Chromium(VI) oxide - Suitable for Analysis, Premium pure , CAS No.1333-82-0

CAS: 1333-82-0 Cat. No.: C431908 Formula: CrO3 Molecular Weight: 99.99 EC Number: 215-607-8
AVAILABLE TO ORDER
GRADE & PURITY Suitable for Analysis ? Suitable-for-analysis grade — purity adequate for general analytical procedures. Use as a dependable analytical reagent across routine methods. Premium pure ? Premium pure grade combining high purity with premium QC. Use for high-stakes work needing both cleanliness and lot consistency.
Synonyms
Chromium trioxide | Chromium(VI) oxide, SAJ first grade, >=95.0% | Chromium(VI) oxide, LR, >=99% | Puratronic chromium trioxide | Chromsaeure anhydrid | PURATRONIC | Q931335 | Chromium(VI) oxide, p.a., 98.0% | Chromium(VI) oxide, ReagentPlus(R), 99.9% tra
Storage
Room temperature
Shipped In
FedEx DG Service
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Size
USA
Germany (EU)*
Price
Qty
250g
C431908-250g
Made to order · 8–12 wks

$257.90

$301.90
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Why this grade

Suitable for Analysis, Premium pure Premium pure,Suitable for Analysis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships FedEx DG Service Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 47 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Chromium trioxide | Chromium(VI) oxide, SAJ first grade, >=95.0% | Chromium(VI) oxide, LR, >=99% | Puratronic chromium trioxide | Chromsaeure anhydrid | PURATRONIC | Q931335 | Chromium(VI) oxide, p.a., 98.0% | Chromium(VI) oxide, ReagentPlus(R), 99.9% tra
Specifications & Purity
Suitable for Analysis, Premium pure
Storage
Room temperature
Shipped In
FedEx DG Service
Grade
Premium pure, Suitable for Analysis
Names and Identifiers
Canonical Smiles
O=[Cr](=O)=O
IUPAC Name
trioxochromium
InChIKey
WGLPBDUCMAPZCE-UHFFFAOYSA-N
INCHI
1S/Cr.3O
Isomeric SMILES
O=[Cr](=O)=O
WGK Germany
3
RTECS
GB6650000
UN Number
1463
Packing Group
II
Molecular Weight
99.99
Reaxy-Rn
3902806
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3902806&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassTransition metal organides
SubclassTransition metal oxides
Intermediate Tree Nodes Not available
Direct ParentTransition metal oxides
Alternative Parents Inorganic chromium trioxides  Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Transition metal oxide - Inorganic chromium trioxide - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as transition metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen is a transition metal.
External Descriptors chromium oxide
3D Structure
Interactive Chemical Structure Model





Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Melt Point(°C)195°C
Molecular Weight99.994 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass99.9252 Da
Monoisotopic Mass99.9252 Da
Topological Polar Surface Area51.200 Ų
Heavy Atom Count4
Formal Charge0
Complexity61.800
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What does Suitable for Analysis mean?
Suitable for Analysis is a defined analytical purity tier suitable for quantitative analytical methods. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. Suitable for Analysis is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
What does Premium pure mean?
Premium pure is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. Premium pure is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature.
How is this product shipped?
This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 1333-82-0, the molecular formula is CrO3, and the molecular weight is 99.99 g/mol. InChIKey WGLPBDUCMAPZCE-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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