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VAQORAPolymers & ResinsAvailable on request
Plaster of paris
Synonyms: Calcium sulfate, hemihydrate · Calcium sulfate hemihydrate · Gypsum hemihydrate · Crystacal
CAS No.10034-76-1
FormulaCa2H2O9S2
Mol. weight290.30
Catalogue No.VQ-018829
PurityOn COA
HSN2833
Plaster of paris (CAS 10034-76-1) – polymer. Ca2H2O9S2, MW 290.3. COA included. Worldwide shipping from Vaqora Chemicals. High-purity grade with batch COA.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Plaster of paris
Vaqora Chemicals supplies Plaster of paris, a polymer registered under CAS number 10034-76-1. With the molecular formula Ca2H2O9S2, it has a molar mass of 290.3 g/mol. The IUPAC name is dicalcium. Disulfate. Hydrate. Alternative names: Calcium sulfate, hemihydrate and Calcium sulfate hemihydrate.
The material typically appears as a powder white to off-white powder. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.
Typical applications include polymer research, coatings and films and formulation development. Buyers come mainly from polymers and plastics and paints and coatings.
Standard pack sizes are 500 g, 5 kg and 4 x 25 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.
Typical applications
- Polymer research
- Coatings & films
- Formulation development
Industries
Specifications & identifiers
| Product name | Plaster of paris |
|---|---|
| Catalogue No. | VQ-018829 |
| CAS Number | 10034-76-1 |
| IUPAC name | dicalcium;disulfate;hydrate |
| Molecular formula | Ca2H2O9S2 |
| Molecular weight | 290.3 g/mol |
| Exact mass | 289.8392 |
| HSN code | 2833 |
| InChIKey | ZOMBKNNSYQHRCA-UHFFFAOYSA-J |
| SMILES | O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Ca+2].[Ca+2] |
| PubChem CID | 3033839 |
| Physical form | Powder |
|---|---|
| Appearance | Powder white to off-white powder |
| H-bond donors / acceptors | 1 / 9 |
| TPSA | 178 Ų |
| Synonyms | Calcium sulfate, hemihydrate, Calcium sulfate hemihydrate, Gypsum hemihydrate, Crystacal, Densite, Hemihydrate gypsum, Densite (gypsum), Plaster of Paris (Ca(SO4).1/2H2O), Sulfuric acid, calcium salt, hydrate (2:2:1), calcium sulphate hemihydrate, TA 20, Plaster of Paris, total dust |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H335May cause respiratory irritation
Precautionary statements: P261, P271, P304 + P340, P319, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Plaster of paris?
The CAS Registry Number of Plaster of paris is 10034-76-1. It is also known as Calcium sulfate, hemihydrate, Calcium sulfate hemihydrate, Gypsum hemihydrate.
What is the molecular formula and molecular weight of Plaster of paris?
Plaster of paris has the molecular formula Ca2H2O9S2 and a molecular weight of 290.3 g/mol.
Which grade and pack sizes of Plaster of paris can I order?
We supply Plaster of paris, in 500 g, 5 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Plaster of paris?
Yes. Every lot of Plaster of paris is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Plaster of paris be shipped internationally?
Yes. Plaster of paris is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Plaster of paris
We reply within one business day with price, pack options, lead time and documentation.
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