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Nitriles, nitro and azo compounds

Heptanedinitrile

Also known as 1,5-Dicyanopentane, Pimelonitrile, Pentamethylene dicyanide

CAS 646-20-8Formula C7H10N2Molar mass 122.17 g/molEC 211-469-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 2 suppliers listed
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Heptanedinitrile chemical structure, C7H10N2, CAS 646-20-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
646-20-8
Formula
C7H10N2
Molar mass
122.17 g/mol
EC number
211-469-8
HS code
292690
Category
Nitriles, nitro and azo compounds

What is Heptanedinitrile?

Plain description, key identifiers and synonyms

Heptanedinitrile is a chemical substance with the molecular formula C7H10N2 and a molar mass of 122.17 g/mol. Its CAS registry number is 646-20-8.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
heptanedinitrile
CAS number
646-20-8 CAS number cross-checked
EC number
211-469-8
Molecular formula
C7H10N2
UNII
3D5H23A27Q
MDL number
MFCD00001980
InChIKey
LLEVMYXEJUDBTA-UHFFFAOYSA-N
InChI
InChI=1S/C7H10N2/c8-6-4-2-1-3-5-7-9/h1-5H2
SMILES (canonical and isomeric)
C(CCC#N)CCC#N

Synonyms

  • 1,5-Dicyanopentane
  • Pimelonitrile
  • Pentamethylene dicyanide
  • Pimelic acid dinitrile
  • 1,7-heptanedinitrile
  • pentane-1,5-dicarbonitrile
  • 1,5-Dicyanopentane, 98%

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
122.17 g/molcalc.
Exact mass
122.0844 Dacalc.
LogP (octanol/water)
1.98calc.
Topological polar surface area
47.58 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.71calc.
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

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
Precautionary statements (14)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Heptanedinitrile suppliers

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

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Heptanedinitrile 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.

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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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Heptanedinitrile 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 Heptanedinitrile is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Heptanedinitrile?

Heptanedinitrile is a chemical substance with the molecular formula C7H10N2 and a molar mass of 122.17 g/mol. Its CAS registry number is 646-20-8.

What is the CAS number of Heptanedinitrile?

The CAS registry number of Heptanedinitrile is 646-20-8.

What is the molecular formula and weight of Heptanedinitrile?

The molecular formula of Heptanedinitrile is C7H10N2 and its molar mass is 122.17 g/mol.

What is Heptanedinitrile used for?

Known uses and roles of Heptanedinitrile include building blocks in research and laboratory.

Is Heptanedinitrile hazardous?

Heptanedinitrile carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Heptanedinitrile?

Heptanedinitrile 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 Heptanedinitrile?

CompoundList lists 2 suppliers of Heptanedinitrile in China and Poland. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Heptanedinitrile?

Suppliers quote Heptanedinitrile 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 Heptanedinitrile

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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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