ChemicalBook CAS DataBase List 1310-82-3

1310-82-3

Name	Rubidium hydroxide
CAS	1310-82-3
EINECS(EC#)	215-186-0
Molecular Formula	HORb
MDL Number	MFCD00011194
Molecular Weight	102.48
MOL File	1310-82-3.mol

Synonyms

RUBIDIUM HYDROXIDE RUBIDIUM HYDROXIDE MONOHYDRATE RbOH Rubidium hydroxide (Rb(OH)) rubidiumhydroxide(rb(oh)) RUBIDIUM HYDROXIDE, 99.9%, CA. 50 WT. % SOLUTION IN WATER RUBIDIUM HYDROXIDE, 99%, 50 WT. % SOLUTI ON IN WATER RUBIDIUM HYDROXIDE HYDRATE FUSED SOLID (99.9%-RB) RUBIDIUM HYDROXIDE 99.9% 50% AQ. SOLN. Rubidium hydroxide, 50 wt. % solution in water, extra pure, 99.9% Rubidium hydroxide, 50 wt. % solution in water, pure, 99% RUBIDIUM HYDROXIDE, MONOHYDRATE, 99.8% Rubidiumhydroxide,50%aqueoussolution(99+%-Rb) Rubidiumhydroxidehydrate,fusedsolid(99.8%-Rb) RUBIDIUM HYDROXIDE HYDRATE, FUSED SOLID: 99.8% RUBIDIUM HYDROXIDE, 50% AQUEOUS SOLUTION Rubidium hydroxide hydrate, 99% (metals basis), 15-20% H2O Rubidium hydroxide, 50% w/w aq. soln., 99.6+% (metals basis) RUBIDIUM HYDROXIDE, 99.9%, 50 WT. % SOLUTION IN WATER, EXTRA PURE Rubidium hydroxide, 50 wt. % solution in water, extra pure

Chemical Properties

Appearance	clear colorless to pale yellow solution
Melting point	300-302°C
density	1.74 g/mL at 25 °C
solubility	soluble in ethanol
form	Liquid
color	Pale yellow
Water Solubility	soluble
Specific Heat Capacity	Cp(crystal):0.673302J/(g·K);Cp(gas):0.483021J/(g·K),at 25℃
Sensitive	Hygroscopic
Merck	14,8285
InChI	InChI=1S/H2O.Rb/h1H2;/q;+1/p-1
InChIKey	CPRMKOQKXYSDML-UHFFFAOYSA-M
SMILES	[Rb+].[OH-]
CAS DataBase Reference	1310-82-3(CAS DataBase Reference)
NIST Chemistry Reference	Rubidium monohydroxide(1310-82-3)
EPA Substance Registry System	1310-82-3(EPA Substance)

Safety Data

Symbol(GHS)	GHS05,GHS07
Signal word	Danger
Hazard statements	H302+H312+H332-H314
Precautionary statements	P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes	C
Risk Statements	R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . R34:Causes burns. R22:Harmful if swallowed. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S27:Take off immediately all contaminated clothing . S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) . S36/37/39:Wear suitable protective clothing, gloves and eye/face protection . S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . less more
RIDADR	UN 2677 8/PG 2
WGK Germany	3
RTECS	VL8750000
TSCA	Yes
HazardClass	8
PackingGroup	II
HS Code	28259085
Storage Class	8A - Combustible corrosive hazardous materials
Hazard Classifications	Acute Tox. 4 Oral Skin Corr. 1B
Safety Profile	Moderately toxic by ingestion. A powerful, corrosive irritant to skin, eyes, and mucous membranes. When heated to decomposition it emits toxic fumes of RbzO. See also POTASSIUM HYDROXIDE and RUBIDIUM. less more

Hazard Information

General Description

A clear aqueous solution. Very caustic. Very irritating to skin and eyes. Used in electric storage batteries.

Reactivity Profile

A strong base. Forms caustic solution in water [Merck 11th ed. 1989].

Air & Water Reactions

Absorbs carbon dioxide from the air. May generate large amounts of heat when diluted with water.

Hazard

Strong irritant to tissue.

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Chemical Properties

clear colorless solution

Physical properties

Grayish-white orthogonal crystals; hygroscopic; density 3.2 g/cm³; melts at 301°C; very soluble in water (100 g/100 mL at 15°C), the solution highly alkaline; soluble in ethanol.

Uses

Catalyst in oxidative chlorination.

Uses

Rubidium Hydroxide is used to give fireworks a violet color. It is a notable ntermediate in the synthesis of other rubidium compounds. It is used in photography and storage batteries.

Definition

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

Preparation

Rubidium hydroxide may be obtained as an intermediate in recovering rubidium metal from mineral lepidolite (see Rubidium). In the laboratory it may be prepared by adding barium hydroxide to a solution of rubidium sulfate. The insoluble barium sulfate is separated by filtration:
Rb₂SO₄ + Ba(OH)₂ → 2RbOH + BaSO₄
Preparation should be in nickel or silver containers because rubidium hydroxide attacks glass. The solution is concentrated by partial evaporation. The commercial product is usually a 50% aqueous solution.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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