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Ammoniumsulfat Produkt Beschreibung

Ammonium sulfate Struktur
7783-20-2
CAS-Nr.
7783-20-2
Bezeichnung:
Ammoniumsulfat
Englisch Name:
Ammonium sulfate
Synonyma:
Liase;dolamin;nsc77671;actamaster;(NH4)2 SO4;mascagnite;Wasfcaguite ;Ammonium suL;caswellno.048;Ammoniumsulfat
CBNumber:
CB9466357
Summenformel:
H8N2O4S
Molgewicht:
132.14
MOL-Datei:
7783-20-2.mol

Ammoniumsulfat Eigenschaften

Schmelzpunkt:
>280 °C (dec.) (lit.)
Dichte
1.77 g/mL at 25 °C (lit.)
Dampfdruck
<1 Pa (25 °C)
Brechungsindex
n20/D 1.396
Flammpunkt:
26 °C
storage temp. 
room temp
Löslichkeit
H2O: 1 M at 20 °C, clear, colorless
Aggregatzustand
Solid
Wichte
1.769
Farbe
Yellow to orange
PH
5.0-6.0 (25℃, 1M in H2O)
Geruch (Odor)
Slight odor of ammonia
Säure-Base-Indikators(pH-Indikatoren)
5 - 6
Wasserlöslichkeit
77 g/100 mL (25 ºC)
maximale Wellenlänge (λmax)
λ: 260 nm Amax: ≤0.037
λ: 280 nm Amax: ≤0.030
Merck 
14,555
Stabilität:
Stable. Contact with strong oxidizers may cause fire or explosion. Incompatible with strong bases.
InChIKey
BFNBIHQBYMNNAN-UHFFFAOYSA-N
CAS Datenbank
7783-20-2(CAS DataBase Reference)
EPA chemische Informationen
Ammonium sulfate (7783-20-2)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
Kennzeichnung gefährlicher Xi,Xn
R-Sätze: 10-36/37/38-22
S-Sätze: 37/39-26-36-24/25
RIDADR  UN 1170 3/PG 3
WGK Germany  1
RTECS-Nr. BS4500000
TSCA  Yes
HS Code  31022100
Giftige Stoffe Daten 7783-20-2(Hazardous Substances Data)
Toxizität LD50 orally in Rabbit: 2840 mg/kg
Bildanzeige (GHS)
Alarmwort
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312
H412 Schädlich für Wasserorganismen, mit langfristiger Wirkung. Langfristig (chronisch) gewässergefährdend Kategorie 3 P273, P501
Sicherheit
P273 Freisetzung in die Umwelt vermeiden.

Ammoniumsulfat Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:

R10:Entzündlich.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R22:Gesundheitsschädlich beim Verschlucken.

S-Sätze Betriebsanweisung:

S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.

Beschreibung

Ammonium sulfate was the first nitrogenous fertilizer made by the Haber-Bosch process, produced by the reaction of ammonia with sulfuric acid. In contrast with the nitrate salt, it is chemically stable, not highly hygroscopic. It also supplies supplemental sulfur to soils that may be deficient in this element, but this is of minor value when it is used on soils receiving applications of ordinary superphosphate.
The disadvantages of the material are its relatively low nitrogen content, which increases storage and transportation costs, and its marked tendency to cause soil acidification, which is greater than that of any other nitrogen fertilizer material.

Chemische Eigenschaften

White crystalline powder

Physikalische Eigenschaften

White crystalline solid; orthorhombic crystal; density 1.769 g/cm3 at 20°C; melts between 511 to 515°C (in a closed system): however, in an open system, it melts with decomposition at 280°C; readily dissolves in water (solubility, 70.6 g and 104 g per 100 g water at 0°C and 100°C, respectively); insoluble in acetone, alcohol and ether.

Occurrence

Ammonium sulfate occurs in trace concentrations in the upper atmosphere. It is widely used as a fertilizer for rice and other crops. It is a source of sulfur for the soil. It is also used as an additive to supply nutrient nitrogen in fermentation processes (e.g., yeast production from molasses). It also is used for fireproofing timber and plastics, and in treatment of hides, and leather production.

Verwenden

May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.

Verwenden

manufacture of ammonia alum; in the manufacture of H2SO4 to free it from nitrogen oxides; analytical uses; freezing mixtures, flameproofing fabrics and paper; manufacture of viscose silk; tanning, galvanizing iron; in fractionation of proteins. The commercial grade is used as fertilizer.

Verwenden

Ammonium Sulfate is a dough conditioner, firming agent, and pro- cessing aid which is readily soluble in water with a solubility of approximately 70 g in 100 g of water at 0°c. the ph of a 0.1 molar solution in water is approximately 5.5. it is used in caramel produc- tion and as a source of nitrogen for yeast fermentation. in bakery products, up to 0.25 part per 100 parts by weight of flour is used.

