Molekula
Calcium hydroxide
Calcium hydroxide is a white, alkaline powder used in industrial processes, water treatment, and as a reagent in chemical synthesis. It is highly corrosive and requires careful handling. Available in powder form with a molecular weight of 74.09 g/mol, CAS number 1305-62-0, and stored at ambient temperatures. Signal word: Danger. Molekula supplies Calcium hydroxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Calcium hydroxide is a white, alkaline powder used in industrial processes, water treatment, and as a reagent in chemical synthesis. It is highly corrosive and requires careful handling. Available in powder form with a molecular weight of 74.09 g/mol, CAS number 1305-62-0, and stored at ambient temperatures. Signal word: Danger. Molekula supplies Calcium hydroxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Beige powder |
| pH | 12.4-12.6 |
| Assay | ≥96.0% |
| Impurities | ≤4% calcium carbonate (CaCO3) |
| Cadmium (Cd) | ≤50 mg/kg |
| Iron (Fe) | ≤500 mg/kg |
| Lead (Pb) | ≤50 mg/kg |
| Sulphate (SO4) | ≤500 mg/kg |
| Potassium (K) | ≤200 mg/kg |
| Chloride(Cl) | ≤200 mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 1305-62-0 |
| Molecular Formula | Ca(OH)2 |
| Molecular Weight | 74.09 |
| SMILES | O[Ca]O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28259090 |
| Tariff Code | 2825901900 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is calcium hydroxide used for?
Calcium hydroxide is commonly used in water treatment, soil stabilization, and as a reagent in chemical synthesis.
What is the chemical formula and molecular weight of calcium hydroxide?
The formula is Ca(OH)2 and the molecular weight is 74.09 g/mol.
How should calcium hydroxide be stored?
It should be stored at ambient temperature in a dry, well-ventilated area.
What grade of calcium hydroxide does Molekula supply?
Molekula supplies calcium hydroxide in reagent grade.
Can Molekula supply calcium hydroxide in bulk?
Yes, Molekula can supply calcium hydroxide in bulk quantities upon request.
What documentation comes with a calcium hydroxide order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.