETHANE
- Synonyms
- dfbm;freon12-b2;HALON 1202;Freon 12-B2;DIBROMOFLUOROMETHANE(SUR);Dibromodifluoromethane (FC-12B2);r12b2;F12B2;freon12b2;dibromodifluoro-methan
- CBNumber:
- CB8400880
- Molecular Formula:
- CBr2F2
- Molecular Weight:
- 209.82
- MOL File:
- 75-61-6.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/3/14 15:18:27
| Melting point | -141 °C |
|---|---|
| Boiling point | 24.5 °C |
| Density | 2.297 g/mL at 25 °C(lit.) |
| vapor density | 7.24 (vs air) |
| vapor pressure | 12.79 psi ( 20 °C) |
| refractive index | 1.398-1.402 |
| Flash point | None |
| storage temp. | 2-8°C |
| solubility | Soluble in acetone, alcohol, benzene, and ether (Weast, 1986) |
| form | Colorless liquid or gas |
| Water Solubility | Insoluble |
| BRN | 1732515 |
| Henry's Law Constant | 1.72 x 10-2 atm?m3/mol at 26 °C (static headspace-GC, Saini et al., 2002) |
| Exposure limits | NIOSH REL: TWA 100 ppm (860 mg/m3), IDLH 2,000 ppm; OSHA PEL: TWA 100 ppm. |
| CAS DataBase Reference | 75-61-6(CAS DataBase Reference) |
| NIST Chemistry Reference | Methane, dibromodifluoro-(75-61-6) |
| EPA Substance Registry System | Dibromodifluoromethane (75-61-6) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335-H420 |
| Precautionary statements | P261-P264-P271-P302+P352-P305+P351+P338-P502 |
| Hazard Codes | Xi,N |
| Risk Statements | 36/37/38-59 |
| Safety Statements | 37/39-26-59 |
| RIDADR | 1941 |
| OEB | A |
| OEL | TWA: 100 ppm (860 mg/m3) |
| WGK Germany | 3 |
| RTECS | PA7525000 |
| Hazard Note | Irritant |
| HazardClass | 9 |
| PackingGroup | III |
| HS Code | 29034700 |
| Toxicity | A 15-min exposure to 6,400 and 8,000 ppm were fatal to rats and mice, respectively (Patnaik, 1992). |
| IDLA | 2,000 ppm |
DIBROMODIFLUOROMETHANE Chemical Properties,Uses,Production
Chemical Properties
clear colorless to pale yellow liquid
Physical properties
Colorless liquid or gas with a characteristic odor
Uses
Synthesis of dyes; quaternary ammonium compounds; pharmaceuticals; fire-extinguishing agent.
General Description
DIBROMODIFLUOROMETHANE is a colorless, nonflammable liquid. DIBROMODIFLUOROMETHANE may cause illness from ingestion and may be irritating to skin. If exposed to high temperatures DIBROMODIFLUOROMETHANE may emit toxic fumes. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. Since DIBROMODIFLUOROMETHANE is a liquid DIBROMODIFLUOROMETHANE can easily penetrate the soil and contaminate groundwater and nearby streams. DIBROMODIFLUOROMETHANE is used as a fire extinguishing agent.
Reactivity Profile
DIBROMODIFLUOROMETHANE is incompatible with the following: Chemically-active metals such as sodium, potassium, calcium, powdered aluminum, zinc & magnesium .
Health Hazard
Inhalation of material may be harmful. Contact may cause burns to skin and eyes. Inhalation of Asbestos dust may have a damaging effect on the lungs. Fire may produce irritating, corrosive and/or toxic gases. Some liquids produce vapors that may cause dizziness or suffocation. Runoff from fire control may cause pollution.
Fire Hazard
Some may burn but none ignite readily. Containers may explode when heated. Some may be transported hot.
Safety Profile
Mddly toxic by inhalation. A non-flammable liquid. When heated to decomposition it emits very toxic fumes of Brand F-
DIBROMODIFLUOROMETHANE Preparation Products And Raw materials
Raw materials
Preparation Products
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