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Hydroxides and bases

Rubidium hydroxide

Also known as Rubidium hydroxide (Rb(OH)), Rubidium monohydroxide, Rubidium hydroxide ((sup 81)Rb) Injection

CAS 1310-82-3Formula HORbMolar mass 102.48 g/molEC 215-186-0
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 5 suppliers listed
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Rubidium hydroxide chemical structure, HORb, CAS 1310-82-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Solid
Melting point
382 °C
Density
3.203 @ 11 °C
HS code
282590
Category
Hydroxides and bases
UN number
UN 2678
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Rubidium hydroxide?

Plain description, key identifiers and synonyms

Rubidium hydroxide is an alkali metal hydroxide and a rubidium molecular entity.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
rubidium(1+) hydroxide
CAS number
1310-82-3 CAS number cross-checked
EC number
215-186-0
Molecular formula
HORb
UNII
2692362HBM
MDL number
MFCD00011194
InChIKey
CPRMKOQKXYSDML-UHFFFAOYSA-M
InChI
InChI=1S/H2O.Rb/h1H2;/q;+1/p-1
SMILES (canonical and isomeric)
[OH-].[Rb+]

Synonyms

  • Rubidium hydroxide (Rb(OH))
  • Rubidium monohydroxide
  • Rubidium hydroxide ((sup 81)Rb) Injection
  • Rubidium hydroxide, (solid)
  • Hydroxyde de rubidium
  • Hidroxido de rubidio
  • UN2677 (solution)
  • UN2678 (solid)
  • Hidroxido de rubidio, solido
  • Hydroxyde de rubidium, solide
  • Rubidium hydroxide, solid
  • Hidroxido de rubidio (Spanish DOT)
  • Hydroxyde de rubidium (French DOT)
  • Hidroxido de rubidio, solido (Spanish DOT)
  • Hydroxyde de rubidium, solide (French DOT)
  • RbOH
  • rubidium(1+) hydroxide
  • HORb
  • Rubidium hydroxide ((sup 81)Rb)
  • Rubidium hydroxide [UN2678] [Corrosive]
  • Aqueous rubidium hydroxide
  • Rubidium monohydroxide solution
  • Rubidium hydroxide, 99.9%
  • Rubidium Hydroxide, 50% aqueous solution
  • Rubidium hydroxide solution, 50% w/w aq. soln., 99% Rubidium hydroxide min.

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

Physical form
Solidexp.
Melting point
382 °Cexp.
Density
3.203 @ 11 °Cexp.

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
102.48 g/molcalc.
Exact mass
101.9145 Dacalc.
LogP (octanol/water)
-3.17calc.
Topological polar surface area
30 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H332Harmful if inhaled.
Precautionary statements (20)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2678
Transport hazard class
8
Packing group
II

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 hydroxide suppliers

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

All 5 suppliers
5 of 5 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

5 suppliers in 3 countries

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Rubidium hydroxide 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 hydroxide is traded under.

HS 2825.90Indicative HS code

Inorganic bases not elsewhere classified in heading 2825

World exports in 2024
$972M
+5.4% vs 2023, imports $3.4B
2019 to 2024
Top exporters
  1. China28.5%
  2. United States23.7%
  3. Brazil10.8%
Top importers
  1. South Korea77.2%
  2. Japan4.3%
  3. United States3.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Rubidium hydroxide?

Rubidium hydroxide is an alkali metal hydroxide and a rubidium molecular entity.

What is the CAS number of Rubidium hydroxide?

The CAS registry number of Rubidium hydroxide is 1310-82-3.

What is the molecular formula and weight of Rubidium hydroxide?

The molecular formula of Rubidium hydroxide is HORb and its molar mass is 102.48 g/mol.

Is Rubidium hydroxide hazardous?

Rubidium hydroxide carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Rubidium hydroxide?

Rubidium hydroxide is usually classified under HS code 282590 (Hydrazine and hydroxylamine and their inorganic salts, other inorganic bases, other…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rubidium hydroxide?

CompoundList lists 5 suppliers of Rubidium hydroxide in China, United States and Indonesia. 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 hydroxide?

Suppliers quote Rubidium hydroxide 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 hydroxide

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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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