Search through
Chromium Trioxide

Chromium Trioxide

CAS Number: 1333-82-0

Molecular Formula: CrO3

About Chromium Trioxide

Chromic anhydride (CAS No: 1333-82-0) remains a cornerstone in the American hard chrome plating sector, where its role as a powerful oxidizing agent is essential for achieving the wear resistance and electrolytic precision required in heavy-duty industrial applications. As a leading bulk chemical supplier, we observe s...

Synonyms

  • chromic anhydride
  • chromium trioxide
  • 1333-82-0
  • Chromium trioxide
  • trioxochromium
View all

Chromium Trioxide Specifications

CAS Number
1333-82-0
Molecular Formula
CrO3
Molecular Weight
99.994 g/mol
IUPAC Name
trioxochromium
Canonical SMILES
O=[Cr](=O)=O
InChI Key
WGLPBDUCMAPZCE-UHFFFAOYSA-N
InChI
InChI=1S/Cr.3O
HSN No
28191000
melting_point
385 °F (NTP, 1992)
boiling_point
482 °F at 760 mmHg (decomposes) (NTP, 1992)
solubility
Very soluble (NTP, 1992)
density
2.7 (NTP, 1992) - Denser than water; will sink
Molecular Weight
99.994 g/mol
Physical appearance
Dark purplish red solid or dark red crystals, flakes, or granular powder. Also described as a flaky dark purple solid when anhydrous and orange when wet. Under anhydrous conditions, it appears as dark red to purple crystals.
Melting Point
196 °C (dec.) (lit.)
Boiling Point
250 °C (decomposes)
Precautionary Statement Codes
P201, P202, P210, P220, P221, P260, P262, P264, P270, P271, P272, P273, P280, P281, P283, P284, P301+P310, P302+P350, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P306+P360, P308+P313, P310, P314, P320, P321, P322, P330, P333+P313, P342+P311, P361, P363, P370+P378, P371+P380+P375, P391, P403+P233, P405, and P501
Hazard Classes and Categories
Ox. Sol. 1 (100%) Acute Tox. 3 (99.7%)

Electroplating Agent

A primary component in the electroplating industry for producing hard chrome coatings to provide wear resistance and corrosion protection

Metal Finishing Agent

An intermediate in chromium plating and surface treatment for metals like cadmium and zinc to generate passivating films

Oxidizing Agent

A powerful oxidant used in organic chemistry for converting alcohols to carbonyls and alkyl benzenes to benzoic acids

Wood Preservative

A chemical used in the treatment of timber to produce copper chrome arsenic salts for preservation

Catalyst

A raw material for manufacturing low-temperature and high-temperature conversion catalysts

Pigment Precursor

A key ingredient in the production of green and yellow chromate pigments for paints, plastics, and ceramics

Etching and Stripping Agent

A component in solutions used for aluminum anodizing and as a stripping agent for anodic coatings

  1. chromic anhydride
  2. chromium trioxide
  3. 1333-82-0
  4. Chromium trioxide
  5. trioxochromium

Chromium Trioxide FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

Rounded Top

Explore Metallurgy Chemicals Portfolio

Nickel Sulfate Monohydrate

CAS No : 7786-81-4

Nickel Sulfate Monohydrate

Category : Metal Compounds & Salts

Sub-Category : Nickel Compounds

Description : Nickel Sulfate Monohydrate (CAS No: 14104-80-4) is a high-value inorganic compound that occupies a s...

View Product
Molybdenum Hexacarbonyl

CAS No : 13939-06-5

Molybdenum Hexacarbonyl

Category : Metal Compounds & Salts

Sub-Category : Specialty Organometallic Compounds

Description : Molybdenum hexacarbonyl is an essential high-performance zero-valent coordination complex that occup...

View Product
Titanium powder

CAS No : 7440-32-6

Titanium powder

Category : Electronic & Specialty Grade Materials

Sub-Category : High Purity Metals, Compounds & Powders

View Product
Nickel (II) Carbonate Hydroxide

CAS No : 39380-74-0

Category : Metal Compounds & Salts

Sub-Category : General Metal Salts & Reagents

Description : Nickel (II) Carbonate Basic (encompassing CAS 39380-74-0 & 12244-51-8) - high purity inorganic compo...

View Product