| Physical and Chemical Properties | Back to Contents | 【Appearance】
Odorless gray powder. | 【Solubility in water】
Reacts | 【Melting Point】
1890 | 【Boiling Point】
3800 | 【Density】
6.68 g/cm3 (20 C) | 【Usage】
Used as a thermal spray material for protecting the underlying metal surface, and as an additive to corrosion-resistant and wear-resistant materials. It is used in coatings of bearings, seals, orifices, and valve seals, and as a fine-crystal phase in other sintered carbides. |
| First Aid Measures | Back to Contents | 【Ingestion】
Seek medical treatment. | 【Inhalation】
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice. | 【Skin】
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice. | 【Eyes】
Rinse opened eye for several minutes under running water. Then consult a doctor. |
| Handling and Storage | Back to Contents | 【Storage】
Store under dry inert gas. Protect from humidity and water. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Protective work clothing. Chemical protective gloves. Safety glasses or goggles. | 【Exposure Effects】
Causes irritation of eyes, skin and mucous membranes. Chromium powder, chromium (II) and chromium (III) compounds may cause nausea, diarrhea, vomiting, skin and eye irritation and pneumoconiosis. Although less likely than Cr(VI) compounds, the NTP considers all chromium to be potentially carcinogenic. | 【Exposure limit(s)】
NIOSH PEL: 0.5 mg/m3 (as Cr) |
| Fire Fighting Measures | Back to Contents | 【Fire Fighting】
Extinguish with CO2, sand, extinguishing powder. Do not use water. Wear self-contained respirator. Wear fully protective impervious suit. | 【Fire Potential】
Contact with water releases flammable gases. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Acids, bases, water/moisture. | 【Stability】
Decomposition will not occur if used and stored according to specifications. | 【Decomposition】
Toxic metal oxide fumes, methane. | 【Combustion Products】
Toxic metal oxide fumes. |
|
| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Alfa Aesar |
| Tel: |
400-6106006 |
| Fax: |
021-67582001/03/05 |
| WebSite: |
http://chemicals.thermofisher.cn |
| Company Name: |
Energy Chemical |
| Tel: |
021-021-58432009 400-005-6266 |
| Fax: |
021-58436166 |
| WebSite: |
http://www.energy-chemical.com |
|