CompoundList
Sign in
Amines and amides

Fumaric acid, dihydrazide

Also known as Fumaric dihydrazide, 2-Butenedioic acid (E)-, dihydrazide, (2E)-2-Butenedioic acid 1,4-dihydrazide

CAS 3538-81-6Formula C4H8N4O2Molar mass 144.13 g/mol
Get quotes Safety data
Fumaric acid, dihydrazide chemical structure, C4H8N4O2, CAS 3538-81-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3538-81-6
Formula
C4H8N4O2
Molar mass
144.13 g/mol
HS code
292800
Category
Amines and amides

What is Fumaric acid, dihydrazide?

Plain description, key identifiers and synonyms

Fumaric acid, dihydrazide is a chemical substance with the molecular formula C4H8N4O2 and a molar mass of 144.13 g/mol. Its CAS registry number is 3538-81-6. The IUPAC name is (E)-but-2-enedihydrazide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-but-2-enedihydrazide
CAS number
3538-81-6
Molecular formula
C4H8N4O2
UNII
8Y2GKP7HCX
InChIKey
SNVRDQORMVVQBI-OWOJBTEDSA-N
InChI
InChI=1S/C4H8N4O2/c5-7-3(9)1-2-4(10)8-6/h1-2H,5-6H2,(H,7,9)(H,8,10)/b2-1+
Canonical SMILES
NNC(=O)C=CC(=O)NN
Isomeric SMILES
C(=C/C(=O)NN)\C(=O)NN

Synonyms

  • Fumaric dihydrazide
  • 2-Butenedioic acid (E)-, dihydrazide
  • (2E)-2-Butenedioic acid 1,4-dihydrazide
  • (E)-but-2-enedihydrazide
  • (2E)-but-2-enedihydrazide
  • Fumaroyl-dihydrazin
  • 2-Butenedioic acid (2E)-, 1,4-dihydrazide

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
144.13 g/molcalc.
Exact mass
144.0647 Dacalc.
LogP (octanol/water)
-2.48calc.
Topological polar surface area
110.2 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

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.

Fumaric acid, dihydrazide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

Post one free request and suppliers who make or trade Fumaric acid, dihydrazide can send you quotes. Your contact details stay private until you accept a quote.

Request quotesSell this chemical

Fumaric acid, dihydrazide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

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 Fumaric acid, dihydrazide 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 Fumaric acid, dihydrazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Fumaric acid, dihydrazide, based on the data on this page

What is Fumaric acid, dihydrazide?

Fumaric acid, dihydrazide is a chemical substance with the molecular formula C4H8N4O2 and a molar mass of 144.13 g/mol. Its CAS registry number is 3538-81-6. The IUPAC name is (E)-but-2-enedihydrazide.

What is the CAS number of Fumaric acid, dihydrazide?

The CAS registry number of Fumaric acid, dihydrazide is 3538-81-6.

What is the molecular formula and weight of Fumaric acid, dihydrazide?

The molecular formula of Fumaric acid, dihydrazide is C4H8N4O2 and its molar mass is 144.13 g/mol.

What is Fumaric acid, dihydrazide used for?

Known uses and roles of Fumaric acid, dihydrazide include building blocks in research and laboratory.

Is Fumaric acid, dihydrazide hazardous?

No GHS hazard classification for Fumaric acid, dihydrazide 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 Fumaric acid, dihydrazide?

Fumaric acid, dihydrazide 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 Fumaric acid, dihydrazide?

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

What is the price of Fumaric acid, dihydrazide?

Suppliers quote Fumaric acid, dihydrazide 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 Fumaric acid, dihydrazide

Get quotes for Fumaric acid, dihydrazide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Fumaric acid, dihydrazide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Fumaric acid, dihydrazide with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/fumaric-acid-dihydrazide-3538-81-6" title="Fumaric acid, dihydrazide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Amines and amides or HS code 292800

Price on request
Free quotes, contact stays private
Get quotes