Vorbereitung Methode

Ammonium sulfate is a high-tonnage industrial chemical, but frequently may be considered a byproduct as well as intended end-product of manufacture. A significant commercial source of (NH4)2SO4 is its creation as a byproduct in the manufacture of caprolactam, which yields several tons of the compound per ton of caprolactam made. Ammonium sulfate also is a byproduct of coke oven operations where the excess NH3 formed is neutralized with H2SO4 to form (NH4)2SO4. In the Meresburg reaction, natural or byproduct gypsum is reacted with ammonium carbonate: CaSO4·2H2O + (NH4)2CO3 CaCO3 + (NH4)2SO4 +2 H2O The product is stable, free-flowing crystals. As a fertilizer, (NH4)2SO4 has the advantage of adding sulfur to the soil as well as nitrogen. By weight, the compound contains 21% N and 24% S. Ammonium sulfate also is used in electric dry cell batteries, as a soldering liquid, as a fire retardant for fabrics and other products, and as a source of certain ammonium chemicals.

Definition

ammonium sulphate: A whiterhombic solid, (NH4)2SO4; r.d. 1.77;decomposes at 235°C. It is very solublein water and insoluble in ethanol.It occurs naturally as the mineralmascagnite. Ammonium sulphatewas formerly manufactured from the‘ammoniacal liquors’ produced duringcoal-gas manufacture but is nowproduced by the direct reaction betweenammonia gas and sulphuricacid. It is decomposed by heating torelease ammonia (and ammoniumhydrogensulphate) and eventuallywater, sulphur dioxide, and ammonia.Vast quantities of ammoniumsulphate are used as fertilizers.

Allgemeine Beschreibung

White odorless solid. Sinks and dissolves in water.

Air & Water Reaktionen

Dissolves in water with evolution of some heat.

Reaktivität anzeigen

Ammonium sulfate is acidic in aqueous solution. When a little Ammonium sulfate is added to fused potassium nitrite, a vigorous reaction occurs attended by flame [Mellor 2:702 1946-47].

Landwirtschaftliche Anwendung

Ammonium sulphate, (NH4)2SO4, a water-soluble crystalline salt is a nitrogenous fertilizer containing about 2 1 % nitrogen and 24 % sulphur. It occurs naturally as the mineral mascagnite and offers many advantages as a fertilizer, such as low hygroscopicity, good physical properties, excellent chemical stability, good agronomic effectiveness and long shelf life.
Ammoniacal nitrogen is fned in the soil in an exchangeable form until nitrated by nitrifying bacteria. The ammoniacal nitrogen of ammonium sulphate does not leach out easily. Ammonium sulphate is an acid forming fertilizer, and hence used in neutral or alkaline soils. In its free flowing form, it is directly applied to the soil or blended with other granular materials. Ammonium sulphate also supplies sulphur, which is an essential nutrient for plants.
Ammonium sulphate is a quick-acting fertilizer. It is resistant to leaching as it gets adsorbed on the soil colloids, clay and humus, and replaces calcium. This adsorbed ammonium salt is converted to nitrate by nitrifying bacteria for use by growing plants. Ammonium sulphate is produced in different ways, The major ones are: (i) Production from synthesized ammonia and sulphuric acid.
(ii) Production of ammonium sulphate fertilizer by the gypsum process is widely used in many developing countries. In this process, ammonia is used along with pulverized calcium sulphate, carbon dioxide and water. Here ammonia made from nitrogen and hydrogen, reacts with carbon dioxide gas to produce ammonium carbonate. Ground gypsum reacts with ammonium carbonate solution to form ammonium sulphate and calcium carbonate.
Ammonium sulphate is commonly transported in polythene or paper bags. It is adsorbed on soil colloids, clay and humus, replacing calcium. It is more beneficial than nitrate fertilizers at planting time. This adsorbed portion is slowly released and in about a month most of the ammonium sulphate is converted into the nitrate form, which is used by growing plants.
Since rice crops absorb nitrogen even in the ammoniacal form, ammonium sulphate fertilizer is used as a source of nitrogen for rice in the USA and Southeast Asia. In the USA, ammonium sulphate is also used for potato scab control.
The main disadvantages of ammonium sulphate are its acid forming nature, low nitrogen percentage (21%) and high costs for packaging, storage and transportation.

Sicherheitsprofil

Moderately toxic by several routes. Human systemic effects by ingestion: hypermotility, diarrhea, nausea or vomiting. See also SULFATES. Incandescent reaction on heating with potassium chlorate. Reaction with sodmm hypochlorite gves the unstable explosive nitrogen trichloride. Incompatible with (K + NH4NO3), KNO2, (NaK + NH4NO3). When heated to decomposition it emits very toxic fumes of NOx, NH3, and SOx.

läuterung methode

Crystallise it twice from hot water containing 0.2% EDTA to remove metal ions, then finally from distilled water. Dry it in a desiccator for 2 weeks over Mg(ClO4)2. After 3 recrystallisations, ACS grade had Ti, K, Fe, Na at 11, 4.4, 4.4, 3.2 ppm respectively.

