Calcium sulfate dihydrate
- CAS No.
- 10101-41-4
- Chemical Name:
- Calcium sulfate dihydrate
- Synonyms
- GYPSUM;CALCIUM SULPHATE DIHYDRATE;selenite;CSD;gypse;annaline;satinite;alabaster;lightspar;c.i. 77231
- CBNumber:
- CB5110067
- Molecular Formula:
- CaH6O5S
- Molecular Weight:
- 158.18
- MOL File:
- 10101-41-4.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/3/14 20:53:47
| Melting point | 128°C -1.5H₂O |
|---|---|
| Boiling point | 163°C -2H₂O |
| Density | 2.32 |
| Flash point | 163°C -2H₂O |
| storage temp. | Store at +5°C to +30°C. |
| solubility | H2O: 0.01 M at 20 °C, clear, colorless |
| form | powder |
| color | White |
| Specific Gravity | 2.32 |
| PH | 7.0 (50g/l, H2O, 20℃)(slurry) |
| Odor | at 100.00?%. odorless |
| Water Solubility | 2 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| Merck | 14,1706 |
| Solubility Product Constant (Ksp) | pKsp: 4.5 |
| Dielectric constant | 2.5（Ambient） |
| Exposure limits | ACGIH: TWA 10 mg/m3 |
| Stability | Stable. Incompatible with aluminium, strong acids. |
| InChIKey | PASHVRUKOFIRIK-UHFFFAOYSA-L |
| LogP | -1.031 (est) |
| CAS DataBase Reference | 10101-41-4(CAS DataBase Reference) |
| NIST Chemistry Reference | calcium sulfate(10101-41-4) |
| EPA Substance Registry System | Calcium sulfate dihydrate (10101-41-4) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P280-P305+P351+P338-P321 | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 20/21/22-36/37/38 | |||||||||
| Safety Statements | 22-24/25-36-26 | |||||||||
| OEB | B | |||||||||
| OEL | TWA: 5.0 mg/m3 | |||||||||
| WGK Germany | 1 | |||||||||
| RTECS | EW4150000 | |||||||||
| TSCA | Yes | |||||||||
| HS Code | 28332990 | |||||||||
| Toxicity | LD50 orally in Rabbit: > 10000 mg/kg | |||||||||
| NFPA 704 |
|
Calcium sulfate dihydrate price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | C3771 | Calcium sulfate dihydrate ReagentPlus?, ≥99% | 10101-41-4 | 500G | ₹6066.25 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | C3771 | Calcium sulfate dihydrate ReagentPlus?, ≥99% | 10101-41-4 | 1KG | ₹6477.7 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 255548 | Calcium sulfate dihydrate ACS reagent, 98% | 10101-41-4 | 100G | ₹4821.35 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 255548 | Calcium sulfate dihydrate ACS reagent, 98% | 10101-41-4 | 500G | ₹4842.45 | 2022-06-14 | Buy |
| Sigma-Aldrich(India) | 255548 | Calcium sulfate dihydrate ACS reagent, 98% | 10101-41-4 | 1KG | ₹16394.7 | 2022-06-14 | Buy |
Calcium sulfate dihydrate Chemical Properties,Uses,Production
Chemical Properties
monoclinic; hardness 1.5–2.0 Mohs; lumps or white powder(s); used in manufacturing portland cement, plaster of paris and artificial marble [KIR78] [MER06] [STR93]
Uses
Calcium Sulfate Dihydrate is obtained from gypsum, a naturally occurring compound. Also used in the preparation of calcium sulfate and calcium sulfoaluminate.
Definition
A mineral that consists of calcium sulfate with water molecules attached, or the rock that consists primarily of this mineral.
Hazard
Nasal symptoms.
Agricultural Uses
Selenite, which is a salt of selenic acid (H2SeO3), and very similar to sulphite, is made by the oxidation of selenium by nitric acid. The low solubility of ironselenite complexes is responsible for the non-toxic level of selenium in plants growing on acid soils having a very high total selenium content. Plants absorb selenite, but generally to a lesser extent, than selenate, which is another form of selenium.
Safety Profile
Human systemic effects by inhalation: fibrosing alveolitis ('growth of fibrous tissue in the lung), unspecified respiratory system effects, and unspecified effects on the nose. Questionable carcinogen with experimental carcinogenic data. Long considered a nuisance dust (dependmg on silica content). When heated to decomposition it emits toxic fumes of SO,. See also CALCIUM SULFATE, CALCIUM COMPOUNDS, and SULFATES.
Purification Methods
It loses only part of its H2O at 100-150o (see below). It is soluble in H2O and very slowly soluble in glycerol. It is insoluble in most organic solvents.
Calcium sulfate dihydrate Preparation Products And Raw materials
Raw materials
Preparation Products
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| Supplier | Advantage |
|---|---|
| S D Fine Chem Limited | 58 |
| Indiana ChemPort | 58 |
| ADVENT CHEMBIO PRIVATE LIMITED | 58 |
| VAYUNANDAN IMPEX | 58 |
| JSK Chemicals | 58 |
| HRV Global Life Sciences | 58 |
| Annexe Chem Pvt Ltd | 58 |
| Sujata Chemicals | 58 |
| Merck Ltd | 58 |
| NEELKANTH FINECHEM | 58 |
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