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Ammonium Sulfate USP FCC Food Grade ACS Analytical Reagent, Ammonium Sulphate Manufacturers

Ammonium Sulfate CAS Number 7783-20-2, EINECS EC Number 231-984-1, HS Code 283329**; Molecular Weight 132.14, Chemical Formula: (NH4)2SO4

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Ammonium Sulfate
Technical & Pure Ammonium Sulphate Crystals
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Ammonium Sulfate

We offer Ammonium Sulphate or Ammonium Sulfate in Commercial Pure, Analytical Reagent and Food Grade.

Specifications of Commercial Pure Ammonium Sulfate

Appearance: White powder
Nitrogen N content: 21.0% min (dry basis)
Moisture: 0.3% max
Free acid: 0.05% max
Fe: 0.007% max
As: 0.00005% max
Insoluble matter: 0.01% max
Heavy Metals: 0.005% max

Ammonium Sulfate USP NF Grade

(NH4)2SO4 -- 132.14
Ammonium sulfate [7783-20-2].
Ammonium Sulfate contains not less than 99.0 percent and not more than 100.5 percent of (NH4)2SO4.
Identification: A solution (1 in 20) responds to the tests for Ammonium and for Sulfate.
Microbial limits: The total aerobic microbial count does not exceed 1000 cfu per g, and the total combined molds and yeasts count does not exceed 10 cfu per g.
pH: between 5.0 and 6.0, in a solution.
Residue on ignition: Not more than 0.005%, determined on a 20-g sample.
Limit of insoluble matter: Maximum 0.005%).
Limit of phosphate: To pass the test.
Limit of chloride: To pass the test.
Assay: Transfer about 2.5 g of Ammonium Sulfate, accurately weighed, into a 500-mL conical flask, and dissolve in 50 mL of water. Add 50.0 mL of 1 N sodium hydroxide VS, place a filter funnel loosely in the neck of the flask, and boil until ammonia is expelled (about 10 to 15 minutes) as determined with litmus paper. Cool, add 0.15 mL of thymol blue TS, and titrate the excess sodium hydroxide with 1 N sulfuric acid VS. Perform a blank determination (see Residual Titrations under Titrimetry 541 ). Each mL of 1 N sodium hydroxide is equivalent to 66.07 mg of (NH4)2SO4.

Ammonium Sulfate FCC as per US Food Chemical Codex

Ammonium Sulfate or Ammonium Sulphate
(NH4)2SO4 Formula wt 132.14
INS: 517 CAS: [7783-20-2]

Ammonium Sulfate occurs as colorless or white crystals or granules that decompose at temperatures above 280. One gram is soluble in about 1.5 mL of water. It is insoluble in alcohol. The pH of a 0.1 M solution is between 4.5 and 6.0.
Function: Dough conditioner; yeast nutrient.

Identification: A sample gives positive tests for Ammonium and for Sulfate.
Assay: Not less than 99.0% and not more than 100.5% of Ammonium Sulphate or Ammonium Sulfate (NH4)2SO4.
Lead: Not more than 3 mg/kg.
Residue on Ignition: Not more than 0.25%.
Selenium: Not more than 0.003%.

Ammonium Sulfate ACS Analytical Reagent specifications

American Chemical Society Reagent Grade
Ammonium Sulphate
Formula Wt 132.14
CAS Number 7783-20-2


Assay of Ammonium Sulphate or Ammonium Sulfate 99.0% (NH4)2SO4
pH of a 5% solution 5.0-6.0 at 25C


Insoluble matter 0.005%
Residue after ignition 0.005%
Chloride (Cl) 5 ppm
Nitrate (NO3) 0.001%
Phosphate (PO4) 5 ppm
Heavy metals (as Pb) 5 ppm
Iron (Fe) 5 ppm

For Original Monographs of IP Indian Pharmacopoeia BP British Pharmacopoeia USP US Pharmacopoeia FCC Food Grade product, please check with the respective web-pages or books.


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Last : 21 November, 2015

List of All the IP BP USP FCC ACS Grades of Chemicals
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Ammonium Bicarbonate Ammonium Bromide
Ammonium Carbonate Ammonium Chloride
Ammonium Molybdate Ammonium Sulfate
Aluminum Chloride Benzyl Alcohol
Borax; Sodium Borate Boric Acid
Calcium Acetate Calcium Chloride
Calcium Gluconate Calcium Hydroxide
Calcium Lactate Calcium Oxide
Calcium Saccharate Calcium Sulfate
Chromic Chloride Citric Acid
Calcium Citrate Copper Gluconate
Copper Sulfate, Cupric Sulphate Cupric Chloride
Ferrous Fumarate Ferrous Gluconate
Fumaric Acid Ferrous Sulphate
Ferric Sulfate Ferric Ammonium Citrate
Ferric Chloride  
Gentian Violet Mannitol
Magnesium Chloride Magnesium Gluconate
Magnesium Lactate Dihydrate Magnesium Sulfate
Magnesium Trisilicate Maleic Acid
Malic Acid BP USP Manganese Gluconate
Manganese Sulfate Manganese Chloride
Methylene Blue Potassium Bromide
Potassium Chloride Potassium Gluconate
Potassium Bitartrate, Cream of Tartar Potassium Hydroxide
Potassium Iodide Potassium Iodate
Potassium Sorbate Sodium Acetate
Sodium Bicarbonate Sodium Butyrate
Sodium Caprylate Sodium Fluoride
Sodium Gluconate Sodium Hydroxide Pellets
Sodium Iodide Sodium Lactate
Sodium Perborate Sodium Propionate
Sodium Thiosulfate Sodium Sulfate
Stannous Chloride Dihydrate Zinc Carbonate
Zinc Chloride Zinc Gluconate
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