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Silicates, borates and other salts

Rubidium chromate

Also known as Chromic acid (H2CrO4), dirubidium salt, Chromic acid (H2CrO4), rubidium salt (1:2), dioxido(dioxo)chromium, rubidium(1+)

CAS 13446-72-5Formula CrO4Rb2Molar mass 286.93 g/molEC 236-601-1
GHS signal word: Danger. Pictograms: Oxidiser, Harmful or irritant, Serious health hazard, Hazardous to the environment 1 supplier listed
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Rubidium chromate chemical structure, CrO4Rb2, CAS 13446-72-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
13446-72-5
Formula
CrO4Rb2
Molar mass
286.93 g/mol
EC number
236-601-1
HS code
284150
Category
Silicates, borates and other salts

What is Rubidium chromate?

Plain description, key identifiers and synonyms

Rubidium chromate is a chemical substance with the molecular formula CrO4Rb2 and a molar mass of 286.93 g/mol. Its CAS registry number is 13446-72-5. The IUPAC name is dioxido(dioxo)chromium, bis(rubidium(1+)).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dioxido(dioxo)chromium, bis(rubidium(1+))
CAS number
13446-72-5 CAS number cross-checked
EC number
236-601-1
Molecular formula
CrO4Rb2
MDL number
MFCD00016295
InChIKey
WXLJFWCCZKCVSQ-UHFFFAOYSA-N
InChI
InChI=1S/Cr.4O.2Rb/q;;;2*-1;2*+1
SMILES (canonical and isomeric)
[O-][Cr](=O)(=O)[O-].[Rb+].[Rb+]

Synonyms

  • Chromic acid (H2CrO4), dirubidium salt
  • Chromic acid (H2CrO4), rubidium salt (1:2)
  • dioxido(dioxo)chromium, rubidium(1+)
  • Dirubidium chromate
  • Rb2CrO4
  • Chromic acid, dirubidium salt
  • Rubidium chromate, 99%
  • Dirubidium tetraoxidochromate(2-)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
286.93 g/molcalc.
Exact mass
285.7437 Dacalc.
LogP (octanol/water)
-8.61calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS03: Oxidiser
Oxidiser
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H272May intensify fire, oxidiser.
  • H317May cause an allergic skin reaction.
  • H350May cause cancer.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (16)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P220Keep away from clothing and other combustible materials.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Rubidium chromate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Ereztech
    United States, SaukvilleUnclaimed profile
    Rubidium chromateGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

1 supplier in 1 country

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Rubidium chromate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Rubidium chromate is traded under.

HS 2841.50Indicative HS code

Salts of oxometallic or peroxometallic acids, other chromates and dichromates…

World exports in 2024
$15.6M
−1.3% vs 2023, imports $23.5M
2019 to 2024
Top exporters
  1. United States24.2%
  2. China21.1%
  3. France * partner reported13.7%
Top importers
  1. United States36.5%
  2. Japan15.8%
  3. Turkey7.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Rubidium chromate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Rubidium chromate, based on the data on this page

What is Rubidium chromate?

Rubidium chromate is a chemical substance with the molecular formula CrO4Rb2 and a molar mass of 286.93 g/mol. Its CAS registry number is 13446-72-5. The IUPAC name is dioxido(dioxo)chromium, bis(rubidium(1+)).

What is the CAS number of Rubidium chromate?

The CAS registry number of Rubidium chromate is 13446-72-5.

What is the molecular formula and weight of Rubidium chromate?

The molecular formula of Rubidium chromate is CrO4Rb2 and its molar mass is 286.93 g/mol.

Is Rubidium chromate hazardous?

Rubidium chromate carries the GHS signal word "Danger". Main hazards: may intensify fire, oxidiser, may cause an allergic skin reaction, may cause cancer. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Rubidium chromate?

Rubidium chromate is usually classified under HS code 284150 (Salts of oxometallic or peroxometallic acids, other chromates and dichromates…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rubidium chromate?

CompoundList lists 1 supplier of Rubidium chromate in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Rubidium chromate?

Suppliers quote Rubidium chromate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Rubidium chromate

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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