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| THE REMBAR COMPANY, INC. 67 Main Street, P.O. Box 67 Dobbs Ferry, NY 10522 |
Telephone: (914) 693-2620 |
| Issue date: 01/20/92 | |
| Supersedes: 05/23/89 |
MSDS : | Molybdenum | Tungsten | Tantalum | Ta/W | Rhenium Niobium
| Chemical Name: | Niobium (Columbium) |
| Synonyms: | Sheet, rod, wire, tubing & other mill shapes |
| Chemical Family: | Refractory Metal |
| Formula: | Nb (Cb) |
| CAS #: | 7440-03-1` |
| PHYSICAL FORM: | Solid |
| APPEARANCE & ODOR: | Silver gray metal, Odorless |
| pH: | Approx. 7 in aqueous suspension |
| BOILING POINT: | 8900° F (4927° C) |
| MELTING/FREEZING POINT: | 4474° F (2468° C) |
| VAPOR PRESSURE: | N/A |
| SOLUBILITY IN WATER: | Insoluble |
| SPECIFIC GRAVITY: | 8.57 |
| % VOLATILE BY WEIGHT: | N/A |
| MATERIAL | OSHA | ACGIH |
| Niobium (Columbium) | Not established | Not established |
| Concentration: (%) | Greater than 99% |
| STABILITY: | Stable, however, powder or dust in fine size may ignite during intensive mechanical treatment. |
| HAZARDOUS POLYMERIZATION: | Will not occur. |
| INCOMPATIBILITIES: | Reacts violently with fluorine, chlorine and bromine trifluoride. Contact with strong oxidizers may cause fire/explosions. |
| INSTABILITY CONDITIONS: | Keep away from sparks or ignition sources. |
| DECOMPOSITION TEMPERATURE: | Not established. |
| DECOMPOSITION PRODUCTS: | Not known. |
| FLASH POINT: | Not Applicable | |
| AUTO-IGNITION TEMPERATURE: | Not established | |
| EXTINGUISHING MEDIA: | Dry powder type agents specifically designed for metal powder fires. | |
| SPECIAL FIRE FIGHTING PROCEDURES: | Do not apply water to burning material. Full emergency equipment with self-contained breathing apparatus must be worn by firefighters. During a fire, irritating and toxic gases and aerosols may be generated by thermal decomposition and combustion. | |
| UNUSUAL FIRE/EXPLOSION HAZARDS: | This product consists of pieces of metal. Dust and fumes generated from this product (through grinding, cutting, sawing, welding, sanding, etc.) may be a fire and explosion hazard when exposed to high temperatures or ignition sources. particle size and dispersion in air determine reactivity. | |
| American Conference of Governmental Industrial Hygienists National Institute for Occupational Safety and Health Occupational Safety and Health Administration Time Weighted Average | ||
| ROUTES OF EXPOSURE: | Inhalation, skin contact, eye contact. |
| HUMAN EFFECTS & SYMPTOMS OF OVEREXPOSURE: | |
| ACUTE EFFECTS OF EXPOSURE: | Material is a non-reactive solid. Mechanical irritation (i.e. abrasion) to the eyes, skin or respiratory tract may occur due to exposure to dusts formed in the mechanical treatment (i.e. cutting, sawing) of this material. |
| CHRONIC EFFECTS OF EXPOSURE: | None known. |
| CARCINOGENICITY: | This product is not listed by NTP, IARC or regulated as a carcinogen by OSHA. |
| MEDICAL CONDITIONS: | None known. |
| EXPOSURE LIMITS: | Although no exposure limit, in general, has been established for this product, the ACGIH-TLV for Particulates Not Otherwise Classified (PNOC) of 10 mg/m3 TWA is recommended. |
| FIRST AID FOR EYES: | Flush eyes with plenty of clean water. Contact a physician if irritation is present and persists. |
| FIRST AID FOR SKIN: | Remove contaminated clothing. Wash affected areas with soap and water. Contact a Physician if irritation is present and persists.. |
| FIRST AID FOR INHALATION: | Remove to fresh air. |
| FIRST AID FOR INGESTION: | Dilute with large quantities of water and induce vomiting. Never give anything by mouth to an unconscious person. Contact a Physician. |
