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Hydroxides and bases

Lithium hydroxide, monohydrate

Also known as Lithium hydroxide monohydrate, Lithium hydroxide (Li(OH)), monohydrate, Lithium hydroxide (USP)

CAS 1310-66-3Formula H3LiO2Molar mass 41.96 g/molEC 603-454-3
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant 71 suppliers listed
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Lithium hydroxide, monohydrate chemical structure, H3LiO2, CAS 1310-66-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Crystals
Melting point
450 to 471
Density
1.51 g/cm³
Solubility
Solubility in water, g/100ml at 20 °C: 19.1 (good)
HS code
282520
Category
Hydroxides and bases
UN number
UN 2680
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Lithium hydroxide, monohydrate?

Plain description, key identifiers and synonyms

Small colorless crystals. Denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption. Used to make electric storage batteries, soaps, and lubricants.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
lithium, hydroxide, hydrate
CAS number
1310-66-3Other or deprecated CAS: 55622-30-5, 76576-67-5
EC number
603-454-3
Molecular formula
H3LiO2
UNII
G51XLP968G
MDL number
MFCD00149772
InChIKey
GLXDVVHUTZTUQK-UHFFFAOYSA-M
InChI
InChI=1S/Li.2H2O/h;2*1H2/q+1;;/p-1
SMILES (canonical and isomeric)
[Li+].O.[OH-]

Synonyms

  • Lithium hydroxide monohydrate
  • Lithium hydroxide (Li(OH)), monohydrate
  • Lithium hydroxide (USP)
  • Lithium hydroxide
  • lithium hydroxide hydrate
  • Lithium hydroxido
  • lithium, hydroxide, hydrate
  • Hydroxyde de lithium
  • Lithium Hydroxide Hydrate,
  • LiOH-hydrate
  • LiOH.hydrate
  • LiOH water
  • water LiOH
  • lithiumhydroxid-hydrate
  • Lithium hydroxide H2O
  • lithium hydroxide water
  • lithium hydroxide.water
  • (~6~Li)Lithium hydroxide--water (1/1/1)
  • LiOH hydrate
  • Lithium-6Li hydroxide monohydrate
  • Lithium, aquahydroxy-
  • LiO2
  • lithiumhydroxide hydrate
  • LiOH H2O
  • LiOH-H2O
Show all 38 synonyms
  • LiOH.H2O
  • H2LiO2
  • Lithium hydroxide-hydrate
  • lithium hydroxide, hydrate
  • Lithiumhydroxid monohydrate
  • Lithiumhydroxid-monohydrate
  • lithiumhydroxide monohydrate
  • lithium hyroxide monohydrate
  • lithum hydroxide monohydrate
  • lithium hydroxide-monohydrate
  • Monohydrate lithium hydroxide
  • lithium hydroxide mono hydrate
  • lithium hydroxide-mono hydrate

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
Crystalsexp.
Melting point
450 to 471exp.
Density
1.51 g/cm³exp.
Solubility
Solubility in water, g/100ml at 20 °C: 19.1 (good)exp.

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
41.96 g/molcalc.
Exact mass
42.0293 Dacalc.
LogP (octanol/water)
-4calc.
Topological polar surface area
61.5 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
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
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301 + H311Toxic if swallowed. Toxic in contact with skin.
  • H301Toxic if swallowed.
  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H331Toxic if inhaled.
Precautionary statements (24)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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 + P316If swallowed: Get emergency medical help immediately.
  • 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.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2680

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

Lithium hydroxide, monohydrate suppliers

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

All 71 suppliers
30 of 30 offers

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Where suppliers are based

71 suppliers in 15 countries

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Lithium hydroxide, monohydrate 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

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Lithium hydroxide, monohydrate is traded under.

HS 2825.20Indicative HS code

Lithium oxide and hydroxide

World exports in 2024
$2.77B
−65.0% vs 2023, imports $2.56B
2019 to 2024
Top exporters
  1. China80.3%
  2. Chile7.1%
  3. United States6.1%
Top importers
  1. South Korea62.8%
  2. Japan24.4%
  3. China5.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Lithium hydroxide, monohydrate, based on the data on this page

What is Lithium hydroxide, monohydrate?

Small colorless crystals. Denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption. Used to make electric storage batteries, soaps, and lubricants.

What is the CAS number of Lithium hydroxide, monohydrate?

The CAS registry number of Lithium hydroxide, monohydrate is 1310-66-3. Other or deprecated CAS numbers: 55622-30-5, 76576-67-5.

What is the molecular formula and weight of Lithium hydroxide, monohydrate?

The molecular formula of Lithium hydroxide, monohydrate is H3LiO2 and its molar mass is 41.96 g/mol.

What is Lithium hydroxide, monohydrate used for?

Is Lithium hydroxide, monohydrate hazardous?

Lithium hydroxide, monohydrate carries the GHS signal word "Danger". Main hazards: toxic if swallowed. toxic in contact with skin, toxic if swallowed, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Lithium hydroxide, monohydrate?

Lithium hydroxide, monohydrate is usually classified under HS code 282520 (Lithium oxide and hydroxide). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Lithium hydroxide, monohydrate?

CompoundList lists 71 suppliers of Lithium hydroxide, monohydrate in China, India, United States, United Kingdom and 11 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Lithium hydroxide, monohydrate in India?

20 suppliers in India list Lithium hydroxide, monohydrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Lithium hydroxide, monohydrate?

Suppliers quote Lithium hydroxide, monohydrate 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 Lithium hydroxide, monohydrate

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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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