Molekula
Calcium sulfate dihydrate
Calcium sulfate dihydrate, also known as gypsum, is a white crystalline powder used in construction, agriculture, and pharmaceuticals as a setting agent and filler. It is stable at ambient temperatures and poses no significant hazards. CAS: 10101-41-4, Molecular formula: CaO4S · 2H2O, Molecular weight: 172.17 g/mol. Molekula supplies calcium sulfate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Calcium sulfate dihydrate, also known as gypsum, is a white crystalline powder used in construction, agriculture, and pharmaceuticals as a setting agent and filler. It is stable at ambient temperatures and poses no significant hazards. CAS: 10101-41-4, Molecular formula: CaO4S · 2H2O, Molecular weight: 172.17 g/mol. Molekula supplies calcium sulfate dihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Heavy metals | ≤ 0.001% |
| Identification | Conforms to reference |
| Assay | ≥ 98.0% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 10101-41-4 |
| Molecular Formula | CaO4S · 2H2O |
| Molecular Weight | 172.17 |
| SMILES | O.O.[O-]S(=O)(=O)[O-].[Ca+2] |
| REACH Code | Y113 |
| HTS Code | 2833.29.51.90 |
| Tariff Code | 2833298080 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
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 sulfate dihydrate used for?
It is commonly used as a desiccant, in cement and plaster formulations, and as a food additive (E516) for pH control and as a firming agent.
What is the chemical formula and molecular weight?
The formula is CaO4S · 2H2O with a molecular weight of 172.17 g/mol.
How should calcium sulfate dihydrate be stored?
It should be stored at ambient temperature, in a dry, well-ventilated area, away from moisture.
What grade is available?
We offer reagent grade and technical grade; please specify your application for the appropriate grade.
Can Molekula supply it in bulk?
Yes, we can supply calcium sulfate dihydrate in bulk quantities—contact us for pricing and delivery options.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
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.