Uranium carbide
Basic information
- CAS
12070-09-6- Standard SMILES
C.[U]- InChIKey
QRKOGTOMYRGNOR-UHFFFAOYSA-N- Molecular formula
- CH4U
- Average molar mass
- 254.071 g/mol
- Monoisotopic mass
- 254.08209
Overview
Uranium carbide is a carbide of uranium. It is used for fuel in nuclear reactors and is also a popular target material for particle accelerators. Uranium is a chemical element that has the symbol U and atomic number 92. It is a normal part of rocks, soil, air, and water, and occurs in nature in the form of minerals. (L248, L249, L251)
Names & identifiers
- Preferred name
- Uranium carbide
- IUPAC
- methane;uranium
- English name
- URANIUM CARBIDE
- Molecular formula
- CH4U
- Molecular weight
- 254.07137
Names & synonyms
Uranium carbide12070-09-6uranium monocarbideMETHANE URANIUMRefChem:193188Uranium carbide (UC)Methane--uranium (1/1)SCHEMBL194576SCHEMBL194577DTXSID80923541QRKOGTOMYRGNOR-UHFFFAOYSA-Nmethane,uranium
Show more names
uranium(IV) carbideMonouranium monocarbide
Database identifiers
- CAS
12070-09-6- PubChem CID
- 166603
- DTXSID
DTXSID80923541
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 0
- Heavy atoms
- 2
- Formal charge
- 0
- Complexity
- 0
Experimental & physicochemical properties
Chemical ClassesPhysical/Radiation -> Radioactive Compounds
SpringerMaterials Propertieselectron density of states
Physical DescriptionBlack, metallic solid; [Sax]
Physicochemical properties
- Melting point
- 2790 °C · 2790°C
- Density
- 13.63 · 13.630
- form
- gray cubic crystals
- color
- gray cubic crystals, crystalline
- Resistivity
- 50 · 50.0 (ρ/μΩ.cm)
- Thermal Conductivity
- 20.083 W/ · 20.083 W/(m·K)
- Crystal Structure
- Cubic
- EPA Substance Registry System
- Uranium carbide (UC) (12070-09-6)
- RIDADR
- 2912 · 2912
- TSCA
- TSCA listed
- HazardClass
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Hazard information
Hazards SummarySee CARBIDES. See Uranium and linked occupational diseases.
Safety & protection
Exposure Control and Personal ProtectionBiological Exposure Indices (BEI) [ACGIH] - Uranium in urine = 200 ug/L at end of shift; [ACGIH]
Minimum Risk Level
Intermediate Inhalation: 0.0004 mg/m3 (Soluble uranium salts) (L134) Chronic Inhalation: 0.0003 mg/m3 (Soluble uranium salts) (L134) Intermediate Oral: 0.002 mg/kg/day (Soluble uranium salts) (L134) Intermediate Inhalation: 0.008 mg/m3 (Insoluble uranium compounds) (L134)
Threshold Limit Values (TLV)
0.2 [mg/m3], as U
0.6 [mg/m3], as U
Permissible Exposure Limit (PEL)0.05 [mg/m3], as U (sol), 0.25 mg/m3, as U (insol)
Immediately Dangerous to Life or Health (IDLH)10.0 [mg/m3], as U
Toxicology
Health Effects
Uranium primarily damages the kidney, but may also damage the lungs, central nervous system, and immune system. Uranium's radioactivity is believed to damage the DNA, resulting in carcinogenic effects and reproductive and developmental damage. (L248, L249)
Exposure RoutesOral (L249) ; inhalation (L249) ; dermal (L249)
Toxicity Summary
Chemistry & industry
Pharmacology
Metabolism/Metabolites
Uranium is absorbed in low amounts via oral, inhalation, and dermal routes. Uranium in body fluids generally exists as the uranyl ion (UO2)2+ complexed with anions, such as citrate and bicarbonate, or plasma proteins. Uranium preferentially distributes to bone, liver, and kidney. The large majority of uranium that enters the body is not absorbed and is eliminated from the body via the urine and faeces. (L248)
Uses & manufacturing
UsesUranium carbide is used for fuel in nuclear reactors and is also a popular target material for particle accelerators. (L251)
General Manufacturing InformationUranium carbide (UC): INACTIVE
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Compound notes
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