Acetaldehyde Semicarbazone - ≥98% , CAS No.591-86-6

CAS: 591-86-6 Cat. No.: A151236 Molecular Weight: 101.11 Beilstein Registry Number: 3(4)178
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
DTXSID601031987 | AKOS005068065 | (2E)-2-Ethylidenhydrazincarboxamid | A832198 | Acetaldehydsemicarbazon | (1E)-Ethanal semicarbazone # | MFCD00059191 | A0193 | Acetaldehyde semicarbazone | [(E)-ethylideneamino]urea | 2-Ethylidenehydrazinecarboxamide | LS
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
A151236-1g
2

$15.90

$23.90
Save $8.00 (33.47%)
5g
A151236-5g
7

$58.90

$88.90
Save $30.00 (33.75%)
25g
A151236-25g
4

$176.90

$265.90
Save $89.00 (33.47%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
DTXSID601031987 | AKOS005068065 | (2E)-2-Ethylidenhydrazincarboxamid | A832198 | Acetaldehydsemicarbazon | (1E)-Ethanal semicarbazone # | MFCD00059191 | A0193 | Acetaldehyde semicarbazone | [(E)-ethylideneamino]urea | 2-Ethylidenehydrazinecarboxamide | LS
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488195532
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488195532
Canonical SmilesCC=NNC(=O)N
IUPAC Name[(E)-ethylideneamino]urea
InChIKeyIUNNCDSJWDQYPW-GORDUTHDSA-N
INCHI1S/C3H7N3O/c1-2-5-6-3(4)7/h2H,1H3,(H3,4,6,7)/b5-2+
Isomeric SMILES C/C=N/NC(=O)N
Molecular Weight 101.11
Beilstein 3(4)178
Reaxy-Rn 969961
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=969961&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 nitrogen compounds
ClassOrganonitrogen compounds
SubclassHydrazines and derivatives
Intermediate Tree Nodes Semicarbazides
Direct ParentSemicarbazones
Alternative Parents Organic carbonic acids and derivatives  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Semicarbazone - Carbonic acid derivative - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as semicarbazones. These are organic compounds containing the semicarbazone functional group, with the general structure R2C=NNHC(=O)NH2.
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):
Analytical Chart:

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

5 results found

Lot NumberCertificate TypeDateItem
H2217117Certificate of AnalysisJun 08, 2026 A151236
H2217118Certificate of AnalysisJun 08, 2026 A151236
H2217119Certificate of AnalysisJun 08, 2026 A151236
E2319123Certificate of AnalysisJun 11, 2022 A151236
E2319125Certificate of AnalysisJun 11, 2022 A151236
Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityMoisture Sensitive
Melt Point(°C)164 °C
Molecular Weight101.110 g/mol
XLogP3-1.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass101.059 Da
Monoisotopic Mass101.059 Da
Topological Polar Surface Area67.500 Ų
Heavy Atom Count7
Formal Charge0
Complexity88.200
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count1
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds1
Covalently-Bonded Unit Count1
Solution Calculators
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