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High quality Calcium sulfate hemihydrate supplier in China
Cas No: 10034-76-1
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Calcium sulfate hemihydrate
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No Data 1 Metric Ton 10 Metric Ton/Month Hebei yanxi chemical co.,LTD. Contact Supplier
Calcium sulfate hemihydrate CAS.10034-76-1
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Calcium sulfate hemihydrate
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Calcium sulfate hemihydrate
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Calcium sulfate hemihydrate CAS NO.10034-76-1
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CAS NO.10034-76-1 Sulfuric acid, calciumsalt, hydrate (2:2:1)
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USD $ 50.0-100.0 / Gram 1 Gram 10000 Metric Ton/Month Wuhan Monad Medicine Tech Co.,LTD Contact Supplier
Calcium sulfate hemihydrate
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No Data 1 Kilogram 1000 Metric Ton/Month Haihang Industry Co.,Ltd. Contact Supplier
Calcium Sulfate Hemihydrate
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No Data 2 Kilogram 150 Kilogram/Week Career Henan Chemical Co Contact Supplier
High quality Calcium sulfate hemihydrate
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USD $ 100.0-100.0 / Kilogram 1 Kilogram 10000 Kilogram/Day Metric Ton/Day Zibo Hangyu Import&Export Co., Ltd Contact Supplier

10034-76-1 Usage

Description

Calcium sulfate hemihydrate (CaSO4 • 0.5H2O) is the dehydrated product of gypsum, calcium sulfate dihydrate (CaSO4•2H2O). It is obtained by heating gypsum to approximately 150°C. It is known as gypsum plaster or plaster of Paris (POP). On adding water, it solidifies by an exothermic reaction into hydrated calcium sulphate. It is commonly used to precast and hold parts of ornamental plasterwork placed on ceilings and cornices. Plaster of Paris casts can be used as a treatment of fractures to immobilize the limb. It is also used as a desiccant, and in medicine as a tablet excipient.

Purification Methods

Its solubility in H2O is 0.2parts/100 at 18.75o. It dehydrates completely >650o. Dry it below 300o to give a solid with estimated pore size ca 38% of volume. Anhydrous CaSO4 (Drierite) has a high affinity for H2O and will absorb 6.6% of its weight of H2O to form the hemihydrate (gypsum). It sets to a hard mass with H2O; hence it should be kept in a tightly sealed container. The solubility of gypsum in H2O is unusual: 0.176% at 0o, 0.209% at 30o, 0.210 at 40o, 0.204 at 50o and 0.200 at 60o. [Hulett J Am Chem Soc 27 49 1905, James & Partington J Chem Soc 107 1019 1915, Namba J Soc Chem Ind 40 2797 1920.]

Chemical Properties

white or slightly off-white powder or granules
InChI:InChI=1/Ca.H2O4S.H2O.2H/c;1-5(2,3)4;;;/h;(H2,1,2,3,4);1H2;;/p-2/rCaH2.H2O4S.H2O/c;1-5(2,3)4;/h1H2;(H2,1,2,3,4);1H2/p-2

10034-76-1 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Sigma-Aldrich (12090)  Calciumsulfatehemihydrate  purum, ≥97.0% 10034-76-1 12090-1KG-R 514.80CNY Detail

10034-76-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name calcium sulfate hemihydrate

1.2 Other means of identification

Product number -
Other names Calcium sulfate,medicinal

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:10034-76-1 SDS

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