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7783-20-2

7783-20-2 Structure

7783-20-2 Structure
IdentificationMore
[Name]

Ammonium sulfate
[CAS]

7783-20-2
[Synonyms]

AMMONIUM SULFATE
AMMONIUM SULFATE, 2.0 M
AMMONIUM SULFATE REAGENT
AMMONIUM SULPHATE
AMMONIUM SULPHATE SOLUTION NO 1
AMMONIUM SULPHATE SOLUTION NO 2
Diammonium sulfate
(NH4)2 SO4
actamaster
ammoniumsulfate(2:1)
ammoniumsulfate(solution)
caswellno.048
diammoniumsulphate
dolamin
epapesticidechemicalcode005601
mascagnite
nsc77671
sulfatomammoniya
sulfatomammoniya(russian)
Sulfuricacid,diammoniumsalt
[EINECS(EC#)]

231-984-1
[Molecular Formula]

H8N2O4S
[MDL Number]

MFCD00003391
[Molecular Weight]

132.14
[MOL File]

7783-20-2.mol
Chemical PropertiesBack Directory
[Appearance]

White crystalline powder
[mp ]

280 °C
[density ]

1.77 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.396
[Fp ]

26 °C
[storage temp. ]

2-8°C
[solubility ]

H2O: 1 M at 20 °C, clear, colorless
[Stability:]

Stable. Contact with strong oxidizers may cause fire or explosion. Incompatible with strong bases.
[Water Solubility ]

77 g/100 mL (25 ºC)
[Merck ]

14,555
[Uses]

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.
[CAS DataBase Reference]

7783-20-2(CAS DataBase Reference)
[EPA Substance Registry System]

7783-20-2(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,Xn
[Risk Statements ]

R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
[Safety Statements ]

S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[RIDADR ]

UN 1170 3/PG 3
[WGK Germany ]

1
[RTECS ]

BS4500000
[HS Code ]

31022100
[Safety Profile]

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.
[Hazardous Substances Data]

7783-20-2(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
【Raw materials】

Sulfuric acid-->Ammonium hydroxide-->Ammonia-->FUMING SULFURIC ACID-->Activated carbon-->Sulphur-->Cyclohexanone oxime
【Preparation Products】

Compound fertilizer-->L-Lysine hydrochloride-->Aluminium potassium sulfate dodecahydrate-->Prussian Blue-->Polyinosinic acid-polycytidylic acid-->Nitrogen phosphorus potassium mixed fertilizer-->Ammonium dihydrogen phosphate-->Aluminum ammonium sulfate-->L-Isoleucine-->Ethyl 3-bromo-2-(bromomethyl)propionate-->Chorionic Gonadotropin-->Lipase-->alpha-Amylase-->Penicillin G sodium salt-->3-Bromo-2-(bromomethyl)propionic acid-->L-Lysine hydrochloride-->Lincomycin hydrochloride monohydrate-->2-AMINO-3-CYANO-4-CHLORO-5-FORMYLTHIOPHENE-->LYSOZYME-->AMMONIUM ALUM-->Bromelain-->AMINOACYLASE-->Ammonium iron(II) sulfate-->Chymotrypsin-->Ammonium iron(III) sulfate-->Zirconium dicarbonate-->(S)-(+)-2-HYDROXY-3-METHYLBUTYRIC ACID-->diammonium magnesium bis(sulphate)-->Neomycin sulfate-->Peroxidase-->CATALASE-->NICKEL AMMONIUM SULFATE-->Thymosin α1-->Ribonuclease A-->EC 1.1.1.1-->EC 2.7.1.40-->PKC-GAMMA-->PHASEOLUS VULGARIS AGGLUTININ-->Hyaluronidase-->ALDOLASE
Hazard InformationBack Directory
[General Description]

White odorless solid. Sinks and dissolves in water.
[Reactivity Profile]

AMMONIUM SULFATE(7783-20-2) is acidic in aqueous solution. When a little AMMONIUM SULFATE(7783-20-2) is added to fused potassium nitrite, a vigorous reaction occurs attended by flame [Mellor 2:702 1946-47].
[Air & Water Reactions]

Dissolves in water with evolution of some heat.
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Ammonium sulfate(7783-20-2).msds
Questions And AnswerBack Directory
[description]

Ammonium sulfate (AS) is the earliest production and use of nitrogen fertilizer. It is usually used as a standard nitrogen fertilizer, nitrogen content is between 20% to 30%. It is a very important fertilizer for any kind of soil that's high in pH and needs a little bit of sulfates to work against the high calcium or the high pH. The nice thing about the ammonium sulfate is that the nitrogen in it is a little bit slower releasing so it lasts throughout the growing season better than the nitrate forms of nitrogen.
In the 1960s, Ammonium sulfate is the main variety of nitrogen fertilizer, but also is a major source to provide crop nutrients sulfur. Firstly ammonia and sulfuric acid was neutralized to obtain, but later increasing proportion of by-product ammonium sulfate, and now Ammonium sulfate is actually produced as a by-product in many industrial processes including the manufacturing of steel, coking industry, caprolactam, sulfuric acid tail gas desulfurization, desulfurization of power plant, acrylonitrile and methyl methacrylate, zinc oxide and some polyester compounds.
Pure product of ammonium sulfate is white crystals, heated to 100 ℃ , began to be decomposed into ammonia and ammonium bisulfate, a by-product with a yellowish or gray, small moisture absorption, easy to agglomerate, it is easier to save and easily soluble in water, insoluble ethanol and acetone.
Ammonium sulfate serves as physiological acidic nitrogen fertilizer, is generally more suitable for wheat, corn, rice, cotton, potato, hemp, fruit trees, vegetables and other crops. For soils, the ammonium sulfate is most suitable for neutral soil and alkaline soil, but not suitable for acidic soil. Also used as analytical reagents (precipitating agent, masking agent), in electrochemical analysis, supports electrolyte, microbiological culture media and preparation of ammonium salts.
The above information is edited by the Chemicalbook of Liu Yujie.
[nitrogenous fertilizer]

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.
Ammonium sulfate
[Uses]

  1. Ammonium sulfate is a typical Nitrogen-based, water-soluble, and fast acting fertilizer, for various soil and crop. It is used largely as an artificial fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil , while contributing essential nitrogen for plant growth.
  2. For the analysis reagents, also for protein precipitation.
  3. Used as flux, fire retardant in textile fabric industry, as the salting-out agent, osmotic pressure regulating agents in medicine.
  4. Used as raw materials of hydrogen peroxide , ammonium chloride, ammonium alum and production in chemical industry, as a flux in the welding industry.
  5. Used as plating bath additives in electroplating industry.
  6. Used as dough modifier, yeast nutrients in food grade product.
  7. Ammonium sulfate is also used as an agricultural spray adjuvant for water soluble insecticides, herbicides, and fungicides. There it functions to bind iron and calcium cations that are present in both well water and plant cells.
[Toxicity]

ADI does not make special provision (FAO/WHO, 2001).
GRAS (FDA, §184.1143,2000).
LD50 3g/kg (rat, oral).
Spectrum DetailBack Directory
[Spectrum Detail]

Ammonium sulfate(7783-20-2) IR1
Ammonium sulfate(7783-20-2) IR2
Ammonium sulfate(7783-20-2) ESR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Ammonium sulfate, for analysis ACS, 99+%(7783-20-2)
[Alfa Aesar]

Ammonium sulfate, Puratronic, 99.999% (metals basis)(7783-20-2)
[Sigma Aldrich]

7783-20-2(sigmaaldrich)
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