Bis(chloromethyl)ether (BCME)
CASRN 542-88-1 | DTXSID8020173
- IRIS Summary (PDF) (12 pp, 113 K)
On this page:
Noncancer Assessment
Reference Dose for Oral Exposure (RfD) (PDF) (12 pp, 113 K) Last Updated:
Not assessed under the IRIS Program.
Reference Concentration for Inhalation Exposure (RfC) (PDF) (12 pp, 113 K) Last Updated: 07/01/1991
Information reviewed but value not estimated.
Cancer Assessment
    
      Weight of Evidence for Cancer (PDF)
      (12 pp, 113 K)
    
    
      
        Last Updated: 09/26/1988
      
    
    
    
  
| WOE Characterization | Framework for WOE Characterization | 
|---|---|
| A (Human carcinogen) | Guidelines for Carcinogen Risk Assessment (U.S. EPA, 1986) | 
- Statistically significant increases in lung tumors (oat cell carcinomas) observed in six studies of exposed workers and bioassay data from rats and mice.
- This may be a synopsis of the full weight-of-evidence narrative.
Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (12 pp, 113 K)
                Oral Slope Factor:
                2.2
                 x 102
                  per mg/kg-day
                
                
                  
                  Drinking Water Unit Risk:
                  6.2
                   x 10-3
                  per µg/L
                  
                
                
                  
                  Extrapolation Method: Linearized multistage procedure, extra risk
                
                
                Tumor site(s): Respiratory 
                
                Tumor type(s): Respiratory tract tumors (Kuschner et al., 1975)
                
              
Quantitative Estimate of Carcinogenic Risk from Inhalation Exposure (PDF) (12 pp, 113 K)
            Inhalation Unit Risk:
            6.2
             x 10-2
              per µg/m3
            
            
              
Extrapolation Method: Linearized multistage procedure, extra risk
            
            
Tumor site(s): Respiratory
            
Tumor type(s): Respiratory tract tumors (Kuschner et al., 1975)
            
          
Other EPA Information
- Human Health Benchmarks for Pesticides (HHBP). This database provides human health benchmarks for pesticides that may be present in drinking water.
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- Chemistry Dashboard. This database provides information on chemical structures, experimental and predicted physicochemical, and toxicity data.
Related Links
Tumor Sites
Chemical Structure
Synonyms
- BCME
- Bis(chloromethyl)ether
- Bis(chloromethyl)ether (BCME)
- Bis-CME
- Chloro(chloromethoxy)methane
- Chloromethyl ether
- Dichlordimethylaether
- Dimethyl-1,1'-dichloroether
- Ether, bis(chloromethyl)
- Methane, oxybis(chloro-
- Oxybis(chloromethane)
- RCRA Waste Number p016
- UN 2249
- sym-Dichloro-dimethyl ether
- sym-Dichloromethyl ether
- 1,1'-Dichlorodimethyl ether
- 542-88-1
 
          