Ammoniumsulfat Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Ammoniumsulfat Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 530)Lieferanten
Firmenname Telefon Fax E-Mail Land Produktkatalog Edge Rate
Jiangsu Kolod Food Ingredients Co.,Ltd.
+8618805133257 +86-518-85110578 18805133257
+86-518-85110578 sales3257@jskolod.com China 126 60
Henan Tianfu Chemical Co.,Ltd.
0371-55170693
0371-55170693 info@tianfuchem.com CHINA 22607 55
Hangzhou FandaChem Co.,Ltd.
008615858145714
+86-571-56059825 fandachem@gmail.com CHINA 8882 55
Hefei TNJ Chemical Industry Co.,Ltd.
86-0551-65418684 18949823763
86-0551-65418684 info@tnjchem.com China 3001 55
Shanxi Naipu Import and Export Co.,Ltd
+8613734021967
kaia@neputrading.com CHINA 1010 58
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3623 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 29961 58
Hubei Jusheng Technology Co.,Ltd.
86-18871470254
027-59599243 linda@hubeijusheng.com CHINA 28229 58
Hebei Guanlang Biotechnology Co., Ltd.
+8619930503282
sales3@crovellbio.com China 5450 58
Xiamen AmoyChem Co., Ltd
+86 592-605 1114
sales@amoychem.com CHINA 6369 58

7783-20-2(Ammoniumsulfat)Verwandte Suche:


  • (NH4)2 SO4
  • actamaster
  • ammoniumsulfate(2:1)
  • Wasfcaguite
  • AMMONIUM SULPHATE SOLUTION NO 2
  • AMMONIUM SULPHATE TECHNOLOGY
  • AMONIUM SHLPHATE, TECH
  • AMMNIUM SULPHATE
  • AMMONIUM SULPHAT
  • AMMONIUM SULFATE SIGMAULTRA
  • AMMONIUM-14N SULFATE, 15N-DEPLETED, 99.9 9 ATOM % 14N, 40 WT. % SOLUTION IN WATER
  • AMMONIUM SULFATE PURE
  • AMMONIUM-14N SULFATE, 15N-DEPLETED, 99 A TOM % 14N
  • AMMONIUM SULFATE, REAGENTPLUS, 99.99+%
  • SULFUR ICP STANDARD SOLUTION FLUKA
  • AMMONIUM SULFATE, 99+%, A.C.S. REAGENT
  • Ammonium sulfate 1 M Solution
  • AMMONIUM-14N SULFATE, 99.99 ATOM % 14N, 40 WT. % SOLUTION IN WATER
  • AMMONIA STANDARD SOLUTION
  • AMMONIUM SULFATE ACS REAGENT
  • SULFUR ATOMIC ABSORPTION STANDARD SOLUTI ON (H2O)
  • AMMONIUM SULFATE REAGENT, ~10% IN
  • AMMONIUM SULFATE SOLUTION, 4.1 M
  • AMMONIUM SULFATE TECHNICAL
  • AMMONIUM SULFATE PLANT CELL CULTURETESTE D
  • Ammonium sulfate, 99.999% metals basis
  • AMMONIUM SULFATE, ACS
  • AMMONIUM SULFATE SOLUTION 3.2M IN WATER
  • AMMONIUM SULFATE R. G., REAG. ACS, REAG. ISO, REAG. PH.
  • AMMONIUM SULFATE EXTRA PURE
  • AMMONIUM SULFATE 2M SOLUTION*
  • Ammonium Sulfate, Crystal, Reagent
  • Ammonium sulfate, Puratronic(R), 99.999% (metals basis)
  • AMMONIUM SULFATE GRANULAR
  • Ammonium Sulfate, 3% Solution
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  • AMMONIUM SULPHATE for molecular biology
  • Ammonium sulfate reagent solution, Ammonium sulfate solution
  • ammoniumsulfate(solution)
  • caswellno.048
  • diammoniumsulphate
  • dolamin
  • epapesticidechemicalcode005601
  • mascagnite
  • nsc77671
  • AMMoniuM sulfate, 99.9995%, (trace Metal basis)
  • AMMoniuM sulfate, 99%, extra pure
  • AMMoniuM sulfate, 99%, pure
  • AMMoniuM Sulphate FCC Granular 500gM
  • AMMONIUM SULFATE 99.9999 SUPRAPUR
  • AMMONIUM SULFATE FOR ANALYSIS EMSURE
  • AnMoniuM Sulphate
  • Crystallization solution 32/Fluka-Kit-No 82009
  • Ammonium sulfate ACS reagent, >=99.0%
  • Ammonium sulfate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., >=99%
  • Ammonium sulfate ReagentPlus(R), >=99.0%
  • Ammonium sulfate Vetec(TM) reagent grade, 99%
  • ACETONE ANHYDROUS
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