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Nitriles, nitro and azo compounds

2-Hydroxybutanedinitrile

Also known as Malonitrile, Butanedinitrile, 2-hydroxy-, 2-hydroxysuccinonitrile

CAS 4341-85-9Formula C4H4N2OMolar mass 96.09 g/mol
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2-Hydroxybutanedinitrile chemical structure, C4H4N2O, CAS 4341-85-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4341-85-9
Formula
C4H4N2O
Molar mass
96.09 g/mol
HS code
292690
Category
Nitriles, nitro and azo compounds

What is 2-Hydroxybutanedinitrile?

Plain description, key identifiers and synonyms

2-Hydroxybutanedinitrile is a chemical substance with the molecular formula C4H4N2O and a molar mass of 96.09 g/mol. Its CAS registry number is 4341-85-9.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxybutanedinitrile
CAS number
4341-85-9
Molecular formula
C4H4N2O
UNII
EIP19FB2YL
InChIKey
JXPDNDHCMMOJPC-UHFFFAOYSA-N
InChI
InChI=1S/C4H4N2O/c5-2-1-4(7)3-6/h4,7H,1H2
SMILES (canonical and isomeric)
C(C#N)C(C#N)O

Synonyms

  • Malonitrile
  • Butanedinitrile, 2-hydroxy-
  • 2-hydroxysuccinonitrile

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
96.09 g/molcalc.
Exact mass
96.0324 Dacalc.
LogP (octanol/water)
-0.22calc.
Topological polar surface area
67.81 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
1calc.
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.

2-Hydroxybutanedinitrile suppliers

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2-Hydroxybutanedinitrile 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 2-Hydroxybutanedinitrile is traded under.

HS 2926.90Indicative HS code

Nitrile-function compounds, other

World exports in 2024
$2.15B
−13.5% vs 2023, imports $2.17B
2019 to 2024
Top exporters
  1. China35.6%
  2. France * partner reported12.7%
  3. India * partner reported11.2%
Top importers
  1. United States13.6%
  2. China12.4%
  3. Brazil11.9%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-Hydroxybutanedinitrile is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Hydroxybutanedinitrile, based on the data on this page

What is 2-Hydroxybutanedinitrile?

2-Hydroxybutanedinitrile is a chemical substance with the molecular formula C4H4N2O and a molar mass of 96.09 g/mol. Its CAS registry number is 4341-85-9.

What is the CAS number of 2-Hydroxybutanedinitrile?

The CAS registry number of 2-Hydroxybutanedinitrile is 4341-85-9.

What is the molecular formula and weight of 2-Hydroxybutanedinitrile?

The molecular formula of 2-Hydroxybutanedinitrile is C4H4N2O and its molar mass is 96.09 g/mol.

What is 2-Hydroxybutanedinitrile used for?

Known uses and roles of 2-Hydroxybutanedinitrile include building blocks in research and laboratory.

Is 2-Hydroxybutanedinitrile hazardous?

No GHS hazard classification for 2-Hydroxybutanedinitrile 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 2-Hydroxybutanedinitrile?

2-Hydroxybutanedinitrile is usually classified under HS code 292690 (Nitrile-function compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Hydroxybutanedinitrile?

Post a free request on CompoundList and suppliers of 2-Hydroxybutanedinitrile will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2-Hydroxybutanedinitrile?

Suppliers quote 2-Hydroxybutanedinitrile 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 2-Hydroxybutanedinitrile

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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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