99.99, CrO3, Amber Glass, Bottle, Purified, availability is subject to. Can react violently upon contact with reducing reagents, including organic matter, leading to ignition or.
#Chromium trioxide skin#
If you're using glass, a good idea would be to keep the glass container inside a plastic container. Due to high demand for SPECTRUM Chromium Trioxide, Flakes, Purified:, F.W. A corrosive substance that can cause injury to the skin, eyes, and respiratory tract May cause skin sensitization, kidney injury, and asthma after prolonged. CHROMIUM TRIOXIDE is a powerful oxidizing agent.
REASON FOR CITATION Chromic Trioxideis on the Hazardous Substance List because it is regulated by OSHA and cited by ACGIH, DOT, NIOSH, NTP, DEP, IARC, IRIS, NFPA and EPA. It is used in chrome plating, aluminum anodizing, dye, ink and paint manufacturing, tanning, engraving and photography. Avoid contact with alcohols.Ĭhromium trioxide should be kept in plastic or glass containers, with a proper label and a hazard symbol, in a dry place. CAS: Formula: CrO3 Specifications: Aluminum 0.02 Max, Assay 98.0 - Min, Barium 0.01 Max, Chloride 0.005 Max, Insoluble 0.01 Max. Chromic Trioxideis a red odorless powder. The solid compound is filtered using a fritted funnel.Ĭhromium trioxide is a powerful oxidizer, highly toxic, corrosive, and carcinogenic.
H 2SO 4 + Na 2CrO 4 → CrO 3 + Na 2SO 4 + H 2O H 2SO 4 + Na 2Cr 2O 7 → 2 CrO 3 + Na 2SO 4 + H 2O It is very soluble in water and soluble in some organic solvents, such as acetone or diethyl ether, as well as sulfuric acid.Ĭhromium trioxide is sold by various chemical suppliers, though due to its hazards it's not easy to get hold of.Ĭhromium trioxide can be prepared by reacting a Cr(VI) containing compound, such as sodium chromate or dichromate with concentrated sulfuric acid. Solids meeting the definition of an elevated temperature material must be transported in accordance with the applicable requirements of this subchapter.Chromium trioxide reacts violently with ethanol and other organic compounds, causing it to combust.Ĭhromium trioxide is a dard red/crimson solid in its anhydrous form, and red-orange in aqueous solution. LC130901, Chromium Trioxide (Chromic Acid), ACS, Amber Glass, 500 g, 1 Each. Chromium Trioxide, a substance of very high concern, is still widely used in plating and surface treatment ECHA has received over 1.000 notifications from industrial sites using chromium trioxide in chrome plating and surface treatment in the EU.
#Chromium trioxide portable#
Filling limits must be in accordance with portable tank special provision TP3. products/lc1309013545df7c0-11b4-4f2f-9746-e226ccaffd57.jpg. Solid substances transported or offered for transport above their melting point are authorized for transportation in portable tanks conforming to the provisions of portable tank instruction T4 for solid substances of packing group III or T7 for solid substances of packing group II, unless a tank with more stringent requirements for minimum shell thickness, maximum allowable working pressure, pressure-relief devices or bottom outlets are assigned in which case the more stringent tank instruction and special provisions shall apply. The portable tank instruction assigned for this substance applies for granular and powdered solids and for solids which are filled and discharged at temperatures above their melting point which are cooled and transported as a solid mass.
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