Key Documents

View All Documentation

236470

Chromium(VI) oxide

Name: Chromium(VI) oxide
Brand: SIGALD

ACS reagent, ≥98.0%

Synonym(s):

Chromic anhydride

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):

CrO₃

CAS Number:

1333-82-0

Molecular Weight:

99.99

NACRES:

NB.24

PubChem Substance ID:

329752434

UNSPSC Code:

12352303

EC Number:

215-607-8

MDL number:

MFCD00010952

Assay:

≥98.0%

Grade:

ACS reagent

Form:

powder or crystals

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

grade

ACS reagent

Quality Level

200

assay

≥98.0%

form

powder or crystals

reaction suitability

reagent type: oxidant

impurities

≤0.01% insolubles

pH

<1 (20 °C, 100 g/L)

mp

196 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤0.005%, nitrate (NO₃^-): ≤0.05%, sulfate (SO₄^2-): ≤0.005%

cation traces

Fe, Al, Ba: ≤0.03%, Na: ≤0.2%

SMILES string

O=[Cr](=O)=O

InChI

1S/Cr.3O

InChI key

WGLPBDUCMAPZCE-UHFFFAOYSA-N

Description

General description

Chromium(VI) oxide is an oxidizing reagent for the oxidation of carbon-hydrogen bonds to alcohols, alkylaromatics to ketones and carboxylic acids, alkenes to α, β-unsaturated ketones, arenes to quinones, and alcohols to aldehydes, ketones, acids, and keto acids.

Still not finding the right product?

Explore all of our products under Chromium(VI) oxide

pictograms

GHS03,GHS06,GHS08,GHS05,GHS09

signalword

Danger

hcodes

H271,H301 + H311,H314,H317,H330,H334,H335,H340,H350,H361f,H372,H410

pcodes

P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Muta. 1B - Ox. Sol. 1 - Repr. 2 - Resp. Sens. 1 - Skin Corr. 1A - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

This item has

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Chromium (VI) Oxide

Freeman F, et al.

e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)

Chromium (VI) Oxide.