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| CAS No.: | 12010-12-7 |
|---|---|
| Name: | beryllium - niobium (12:1) |
| Molecular Structure: | |
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| Formula: | Be12Nb |
| Molecular Weight: | 99.2149 |
| Density: | g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Safety: | Confirmed carcinogen with experimental tumorigenic data. When heated to decomposition in air it emits very toxic fumes of BeO. See also BERYLLIUM COMPOUNDS and NIOBIUM. |
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Chemistry
Product Name: Beryllium, compd. with niobium (12:1) (CAS NO.12010-12-7)
Molecular Formula: Be12Nb
Molecular Weight: 201.03g/mol
Mol File: 12010-12-7.mol
H-Bond Donor: 0
H-Bond Acceptor: 0
IUPAC Name: beryllium; niobium
Canonical SMILES: [Be].[Be].[Be].[Be].[Be].[Be].[Be].[Be].[Be].[Be].[Be].[Be].[Nb]
InChI: InChI=1S/12Be.Nb
InChIKey: KJBOYBGHFDLNEY-UHFFFAOYSA-N
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 with experimental tumorigenic data. When heated to decomposition in air it emits very toxic fumes of BeO. See also BERYLLIUM COMPOUNDS and NIOBIUM.
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 0.005 mg(Be)/m3
Specification
Beryllium, compd. with niobium (12:1) ,its CAS NO. is 12010-12-7,the synonyms is Niobium compd. with beryllium (1:12) ; CID6338111 ; LS-43505 .