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Nitriles, nitro and azo compounds

Phenylethylidenehydrazine

Also known as PEH cpd, Benzeneacetaldehyde hydrazone, Phenethylidenehydrazine

CAS 29443-41-2Formula C8H10N2Molar mass 134.18 g/mol
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Phenylethylidenehydrazine chemical structure, C8H10N2, CAS 29443-41-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
29443-41-2
Formula
C8H10N2
Molar mass
134.18 g/mol
HS code
292800
Category
Nitriles, nitro and azo compounds

What is Phenylethylidenehydrazine?

Plain description, key identifiers and synonyms

Phenylethylidenehydrazine is a chemical substance with the molecular formula C8H10N2 and a molar mass of 134.18 g/mol. Its CAS registry number is 29443-41-2. The IUPAC name is (E)-2-phenylethylidenehydrazine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-2-phenylethylidenehydrazine
CAS number
29443-41-2 CAS number cross-checked
Molecular formula
C8H10N2
UNII
9FZ4W7J6VE
InChIKey
RUZSWLOEFLRSGJ-JXMROGBWSA-N
InChI
InChI=1S/C8H10N2/c9-10-7-6-8-4-2-1-3-5-8/h1-5,7H,6,9H2/b10-7+
Canonical SMILES
NN=CCc1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)C/C=N/N

Synonyms

  • PEH cpd
  • Benzeneacetaldehyde hydrazone
  • Phenethylidenehydrazine
  • Benzeneacetaldehyde, hydrazone
  • phenylacetaldehyde hydrazone
  • Acetaldehyde, phenyl-, hydrazone
  • (E)-2-phenylethylidenehydrazine
  • beta-Phenylethylidene hydrazine
  • Phenylacetaldehydhydrazon

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
134.18 g/molcalc.
Exact mass
134.0844 Dacalc.
LogP (octanol/water)
1.17calc.
Topological polar surface area
38.38 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Phenylethylidenehydrazine suppliers

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Phenylethylidenehydrazine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phenylethylidenehydrazine is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Phenylethylidenehydrazine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phenylethylidenehydrazine, based on the data on this page

What is Phenylethylidenehydrazine?

Phenylethylidenehydrazine is a chemical substance with the molecular formula C8H10N2 and a molar mass of 134.18 g/mol. Its CAS registry number is 29443-41-2. The IUPAC name is (E)-2-phenylethylidenehydrazine.

What is the CAS number of Phenylethylidenehydrazine?

The CAS registry number of Phenylethylidenehydrazine is 29443-41-2.

What is the molecular formula and weight of Phenylethylidenehydrazine?

The molecular formula of Phenylethylidenehydrazine is C8H10N2 and its molar mass is 134.18 g/mol.

What is Phenylethylidenehydrazine used for?

Known uses and roles of Phenylethylidenehydrazine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Phenylethylidenehydrazine hazardous?

No GHS hazard classification for Phenylethylidenehydrazine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Phenylethylidenehydrazine?

Phenylethylidenehydrazine is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phenylethylidenehydrazine?

Post a free request on CompoundList and suppliers of Phenylethylidenehydrazine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Phenylethylidenehydrazine?

Suppliers quote Phenylethylidenehydrazine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Phenylethylidenehydrazine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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