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Chemical Name:
gibs;crysalba;thiolite;anhydrite;muriacite;karstenite;Calciumsulfat;DRIERITE 4 MESH;DRIERITE 6 MESH;DRIERITE 8 MESH
Molecular Formula:
Formula Weight:
MOL File:


Melting point:
1450 °C
storage temp. 
Store at RT.
Water Solubility 
Soluble in water.
Moisture Sensitive
Stable. Incompatible with aluminium, strong acids.
CAS DataBase Reference
7778-18-9(CAS DataBase Reference)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,N,Xi
Risk Statements  49-42/43-51/53-36/37-68-60-50/53
Safety Statements  53-22-36/37-45-60-24/25-36-26-61
RIDADR  UN 3077 9/PG 3
WGK Germany  1
RTECS  WS6920000
HazardClass  9
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger
H401 Toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 2 P273, P501
H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P201 Obtain special instructions before use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 Wear respiratory protection.
P321 Specific treatment (see … on this label).
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P405 Store locked up.

CALCIUM SULFATE price More Price(40)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 237132 Calcium sulfate 325 mesh, 99% 7778-18-9 100g $49.3 2018-11-13 Buy
Sigma-Aldrich 237132 Calcium sulfate 325 mesh, 99% 7778-18-9 500g $136 2018-11-13 Buy
Alfa Aesar 011116 Calcium sulfate, anhydrous, Puratronic?, 99.993% (metals basis) 7778-18-9 10g $114 2018-11-16 Buy
Alfa Aesar 011116 Calcium sulfate, anhydrous, Puratronic?, 99.993% (metals basis) 7778-18-9 2g $38.1 2018-11-16 Buy
Sigma-Aldrich 737828 Drierite? with indicator, 10-20 mesh 7778-18-9 454g $54.8 2018-11-13 Buy

CALCIUM SULFATE Chemical Properties,Uses,Production

Chemical Properties

white powder or granules

Chemical Properties

Calcium sulfate forms white to clear crystals. It is commonly encountered in the anhydrous form or as the dihydrate.


Pharmaceutic aid (tablet and capsule diluent).

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).

Safety Profile

A nuisance dust. Reacts violently with aluminum when heated. Mixtures with diazomethane react exothermically and eventually explode. Mixtures with phosphorus ignite at high temperatures. When heated to decomposition it emits toxic fumes of SO,, See also CALCIUM COMPOUNDS and SULFATES.

Potential Exposure

Calcium sulfate is used as a pigment; in Portland cement, in tiles and plaster; in polishing powders, a filler in paints and paper coatings; in the drying of gases and liquids; a soil conditioner; in molds and surgical casts; in wallboard, and many others.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomi


Calcium sulfate is a “NONREGULATED MATERIAL.”


Contact with diazomethane, aluminum, phosphorus, and water may cause explosions. Note: Hygroscopic material (i.e., absorbs moisture from the air). Reacts with water, forming gypsum and plaster of Paris.

Waste Disposal


CALCIUM SULFATE Preparation Products And Raw materials

Raw materials

Preparation Products


Global( 123)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
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Mainchem Co., Ltd.
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future industrial shanghai co., ltd 400-0066-400;021-60496031
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Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30308 84
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86 (10) 60270825 China 1443 62
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44192 61


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