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Nitriles, nitro and azo compounds

Glyoxime

Also known as Glyoxaldioxime, Ethanedial dioxime, Dioxime ethanedial

CAS 557-30-2Formula C2H4N2O2Molar mass 88.07 g/molEC 209-168-1
GHS signal word: Danger. Pictograms: Flammable, Acute toxicity (severe) 2 suppliers listed
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Glyoxime chemical structure, C2H4N2O2, CAS 557-30-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
557-30-2
Formula
C2H4N2O2
Molar mass
88.07 g/mol
Physical form
Solid
HS code
292800
Category
Nitriles, nitro and azo compounds
Illustrative photo, 25 kg white woven sacks of powder on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Glyoxime?

Plain description, key identifiers and synonyms

Glyoxime is an aldoxime obtained by formal condensation of glyoxal with two molar equivalents of hydroxylamine. It is functionally related to a glyoxal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-(2-hydroxyiminoethylidene)hydroxylamine
CAS number
557-30-2 CAS number cross-checkedOther or deprecated CAS: 17016-13-6
EC number
209-168-1
Molecular formula
C2H4N2O2
InChIKey
LJHFIVQEAFAURQ-UHFFFAOYSA-N
InChI
InChI=1S/C2H4N2O2/c5-3-1-2-4-6/h1-2,5-6H
SMILES (canonical and isomeric)
C(=NO)C=NO

Synonyms

  • Glyoxaldioxime
  • Ethanedial dioxime
  • Dioxime ethanedial
  • Glyoxal dioxime
  • Ethanedione dioxime
  • Ethanedial, dioxime
  • N,N'-ethane-1,2-diylidenedihydroxylamine
  • N-(2-hydroxyiminoethylidene)hydroxylamine
  • Ethanedial, 1,2-dioxime
  • Glyoxal-dioxime
  • glyoxime moistened with water (H2O ~20%)
  • CGA-22911 10S
  • CGA 22,911
  • 3-01-00-03084 (Beilstein Handbook Reference)

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

Physical form
Solidexp.

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
88.07 g/molcalc.
Exact mass
88.0273 Dacalc.
LogP (octanol/water)
-0.09calc.
Topological polar surface area
65.18 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
6calc.
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

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H228Flammable solid.
  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (24)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • 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 + 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.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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

Glyoxime 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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Glyoxime 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

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

Frequently asked questions

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

What is Glyoxime?

Glyoxime is an aldoxime obtained by formal condensation of glyoxal with two molar equivalents of hydroxylamine. It is functionally related to a glyoxal.

What is the CAS number of Glyoxime?

The CAS registry number of Glyoxime is 557-30-2. Other or deprecated CAS numbers: 17016-13-6.

What is the molecular formula and weight of Glyoxime?

The molecular formula of Glyoxime is C2H4N2O2 and its molar mass is 88.07 g/mol.

What is Glyoxime used for?

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

Is Glyoxime hazardous?

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

What is the HS code of Glyoxime?

Glyoxime 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 Glyoxime?

CompoundList lists 2 suppliers of Glyoxime in United Kingdom and Vietnam. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Glyoxime?

Suppliers quote Glyoxime 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 Glyoxime

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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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