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Initiators, curing agents and crosslinkers

Monoperoxyphthalic acid

Also known as Monoperphthalic acid, Benzenecarboperoxoic acid, 2-carboxy-, Perphthalic acid

CAS 2311-91-3Formula C8H6O5Molar mass 182.13 g/molEC 219-003-5
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Monoperoxyphthalic acid chemical structure, C8H6O5, CAS 2311-91-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2311-91-3
Formula
C8H6O5
Molar mass
182.13 g/mol
EC number
219-003-5
HS code
291739
Category
Initiators, curing agents and crosslinkers

What is Monoperoxyphthalic acid?

Plain description, key identifiers and synonyms

Monoperoxyphthalic acid is a chemical substance with the molecular formula C8H6O5 and a molar mass of 182.13 g/mol. Its CAS registry number is 2311-91-3. The IUPAC name is 2-carbonoperoxoylbenzoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-carbonoperoxoylbenzoic acid
CAS number
2311-91-3 CAS number cross-checked
EC number
219-003-5
Molecular formula
C8H6O5
UNII
Z3STZ5UZ5P
InChIKey
GLVYLTSKTCWWJR-UHFFFAOYSA-N
InChI
InChI=1S/C8H6O5/c9-7(10)5-3-1-2-4-6(5)8(11)13-12/h1-4,12H,(H,9,10)
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C(=O)O)C(=O)OO

Synonyms

  • Monoperphthalic acid
  • Benzenecarboperoxoic acid, 2-carboxy-
  • Perphthalic acid
  • 2-carboperoxybenzoic acid
  • 2-carbonoperoxoylbenzoic acid
  • MonoperoxyphthalicAcid
  • perphthalate
  • monoperphtalic acid
  • mono-perphthalic acid
  • 2-carbonoperoxoyl-benzoic acid
  • 2-Carboxybenzenecarboperoxoic acid

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
182.13 g/molcalc.
Exact mass
182.0215 Dacalc.
LogP (octanol/water)
1.01calc.
Topological polar surface area
83.83 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
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.

Monoperoxyphthalic acid suppliers

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Monoperoxyphthalic acid price

Indicative price range per kg from live supplier offers

No published prices right now

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

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 Monoperoxyphthalic acid is traded under.

HS 2917.39Indicative HS code

Aromatic polycarboxylic acids, not elsewhere classified in subheading 2917.3

World exports in 2024
$1.87B
+19.8% vs 2023, imports $2.65B
2019 to 2024
Top exporters
  1. China31.7%
  2. South Korea12.9%
  3. United States9.8%
Top importers
  1. Egypt12.7%
  2. United States12.5%
  3. China10.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Monoperoxyphthalic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Monoperoxyphthalic acid?

Monoperoxyphthalic acid is a chemical substance with the molecular formula C8H6O5 and a molar mass of 182.13 g/mol. Its CAS registry number is 2311-91-3. The IUPAC name is 2-carbonoperoxoylbenzoic acid.

What is the CAS number of Monoperoxyphthalic acid?

The CAS registry number of Monoperoxyphthalic acid is 2311-91-3.

What is the molecular formula and weight of Monoperoxyphthalic acid?

The molecular formula of Monoperoxyphthalic acid is C8H6O5 and its molar mass is 182.13 g/mol.

What is Monoperoxyphthalic acid used for?

Known uses and roles of Monoperoxyphthalic acid include initiators and catalysts in plastics and polymers and curing agents and crosslinkers in plastics and polymers.

Is Monoperoxyphthalic acid hazardous?

No GHS hazard classification for Monoperoxyphthalic 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 Monoperoxyphthalic acid?

Monoperoxyphthalic acid is usually classified under HS code 291739 (Aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Monoperoxyphthalic acid?

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

What is the price of Monoperoxyphthalic acid?

Suppliers quote Monoperoxyphthalic 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 Monoperoxyphthalic 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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