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· · COA & SDS available for every product · Same-day shipping on in-stock items Ammonium sulfate - AR, ≥99% , CAS No.7783-20-2
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99% Synonyms
Ammonium sulfate ((NH4)2SO4) | Ammonium sulfate, 99+% (ACS) | AMMONIUM SULPHATE (2:1) | AMMONIUM SULFATE | Ammonium sulfate, ultrapure | Ammonium Sulfate ACS grade | CHEBI:62946 | Sulfuric acid-d2, di(ammonium-d4) salt (8CI,9CI) | BFNBIHQBYMNNAN-UHFFFAOYS
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Why this grade AR, ≥99% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 421 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
Ammonium sulfate ((NH4)2SO4) | Ammonium sulfate, 99+% (ACS) | AMMONIUM SULPHATE (2:1) | AMMONIUM SULFATE | Ammonium sulfate, ultrapure | Ammonium Sulfate ACS grade | CHEBI:62946 | Sulfuric acid-d2, di(ammonium-d4) salt (8CI,9CI) | BFNBIHQBYMNNAN-UHFFFAOYS
Specifications & Purity
AR, ≥99%
Names and Identifiers Canonical Smiles
[NH4+].[NH4+].[O-]S(=O)(=O)[O-]
IUPAC Name
diazanium;sulfate
InChIKey
BFNBIHQBYMNNAN-UHFFFAOYSA-N
INCHI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
Isomeric SMILES
[NH4+].[NH4+].[O-]S(=O)(=O)[O-]
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343144&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Inorganic compounds Superclass Homogeneous non-metal compounds Class Non-metal oxoanionic compounds Subclass Non-metal sulfates Intermediate Tree Nodes Not available Direct Parent Non-metal sulfates Alternative Parents Organic sulfuric acids Inorganic oxides Molecular Framework Not available Substituents Non-metal sulfate - Sulfuric acid - Inorganic oxide Description This compound belongs to the class of inorganic compounds known as non-metal sulfates. These are inorganic non-metallic compounds containing a sulfate as its largest oxoanion. External Descriptors ammonium salt - inorganic sulfate salt Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Sensitivity Moisture sensitive. Melt Point(°C) >280 °C Molecular Weight 132.140 g/mol XLogP3 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 0 Exact Mass 132.02 Da Monoisotopic Mass 132.02 Da Topological Polar Surface Area 90.600 Ų Heavy Atom Count 7 Formal Charge 0 Complexity 62.200 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 3
Documents & Articles Citations of This Product Solution Calculators Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator Reviews Need help choosing the grade? Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
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