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Impurities and reference standards

2-Hydroxybenzoic anhydride

Also known as Salizylsaureanhydrid, Acetylsalicylic Acid Impurity 18

CAS 607-87-4Formula C14H10O5Molar mass 258.23 g/mol
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2-Hydroxybenzoic anhydride chemical structure, C14H10O5, CAS 607-87-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
607-87-4
Formula
C14H10O5
Molar mass
258.23 g/mol
HS code
291823
Category
Impurities and reference standards

What is 2-Hydroxybenzoic anhydride?

Plain description, key identifiers and synonyms

2-Hydroxybenzoic anhydride is a chemical substance with the molecular formula C14H10O5 and a molar mass of 258.23 g/mol. Its CAS registry number is 607-87-4. The IUPAC name is (2-hydroxybenzoyl) 2-hydroxybenzoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2-hydroxybenzoyl) 2-hydroxybenzoate
CAS number
607-87-4 CAS number cross-checked
Molecular formula
C14H10O5
InChIKey
WLPQCHKXJRHZRI-UHFFFAOYSA-N
InChI
InChI=1S/C14H10O5/c15-11-7-3-1-5-9(11)13(17)19-14(18)10-6-2-4-8-12(10)16/h1-8,15-16H
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C(=O)OC(=O)C2=CC=CC=C2O)O

Synonyms

  • Salizylsaureanhydrid
  • Acetylsalicylic Acid Impurity 18

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
258.23 g/molcalc.
Exact mass
258.0528 Dacalc.
LogP (octanol/water)
2.1calc.
Topological polar surface area
83.83 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
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, O=C(OC(=O)c1ccccc1)c1ccccc1

O=C(OC(=O)c1ccccc1)c1ccccc1

2 rings, 17 atoms, the Benzoic anhydride ring system.

56 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.

2-Hydroxybenzoic anhydride suppliers

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2-Hydroxybenzoic anhydride 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 2-Hydroxybenzoic anhydride is traded under.

HS 2918.23Indicative HS code

Carboxylic acids, (with phenol function but without other oxygen function), other esters of salicylic acid…

World exports in 2024
$260M
−7.1% vs 2023, imports $277M
2019 to 2024
Top exporters
  1. China41.8%
  2. India * partner reported15.2%
  3. United States6.4%
Top importers
  1. United States19.3%
  2. Brazil8.8%
  3. Singapore7.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Hydroxybenzoic anhydride is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Hydroxybenzoic anhydride, based on the data on this page

What is 2-Hydroxybenzoic anhydride?

2-Hydroxybenzoic anhydride is a chemical substance with the molecular formula C14H10O5 and a molar mass of 258.23 g/mol. Its CAS registry number is 607-87-4. The IUPAC name is (2-hydroxybenzoyl) 2-hydroxybenzoate.

What is the CAS number of 2-Hydroxybenzoic anhydride?

The CAS registry number of 2-Hydroxybenzoic anhydride is 607-87-4.

What is the molecular formula and weight of 2-Hydroxybenzoic anhydride?

The molecular formula of 2-Hydroxybenzoic anhydride is C14H10O5 and its molar mass is 258.23 g/mol.

Is 2-Hydroxybenzoic anhydride hazardous?

No GHS hazard classification for 2-Hydroxybenzoic anhydride 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 2-Hydroxybenzoic anhydride?

2-Hydroxybenzoic anhydride is usually classified under HS code 291823 (Carboxylic acids with phenol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Hydroxybenzoic anhydride?

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What is the price of 2-Hydroxybenzoic anhydride?

Suppliers quote 2-Hydroxybenzoic anhydride 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 2-Hydroxybenzoic anhydride

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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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