CAS 10101-41-4 Calcium sulfate dihydrate
Synonyms: GYPSUM;c.i. 77231;CALCIUM SULFATE-2-HYDRATE;CALCIUM SULFATE SOLUTION R;CALCIUM SULFATE DIHYDRATE;CALCIUM SULPHATE 2H2O;CALCIUM SULPHATE 2-HYDRATE;CALCIUM SULPHATE DIHYDRATE
CAS: 10101-41-4
MF: CaH4O6S
MW: 172.17
EINECS: 231-900-3
Product Categories: Analytical Reagents for General Use;C-D, Puriss p.a. ACS;Puriss p.a. ACS;ACS GradeSynthetic Reagents;Essential Chemicals;Routine Reagents;Catalysis and Inorganic Chemistry;Chemical Synthesis;Inorganic Salts;Synthetic Reagents;metal sulfate
Product Name: Calcium sulfate dihydrate
Synonyms: GYPSUM;c.i. 77231;CALCIUM SULFATE-2-HYDRATE;CALCIUM SULFATE SOLUTION R;CALCIUM SULFATE DIHYDRATE;CALCIUM SULPHATE 2H2O;CALCIUM SULPHATE 2-HYDRATE;CALCIUM SULPHATE DIHYDRATE
CAS: 10101-41-4
MF: CaH4O6S
MW: 172.17
EINECS: 231-900-3
Product Categories: Analytical Reagents for General Use;C-D, Puriss p.a. ACS;Puriss p.a. ACS;ACS GradeSynthetic Reagents;Essential Chemicals;Routine Reagents;Catalysis and Inorganic Chemistry;Chemical Synthesis;Inorganic Salts;Synthetic Reagents;metal sulfate
Calcium sulfate dihydrate Chemical Properties:
Melting point: 128°C -1.5H₂O
Boiling point: 163°C -2H₂O
Density: 2.32
Fp: 163°C -2H₂O
Storage temp.: Store at RT.
Solubility: H2O: 0.01 M at 20 °C, clear, colorless
Form: powder
Color: White
PH: 7.0 (50g/l, H2O, 20℃)(slurry)
Water Solubility: 2 g/L (20 ºC)
Stability: Stable. Incompatible with aluminium, strong acids.
HS Code: 28332990
Agricultural application: Mineral gypsum (CaSO4·2H20) is the most commonly used amendment for sodic and alkali soil reclamation. Gypsum reclaims alkali soils and is thus beneficial to agriculture. Much of the high-grade gypsum comes from the wet process phosphoric acid industry. Given the high demand for phosphorus in the world, many industrial plants have been set up in many countries. This has given rise to huge amounts of phosphogypsum waste, giving rise to disposal problems. Mineral gypsum also poses the same problem.
Uses: Calcium sulfate dihydrate can be used as raw material of building materials and cement, it can also be widely used in rubber, plastics, fertilizers, pesticides, paints, textiles, food, pharmaceutical, paper, household chemicals, arts and crafts, culture and education sectors. In the areas of absence of sulfur resource Calcium sulfate dihydrate can be used to manufacture sulfuric acid and ammonium sulfate. Colorless and transparent gypsum can be used for optical materials.
Uses: Used in this determination of oxalates
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.
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