Sulfuric acid, calciumsalt (1:1) price Sulfuric acid, calciumsalt (1:1) CAS 7778-18-9 Sulfuric acid, calciumsalt (1:1) supplier in China
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CALCIUM SULFATE Chemical Properties |
mp | 1450 °C |
density | 2.960 |
storage temp. | Store at RT. |
Sensitive | Moisture Sensitive |
Merck | 14,1706 |
Stability: | Stable. Incompatible with aluminium, strong acids. |
CAS DataBase Reference | 7778-18-9(CAS DataBase Reference) |
Safety Information |
Hazard Codes | T,N,Xi |
Risk Statements | 49-42/43-51/53-36/37 |
Safety Statements | 53-22-36/37-45-60-24/25-36-26 |
RIDADR | UN 3077 9/PG 3 |
WGK Germany | 1 |
RTECS | WS6920000 |
F | 3 |
CALCIUM SULFATE Usage And Synthesis |
Chemical Properties | white powder or granules |
General Description | Odorless, white powder or colorless, crystalline solid. Crystals sometimes have a blue, gray or reddish tinge or can be brick red. Density: 2.96 g cm-3. |
Reactivity Profile | CALCIUM SULFATE is non-combustible. Decomposes to give toxic oxides of sulfur, but only at very high temperature (>1500°C). Generally of low reactivity but may act as an oxidizing agent: incompatible with diazomethane, aluminum, and phosphorus. Certain forms of CALCIUM SULFATE react with water; others do not. INSOLUBLE ANHYDRITE or dead-burned gypsum is made by the dehydration of CALCIUM SULFATE dihydrate (gypsum) at high (> 600°C) temperature. At room temperature, insoluble anhydrite dissolves very slowly to the extent of 0.24 g per 100 g of water and does not absorb moisture from the air. SOLUBLE ANHYDRITE, which is obtained by heating CALCIUM SULFATE dihydrate at a temperature below 300°C, has a high affinity for water and is used as a desiccant. Soluble anhydrite absorbs water to form CALCIUM SULFATE hemihydrate (Plaster of Paris). |
CALCIUM SULFATE Preparation Products And Raw materials |
Raw materials | Sulfuric acid -->CALCIUM CARBONATE-->Calcium sulfate dihydrate -->Calcium oxalate |
Preparation Products | N-(2-AMINOETHYL)MALEIMIDE TRIFLUOROACETA-->(S)-(+)-alpha-Methoxyphenylacetic acid-->3-CYCLOPENTENE-1-OL-->2,2,6,6-Tetramethylpiperidinooxy-->Flour improver-->Bacillus thuringiensis-->DAOREYOU-->Calcium naphthenate |
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