Ammonium acetate - ACS, ≥97% , CAS No.631-61-8

CAS: 631-61-8 Cat. No.: A112056 Formula: C2H7NO2 Molecular Weight: 77.08 Beilstein Registry Number: 4186741 EC Number: 211-162-9
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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. ≥97%
Synonyms
ammonia acetate salt | AMMONIUM ACETICUM [HPUS] | NH4OAc | DTXSID5023873 | E 264 | UNII-RRE756S6Q2 | CH3CO2NH4 | Acetic acid, ammonium salt (1:1) | E264 | E-264 | USFZMSVCRYTOJT-UHFFFAOYSA-N | AMMONIUM ACETATE | ammonium acetate- | EINECS 211-162-9 | AMMO
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
500g
A112056-500g
9 In stock
1 In stock

$38.90

$58.90
Save $20.00 (33.96%)
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Why this grade

ACS, ≥97% ACS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 748 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
ammonia acetate salt | AMMONIUM ACETICUM [HPUS] | NH4OAc | DTXSID5023873 | E 264 | UNII-RRE756S6Q2 | CH3CO2NH4 | Acetic acid, ammonium salt (1:1) | E264 | E-264 | USFZMSVCRYTOJT-UHFFFAOYSA-N | AMMONIUM ACETATE | ammonium acetate- | EINECS 211-162-9 | AMMO
Specifications & Purity
ACS, ≥97%
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
Grade
ACS
Purity
≥97%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508811971
Canonical Smiles
CC(=O)[O-].[NH4+]
IUPAC Name
azanium;acetate
InChIKey
USFZMSVCRYTOJT-UHFFFAOYSA-N
INCHI
1S/C2H4O2.H3N/c1-2(3)4;/h1H3,(H,3,4);1H3
Isomeric SMILES
CC(=O)[O-].[NH4+]
WGK Germany
1
RTECS
AF3675000
Molecular Weight
77.08
Beilstein
4186741
Reaxy-Rn
10774525
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=10774525&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

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acids
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acids
Alternative Parents Monocarboxylic acids and derivatives  Organic oxides  Organic nitrogen compounds  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Monocarboxylic acid or derivatives - Carboxylic acid - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acids. These are compounds containing a carboxylic acid group with the formula -C(=O)OH.
External Descriptors ammonium salt - acetate salt
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

21 results found

Lot NumberCertificate TypeDateItem
I2602285Certificate of AnalysisSep 09, 2026 A112056
F2624215Certificate of AnalysisJul 10, 2026 A112056
G2222073Certificate of AnalysisMay 09, 2026 A112056
C2609234Certificate of AnalysisMar 18, 2026 A112056
L2509147Certificate of AnalysisDec 12, 2025 A112056
J2511560Certificate of AnalysisOct 14, 2025 A112056
J2511558Certificate of AnalysisOct 14, 2025 A112056
L2121159Certificate of AnalysisOct 11, 2025 A112056
H2518228Certificate of AnalysisAug 23, 2025 A112056
H2518166Certificate of AnalysisAug 23, 2025 A112056
I2129246Certificate of AnalysisJul 15, 2025 A112056
F2525102Certificate of AnalysisJul 02, 2025 A112056
F2525101Certificate of AnalysisJul 02, 2025 A112056
L2423002Certificate of AnalysisDec 26, 2024 A112056
L2423001Certificate of AnalysisDec 26, 2024 A112056
J2422586Certificate of AnalysisOct 29, 2024 A112056
J2422589Certificate of AnalysisOct 29, 2024 A112056
C2322032Certificate of AnalysisMar 25, 2023 A112056
I2221153Certificate of AnalysisSep 26, 2022 A112056
I2221080Certificate of AnalysisSep 26, 2022 A112056
C2219143Certificate of AnalysisApr 03, 2022 A112056
Chemical and Physical Properties
SensitivityHygroscopic
Melt Point(°C)114°C
Molecular Weight77.080 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass77.0477 Da
Monoisotopic Mass77.0477 Da
Topological Polar Surface Area41.100 Ų
Heavy Atom Count5
Formal Charge0
Complexity25.500
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
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Citations of This Product
Solution Calculators
Reviews

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