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Nitriles, nitro and azo compounds

Formamidoxime

Also known as Formamide oxime, Isuretin, N-Hydroxyformamidine

CAS 624-82-8Formula CH4N2OMolar mass 60.06 g/molEC 210-865-8
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard
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Formamidoxime chemical structure, CH4N2O, CAS 624-82-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
624-82-8
Formula
CH4N2O
Molar mass
60.06 g/mol
EC number
210-865-8
HS code
292800
Category
Nitriles, nitro and azo compounds

What is Formamidoxime?

Plain description, key identifiers and synonyms

Formamidoxime is a chemical substance with the molecular formula CH4N2O and a molar mass of 60.06 g/mol. Its CAS registry number is 624-82-8. The IUPAC name is N'-hydroxymethanimidamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N'-hydroxymethanimidamide
CAS number
624-82-8 CAS number cross-checked
EC number
210-865-8
Molecular formula
CH4N2O
UNII
M8HWW3CF96
MDL number
MFCD00008125
InChIKey
IONSZLINWCGRRI-UHFFFAOYSA-N
InChI
InChI=1S/CH4N2O/c2-1-3-4/h1,4H,(H2,2,3)
Canonical SMILES
NC=NO
Isomeric SMILES
C(=N/O)\N

Synonyms

  • Formamide oxime
  • Isuretin
  • N-Hydroxyformamidine
  • Methanimidamide, N-hydroxy-
  • N'-hydroxymethanimidamide
  • Formamidoxim
  • N-Hydroxymethanimidamide
  • N'-hydroxyimidoformamide
  • N'-Hydroxyformimidamide
  • Formamidoxine
  • N-Hydroxyimidoformamide
  • Formamidoxime, 99%
  • N-hydroxymethaneimidamide
  • N''-Hydroxyformimidamide
  • N inverted exclamation mark -Hydroxyformimidamide

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
60.06 g/molcalc.
Exact mass
60.0324 Dacalc.
LogP (octanol/water)
-0.64calc.
Topological polar surface area
58.61 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H351Suspected of causing cancer.
Precautionary statements (16)
  • P203Obtain, read and follow all safety instructions before use.
  • 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 + 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.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • 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

Formamidoxime suppliers

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Formamidoxime 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

Frequently asked questions

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

What is Formamidoxime?

Formamidoxime is a chemical substance with the molecular formula CH4N2O and a molar mass of 60.06 g/mol. Its CAS registry number is 624-82-8. The IUPAC name is N'-hydroxymethanimidamide.

What is the CAS number of Formamidoxime?

The CAS registry number of Formamidoxime is 624-82-8.

What is the molecular formula and weight of Formamidoxime?

The molecular formula of Formamidoxime is CH4N2O and its molar mass is 60.06 g/mol.

Is Formamidoxime hazardous?

Formamidoxime carries the GHS signal word "Warning". Main hazards: harmful 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 Formamidoxime?

Formamidoxime 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 Formamidoxime?

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What is the price of Formamidoxime?

Suppliers quote Formamidoxime 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 Formamidoxime

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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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