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Amines and amides

Formohydroxamic acid

Also known as N-Hydroxyformamide, Formamide, N-hydroxy-, Formhydroxamic acid

CAS 4312-87-2Formula CH3NO2Molar mass 61.04 g/mol
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Formohydroxamic acid chemical structure, CH3NO2, CAS 4312-87-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4312-87-2
Formula
CH3NO2
Molar mass
61.04 g/mol
HS code
292800
Category
Amines and amides

What is Formohydroxamic acid?

Plain description, key identifiers and synonyms

Formohydroxamic acid is a chemical substance with the molecular formula CH3NO2 and a molar mass of 61.04 g/mol. Its CAS registry number is 4312-87-2. The IUPAC name is N-hydroxyformamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-hydroxyformamide
CAS number
4312-87-2
Molecular formula
CH3NO2
UNII
9D42P4E9V3
InChIKey
KDGKTJGPFXIBEB-UHFFFAOYSA-N
InChI
InChI=1S/CH3NO2/c3-1-2-4/h1,4H,(H,2,3)
SMILES (canonical and isomeric)
C(=O)NO

Synonyms

  • N-Hydroxyformamide
  • Formamide, N-hydroxy-
  • Formhydroxamic acid
  • Formhydroxamsaeure
  • Formohydroximic acid
  • N-Formylhydroxylamine
  • Hydroxylamine, N-formyl-
  • Formylhydroxylamine
  • Formylhydroxamic acid
  • hydroxy nitrone
  • z-hydroxynitrone
  • Formhydroximsaure
  • Methanohydroxamic acid
  • 4-02-00-00083 (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

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
61.04 g/molcalc.
Exact mass
61.0164 Dacalc.
LogP (octanol/water)
-0.88calc.
Topological polar surface area
49.33 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
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

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.

Formohydroxamic acid suppliers

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Formohydroxamic acid price

Indicative price range per kg from live supplier offers

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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

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

Frequently asked questions

Quick answers about Formohydroxamic acid, based on the data on this page

What is Formohydroxamic acid?

Formohydroxamic acid is a chemical substance with the molecular formula CH3NO2 and a molar mass of 61.04 g/mol. Its CAS registry number is 4312-87-2. The IUPAC name is N-hydroxyformamide.

What is the CAS number of Formohydroxamic acid?

The CAS registry number of Formohydroxamic acid is 4312-87-2.

What is the molecular formula and weight of Formohydroxamic acid?

The molecular formula of Formohydroxamic acid is CH3NO2 and its molar mass is 61.04 g/mol.

Is Formohydroxamic acid hazardous?

No GHS hazard classification for Formohydroxamic acid 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 Formohydroxamic acid?

Formohydroxamic acid 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 Formohydroxamic acid?

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

What is the price of Formohydroxamic acid?

Suppliers quote Formohydroxamic acid 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 Formohydroxamic acid

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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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