Chromic Acid (Chromium Trioxide)

Wintersun code: 03-024
CAS Number: 1333-82-0
Molecular Formula: CrO3
Molecular Weight: 99.99 g/mol

Functions

Colorant
Cleaner
Catalyst
Preservative

 

SKU: 03-024 Category:

Applications

Chromic Acid  is most known for its use in the metal finishing (intermediate in chromium plating) industry. Other common uses are as a wood preservative, production of plastic products, ceramic glazes and to clean laboratory glassware. Chromic Acid is also used in Magnetic Tapes, as a Catalyst, in copper stripping, aluminum anodizing,  as a corrosion inhibitor, in photography, as a  purifying oil and acetylene , also as a oxidizer in organic synthesis.

Physical And Chemical Properties

Physical State: Odorless dark red deliquescent solid
Melting Point: 197 °C
Boiling Point: Decomposes
Specific Gravity: 2.70
Solubility in Water: Highly soluble
PH: 0.20-2.0 depending on concentration
NFPA Ratings: Health: 3; Flammability: 0; Reactivity:1
Flash Point: Not combustible
Stability: Stable under ordinary conditions

Sales Specification

Appearance: Dark Red Flakes
Chromic Acid: 99.7%
SO42-: 0.05% Max
Na+: 0.02% Max
Substance insoluble in water: 0.01% Max
Turbidity: 5.0% Max
Iron(Fe): 0.005% Max

Packing

110.23 Lb Drum, 18 Drums per Pallet

DOT Transportation

UN Number: 1463
Proper Shipping Name: Chromium Trioxide, Anhydrous
Hazard Class: 5.1 (6.1, 8)
Packing Group: II
RQ

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