| EYE PROTECTION REQUIREMENTS: | Safety glasses with side shields or goggles are recommended. |
| SKIN PROTECTION REQUIREMENTS: | Chemically resistant gloves and clothing are recommended to minimize skin contact. Employees should wash their hands and face before eating, drinking or using tobacco products. |
| RESPIRATOR REQUIREMENTS: | Work ambient concentrations should be monitored and if the recommended exposure limit is exceeded, a NIOSH/MSHA approved dust respirator should be worn. |
| VENTILATION REQUIREMENTS: | Use local exhaust ventilation adequate to keep exposure levels below the TLV for nuisance dust. |
| ADDITIONAL PROTECTIVE MEASURES: | Emergency showers and eye wash stations should be available. Educate and train employees in the safe use and handling of this product. |
| SPILL OR LEAK PROCEDURES: | Utilize recommended protective clothing and equipment. Spills should be swept up and placed in containers. Avoid generation of dust. If dust is generated, use appropriate respiratory protection. Spill area can be washed with water. Collect wash water for approved disposal. Keep from entering water or ground water. |
| WASTE DISPOSAL METHOD: | May be reclaimed or sold for scrap. Disposal must be in compliance with federal, state and local environmental control regulations. |
| TEMPERATURE (MIN/MAX): | Not established. |
| SHELF LIFE: | Not established. |
| SPECIAL SENSITIVITY: | None known. |
| HANDLING/STORAGE PRECAUTIONS: | Solids require handling and storage appropriate for weight, size and shape of the material involved. |
| TECHNICAL NAME: | Niobium metal. |
| PRODUCT LABEL: | Niobium (Columbium) metal. |
| HAZARD CLASS OR DIVISION: | DOT (HM-181) Domestic Surface: non-regulated. |
| HAZARD CLASS DIVISION NUMBER: | IMO/IMDG Ocean: non-regulated. |
| HAZARD CLASS DIVISION NUMBER: | ICAO/IATA Air: non-regulated. |
| No animal toxicity information available. |
| OSHA STATUS: | This product is hazardous under the criteria of the Federal OSHA Hazard Communication Standard 29 CFR 1910.1200. |
| TSCA STATUS: | On TSCA Inventory |
| CERCLA REPORTABLE QUANTITY: | None. |
| SARA TITLE III: | SECTION 302 EXTREMELY HAZARDOUS SUBSTANCES: None. |
| SECTION 311/312 HAZARD CATEGORIES: Fire Hazard. | |
| SECTION 313 TOXIC CHEMICALS: None. | |
| RCRA STATUS: | If discarded in its purchased form, this product would not be a hazardous waste either by listing or by characteristic. However, under RCRA, it is the responsibility of the product user to determine at the time of disposal, whether a material containing the product or derived from the product should be classified as a hazardous waste. (40 CFR 261.20-24). |
| The following chemicals are specifically listed by individual states: other product specific health and safety data in other sections of the MSDS may also be applicable for state requirements. For details on your regulatory requirements you should contact the appropriate |
| Although Rembar has attempted to provide current and accurate information herein, Rembar makes no representations regarding the accuracy or completeness of the information and assumes no liability for any loss, damage or injury of any kind which may result from or arise out of the use of or reliance on the information by any person. |
MSDS : | Molybdenum | Tungsten | Tantalum | Ta/W | Rhenium Niobium
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The REMBAR Company, Inc.
P.O. Box 67
67 Main Street
Dobbs Ferry, NY 10522
Tel.: (914) 693-2620
FAX: (914) 693-2247