Potassium nitrite - ACS , CAS No.7758-09-0

CAS: 7758-09-0 Cat. No.: P100086 Molecular Weight: 85.10 EC Number: 231-832-4
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GRADE & PURITY ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.
Synonyms
HSDB 1216 | Caswell No. 698 | potassium;nitrite | EINECS 231-832-4 | MFCD00011408 | POTASSIUM NITRITE (15N) | UNII-794654G42L | DTXSID5042320 | CCRIS 3959 | UN1488 | Nitrous acid, potassium salt
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500g
P100086-500g
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Why this grade

ACS ACS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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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 59 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Potassium nitrite is an ionic salt that can be used for a variety of chemical reactions, including configuration inversion, substitution of amines via disulfonylamides, nucleophilic aromatic nitration, diazotization, nitrosation, and nucleoside nitration.

Application:

Potassium nitrite can be used as: A nucleophile for the nitrosation of diclofenac and diphenylamine into their corresponding N-nitroso derivatives. A nitrous acid source for the diazotization of arylamines.

Specifications

Synonyms
HSDB 1216 | Caswell No. 698 | potassium;nitrite | EINECS 231-832-4 | MFCD00011408 | POTASSIUM NITRITE (15N) | UNII-794654G42L | DTXSID5042320 | CCRIS 3959 | UN1488 | Nitrous acid, potassium salt
Specifications & Purity
ACS
Storage
Protected from light, Room temperature, Desiccated, Cool
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
ACS
Names and Identifiers
Canonical SmilesN(=O)[O-].[K+]
IUPAC Namepotassium;nitrite
InChIKeyBXNHTSHTPBPRFX-UHFFFAOYSA-M
INCHI1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
Isomeric SMILES N(=O)[O-].[K+]
WGK Germany 3
RTECS TT3750000
UN Number 1488
Packing Group II
Molecular Weight 85.10
Reaxy-Rn 13192650
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=13192650&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

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📊 Datasheet

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali metal oxoanionic compounds
SubclassAlkali metal nitrites
Intermediate Tree Nodes Not available
Direct ParentAlkali metal nitrites
Alternative Parents Inorganic nitrites  Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal nitrite - Inorganic nitrite - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal nitrites. These are inorganic compounds in which the largest oxoanion is nitrite, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
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Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
E2613137Certificate of AnalysisApr 21, 2026 P100086
J2509704Certificate of AnalysisSep 20, 2025 P100086
D2527347Certificate of AnalysisApr 10, 2025 P100086
I2424585Certificate of AnalysisSep 06, 2024 P100086
I2424586Certificate of AnalysisSep 06, 2024 P100086
D2403641Certificate of AnalysisMar 26, 2024 P100086
D2312503Certificate of AnalysisApr 04, 2023 P100086
D2312506Certificate of AnalysisApr 04, 2023 P100086
D2312507Certificate of AnalysisApr 04, 2023 P100086
D23142081Certificate of AnalysisApr 04, 2023 P100086
J2228605Certificate of AnalysisJul 16, 2022 P100086
J2228624Certificate of AnalysisJul 16, 2022 P100086
J2228644Certificate of AnalysisJul 16, 2022 P100086
J2229388Certificate of AnalysisJul 16, 2022 P100086

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Chemical and Physical Properties
Sensitivityair & moisture sensitive
Melt Point(°C)350℃
Molecular Weight85.104 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass84.9566 Da
Monoisotopic Mass84.9566 Da
Topological Polar Surface Area52.500 Ų
Heavy Atom Count4
Formal Charge0
Complexity13.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count2
Documents & Articles
Citations of This Product
References
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