Inorganic Acids & Bases
REACH
Lithium hydroxide monohydrate
CAS Number
1310-66-3
EC Number
603-454-3
What is Lithium hydroxide monohydrate?
Lithium hydroxide monohydrate (CAS 1310-66-3) is a high-purity inorganic base used in battery manufacturing, industrial chemistry and specialty lubrication.
Where is Lithium hydroxide monohydrate used?
- Lithium-ion batteries: precursor for cathode active materials such as NMC and NCA
- Lubricants: saponifies fatty acids into lithium-based greases for high-temperature, high-load use
- Water treatment: pH adjustment in closed-loop nuclear and industrial cooling circuits, where alkalinity control prevents corrosion
- Pharmaceutical and specialty chemical synthesis: catalyst or base requiring a soluble lithium source
Good to know: The monohydrate form is preferred where anhydrous forms would introduce handling or reactivity complications.
Commercial specifications
- Particle size selected for dissolution rate
- Technical and battery grades
- Battery-grade limits on sodium, calcium and sulfate
Other Names (Synonyms)
lithium hydroxide hydrate|Lithium hydroxide (Li(OH)), monohydrate|Lithium hydroxide (USP)|RefChem:799552
What are the physical properties of Lithium hydroxide monohydrate?
Melting Point 450 °C
Boiling Point 920 °C
Density 1.51 g/cm³
Appearance white crystals or pellets
Color White to cream or yellow
Odor Odorless
Form Solid
Water Solubility 109 g/L (20 ºC)
pH ~12 (25℃, 1M in H2O)
How is Lithium hydroxide monohydrate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS06· Toxic GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
Which trade and regulatory codes apply to Lithium hydroxide monohydrate?
HS Code 28252000
UN Number 2680
ADR Class 8
Packing Group II
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 2