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| CAS No.: | 63990-88-5 |
|---|---|
| Name: | BERYLLIUM OXYFLUORIDE |
| Molecular Structure: | |
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| Formula: | Be. 2 F H O |
| Molecular Weight: | 79.01 |
| Synonyms: | BERYLLIUM OXYFLUORIDE;BERYLLIUM OXYFLUORIDE,Be2OF2;(fluorooxy)beryllio hypofluorite; |
| Density: | g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Safety: | Confirmed carcinogen. Poison by ingestion, subcutaneous, intravenous, and intraperitoneal routes. See also BERYLLIUM COMPOUNDS and FLUORIDES. When heated to decomposition it emits very toxic fumes of BeO and F−. |
| PSA: | 9.23000 |
| LogP: | 0.77200 |
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Chemistry
IUPAC Name: beryllium dihypofluorite
CAS NO: 63990-88-5
Molecular Formula Beryllium oxyfluoride (CAS NO.63990-88-5): BeF2O2
Molecular Weight: 79.0078
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 2
Polar Surface Area: 18.46 Å2
Molecular Structure:
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Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| guinea pig | LDLo | intraperitoneal | 10mg/kg (10mg/kg) | National Institutes of Health, Bulletin. Vol. 181, Pg. 1, 1943. | |
| mouse | LDLo | intravenous | 3500ug/kg (3.5mg/kg) | LIVER: OTHER CHANGES | British Journal of Experimental Pathology. Vol. 30, Pg. 375, 1949. |
| mouse | LDLo | subcutaneous | 5mg/kg (5mg/kg) | LIVER: OTHER CHANGES | British Journal of Experimental Pathology. Vol. 30, Pg. 375, 1949. |
| rat | LD50 | oral | 146mg/kg (146mg/kg) | U.S. Atomic Energy Commission, University of Rochester, Research and Development Reports. Vol. UR-154, Pg. 1951, |
Consensus Reports
IARC Cancer Review: Group 1 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 (1993),p. 41.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 (1993),p. 41.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 1 (1972),p. 17.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 23 (1980),p. 143.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Sufficient Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 58 (1993),p. 41.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Beryllium and its compounds are on the Community Right-To-Know List.
Safety Profile
Confirmed carcinogen. Poison by ingestion, subcutaneous, intravenous, and intraperitoneal routes. See also BERYLLIUM COMPOUNDS and FLUORIDES. When heated to decomposition it emits very toxic fumes of BeO and F−.
Standards and Recommendations
OSHA PEL: TWA 0.002 mg(Be)/m3; STEL 0.005 mg(Be)/m3/30M; CL 0.025 mg(Be)/m3
ACGIH TLV: TWA 0.002 mg(Be)/m3; Confirmed Human Carcinogen; (Proposed: TWA 0.0002 mg(Be)/m3 (sensitizer); Confirmed Human Carcinogen)
NIOSH REL: (Beryllium) CL not to exceed 0.0005 mg(Be)/m3