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Aromatic building blocks

Fosfosal

Also known as o-Carboxyphenyl phosphate, Aydolid, 2-Phosphonoxybenzoic acid

CAS 6064-83-1Formula C7H7O6PMolar mass 218.10 g/molEC 227-993-5
GHS signal word: Warning. Pictograms: Harmful or irritant 4 suppliers listed
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Fosfosal chemical structure, C7H7O6P, CAS 6064-83-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6064-83-1
Formula
C7H7O6P
Molar mass
218.10 g/mol
EC number
227-993-5
HS code
291990
Category
Aromatic building blocks

What is Fosfosal?

Plain description, key identifiers and synonyms

2-phosphonooxybenzoic acid is an aryl phosphate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-phosphonooxybenzoic acid
CAS number
6064-83-1 CAS number cross-checked
EC number
227-993-5
Molecular formula
C7H7O6P
UNII
124X2V25W4
MDL number
MFCD00042645
InChIKey
FFKUDWZICMJVPA-UHFFFAOYSA-N
InChI
InChI=1S/C7H7O6P/c8-7(9)5-3-1-2-4-6(5)13-14(10,11)12/h1-4H,(H,8,9)(H2,10,11,12)
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C(=O)O)OP(=O)(O)O

Synonyms

  • o-Carboxyphenyl phosphate
  • Aydolid
  • 2-Phosphonoxybenzoic acid
  • Salicylic acid dihydrogen phosphate
  • Benzoic acid, 2-(phosphonooxy)-
  • Fosfosalum
  • Disodium salicylphosphate
  • Salicylic acid phosphate disodium salt
  • o-cpp cpd
  • o-carboxyphenylphosphate
  • 2-Carboxyphenylphosphoric acid
  • o-carboxyphenylphosphoric acid
  • 2-(Phosphonooxy)benzoic acid
  • 2-Carboxyphenyl phosphate
  • Disdolen
  • Salicyl phosphate
  • 2-Phosphonooxybenzoic acid
  • Phosphonoxybenzoic acid
  • o-(Phosphonooxy)benzoic acid
  • Benzoic acid, o-(phosphonooxy)-
  • UR 1521
  • 2-Phosphonoxybenzoesaeure
  • UR 1522
  • Salicylic acid phosphate
  • 2-Phosphonooxy-benzoic acid
Show all 31 synonyms
  • Fosfosal (INN)
  • 2-(Phosphonooxy)benzoic Acid [for Biochemical Research]
  • Aydolid (TN)
  • Salicylic acid, dihydrogen phosphate
  • 2-(Phosphonooxy)benzoicacid
  • 4-10-00-00142 (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
218.10 g/molcalc.
Exact mass
217.998 Dacalc.
LogP (octanol/water)
0.86calc.
Topological polar surface area
104.1 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Fosfosal suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 4 suppliers
4 of 4 offers

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Where suppliers are based

4 suppliers in 3 countries

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Fosfosal 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 Fosfosal is traded under.

HS 2919.90Indicative HS code

Phosphoric, and their salts, including lactophosphates, their halogenated, sulphonated, nitrated…

World exports in 2024
$940M
−0.7% vs 2023, imports $863M
2019 to 2024
Top exporters
  1. China55.6%
  2. Germany10.6%
  3. Italy6.2%
Top importers
  1. United States15.8%
  2. South Korea10.1%
  3. Germany6.4%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Fosfosal?

2-phosphonooxybenzoic acid is an aryl phosphate.

What is the CAS number of Fosfosal?

The CAS registry number of Fosfosal is 6064-83-1.

What is the molecular formula and weight of Fosfosal?

The molecular formula of Fosfosal is C7H7O6P and its molar mass is 218.10 g/mol.

What is Fosfosal used for?

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

Is Fosfosal hazardous?

Fosfosal carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fosfosal?

Fosfosal is usually classified under HS code 291990 (Phosphoric esters and their salts, including lactophosphates, their halogenated…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fosfosal?

CompoundList lists 4 suppliers of Fosfosal in United States, Canada and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fosfosal?

Suppliers quote Fosfosal 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 Fosfosal

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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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