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Amines and amides

Hex-5-ynehydrazide

Also known as 5-hexynoic acid hydrazide, Alkyne hydrazide

CAS 4230-19-7Formula C6H10N2OMolar mass 126.16 g/molEC 819-371-2
GHS signal word: Warning. Pictograms: Harmful or irritant
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Hex-5-ynehydrazide chemical structure, C6H10N2O, CAS 4230-19-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4230-19-7
Formula
C6H10N2O
Molar mass
126.16 g/mol
EC number
819-371-2
HS code
292800
Category
Amines and amides

What is Hex-5-ynehydrazide?

Plain description, key identifiers and synonyms

Hex-5-ynehydrazide is a chemical substance with the molecular formula C6H10N2O and a molar mass of 126.16 g/mol. Its CAS registry number is 4230-19-7.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hex-5-ynehydrazide
CAS number
4230-19-7
EC number
819-371-2
Molecular formula
C6H10N2O
MDL number
MFCD30086466
InChIKey
CIWUFLALCXLZMC-UHFFFAOYSA-N
InChI
InChI=1S/C6H10N2O/c1-2-3-4-5-6(9)8-7/h1H,3-5,7H2,(H,8,9)
SMILES (canonical and isomeric)
C#CCCCC(=O)NN

Synonyms

  • 5-hexynoic acid hydrazide
  • Alkyne hydrazide

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
126.16 g/molcalc.
Exact mass
126.0793 Dacalc.
LogP (octanol/water)
-0.22calc.
Topological polar surface area
55.12 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Hex-5-ynehydrazide suppliers

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Hex-5-ynehydrazide 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 Hex-5-ynehydrazide 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 Hex-5-ynehydrazide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hex-5-ynehydrazide, based on the data on this page

What is Hex-5-ynehydrazide?

Hex-5-ynehydrazide is a chemical substance with the molecular formula C6H10N2O and a molar mass of 126.16 g/mol. Its CAS registry number is 4230-19-7.

What is the CAS number of Hex-5-ynehydrazide?

The CAS registry number of Hex-5-ynehydrazide is 4230-19-7.

What is the molecular formula and weight of Hex-5-ynehydrazide?

The molecular formula of Hex-5-ynehydrazide is C6H10N2O and its molar mass is 126.16 g/mol.

What is Hex-5-ynehydrazide used for?

Known uses and roles of Hex-5-ynehydrazide include building blocks in research and laboratory.

Is Hex-5-ynehydrazide hazardous?

Hex-5-ynehydrazide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Hex-5-ynehydrazide?

Hex-5-ynehydrazide 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 Hex-5-ynehydrazide?

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What is the price of Hex-5-ynehydrazide?

Suppliers quote Hex-5-ynehydrazide 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 Hex-5-ynehydrazide

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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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