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Aromatic building blocks

Phthalomonohydroxamic acid

Also known as o-Carboxybenzhydroxamic acid, Benzoic acid, 2-((hydroxyamino)carbonyl)-, Benzoic acid, 2-[(hydroxyamino)carbonyl]-

CAS 17698-09-8Formula C8H7NO4Molar mass 181.15 g/mol
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Phthalomonohydroxamic acid chemical structure, C8H7NO4, CAS 17698-09-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17698-09-8
Formula
C8H7NO4
Molar mass
181.15 g/mol
HS code
292800
Category
Aromatic building blocks

What is Phthalomonohydroxamic acid?

Plain description, key identifiers and synonyms

Phthalomonohydroxamic acid is a chemical substance with the molecular formula C8H7NO4 and a molar mass of 181.15 g/mol. Its CAS registry number is 17698-09-8. The IUPAC name is 2-(hydroxycarbamoyl)benzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(hydroxycarbamoyl)benzoic acid
CAS number
17698-09-8 CAS number cross-checked
Molecular formula
C8H7NO4
UNII
39GC6SA6FX
InChIKey
KHLCHQITTKZTBX-UHFFFAOYSA-N
InChI
InChI=1S/C8H7NO4/c10-7(9-13)5-3-1-2-4-6(5)8(11)12/h1-4,13H,(H,9,10)(H,11,12)
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C(=O)NO)C(=O)O

Synonyms

  • o-Carboxybenzhydroxamic acid
  • Benzoic acid, 2-((hydroxyamino)carbonyl)-
  • Benzoic acid, 2-[(hydroxyamino)carbonyl]-
  • 2-((Hydroxyamino)carbonyl)benzoic acid
  • Benzoic acid, 2-((hydroxyamino)carbonyl)-(9CI)
  • Phthalmonohydroxamic acid
  • o-Carboxybenzohydroxamic acid
  • Phthalamic acid, N-hydroxy-
  • 2-Carboxybenzohydroxamic acid
  • 2-(hydroxycarbamoyl)benzoic acid
  • N-hydroxyphthalamic acid
  • Benzoic acid, 2-((hydroxyamino)carbonyl)- (9CI)

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
181.15 g/molcalc.
Exact mass
181.0375 Dacalc.
LogP (octanol/water)
0.5calc.
Topological polar surface area
86.63 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
1calc.
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.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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.

Phthalomonohydroxamic acid suppliers

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

Frequently asked questions

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

What is Phthalomonohydroxamic acid?

Phthalomonohydroxamic acid is a chemical substance with the molecular formula C8H7NO4 and a molar mass of 181.15 g/mol. Its CAS registry number is 17698-09-8. The IUPAC name is 2-(hydroxycarbamoyl)benzoic acid.

What is the CAS number of Phthalomonohydroxamic acid?

The CAS registry number of Phthalomonohydroxamic acid is 17698-09-8.

What is the molecular formula and weight of Phthalomonohydroxamic acid?

The molecular formula of Phthalomonohydroxamic acid is C8H7NO4 and its molar mass is 181.15 g/mol.

What is Phthalomonohydroxamic acid used for?

Known uses and roles of Phthalomonohydroxamic acid include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Phthalomonohydroxamic acid hazardous?

No GHS hazard classification for Phthalomonohydroxamic 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 Phthalomonohydroxamic acid?

Phthalomonohydroxamic 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 Phthalomonohydroxamic acid?

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

What is the price of Phthalomonohydroxamic acid?

Suppliers quote Phthalomonohydroxamic 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 Phthalomonohydroxamic 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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