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Sulfur and phosphorus compounds

Phenyl phosphate

Also known as Phenyl dihydrogen phosphate, Phenylphosphate, Phosphoric acid, monophenyl ester

CAS 701-64-4Formula C6H7O4PMolar mass 174.09 g/molEC 211-857-7
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 4 suppliers listed
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Phenyl phosphate chemical structure, C6H7O4P, CAS 701-64-4
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Clear, colorless liquid
Density
1.14 (Water = 1)
Solubility
In water, approximately 1%
HS code
291990
Category
Sulfur and phosphorus compounds
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Phenyl phosphate?

Plain description, key identifiers and synonyms

Phenyl phosphate is an aryl phosphate resulting from the mono-esterification of phosphoric acid with phenol. It has a role as a mouse metabolite. It is a conjugate acid of a phenyl phosphate(2-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
phenyl dihydrogen phosphate
CAS number
701-64-4 CAS number cross-checked
EC number
211-857-7
Molecular formula
C6H7O4P
UNII
75M88J863E
MDL number
MFCD00058970
InChIKey
CMPQUABWPXYYSH-UHFFFAOYSA-N
InChI
InChI=1S/C6H7O4P/c7-11(8,9)10-6-4-2-1-3-5-6/h1-5H,(H2,7,8,9)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)OP(=O)(O)O

Synonyms

  • Phenyl dihydrogen phosphate
  • Phenylphosphate
  • Phosphoric acid, monophenyl ester
  • Monophenyl phosphate
  • monophenylphosphate
  • Phenolic phosphate
  • Phenylphosphoric acid
  • phenol phosphate
  • Dihydrogen Phenyl Phosphate
  • phenoxyphosphonic acid
  • Phenylphosphoricacid
  • Phosphoric Acid Phenyl Ester
  • 1o4o
  • Phenyl acid phosphate
  • Phenyl dihydrogen phosphate #
  • phenylphosphoric acid, AldrichCPR
  • Phenyl phosphate ((pho)(ho)2po)

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

Appearance
Clear, colorless liquidexp.
Odour
Characteristic odorexp.
Density
1.14 (Water = 1)exp.
Solubility
In water, approximately 1%exp.

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
174.09 g/molcalc.
Exact mass
174.0082 Dacalc.
LogP (octanol/water)
1.16calc.
Topological polar surface area
66.76 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
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
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
Precautionary statements (19)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • 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.
  • P363Wash contaminated clothing before reuse.
  • 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

Phenyl phosphate 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 2 countries

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Phenyl phosphate 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

Catalyst for resin manufacture, paint manufacture.

Industrial uses: Surfactant (surface active agent).

Consumer uses: Surfactant (surface active agent).

Roles

  • animal metabolite
  • eukaryotic metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phenyl phosphate 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 Phenyl phosphate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phenyl phosphate, based on the data on this page

What is Phenyl phosphate?

Phenyl phosphate is an aryl phosphate resulting from the mono-esterification of phosphoric acid with phenol. It has a role as a mouse metabolite. It is a conjugate acid of a phenyl phosphate(2-).

What is the CAS number of Phenyl phosphate?

The CAS registry number of Phenyl phosphate is 701-64-4.

What is the molecular formula and weight of Phenyl phosphate?

The molecular formula of Phenyl phosphate is C6H7O4P and its molar mass is 174.09 g/mol.

What is Phenyl phosphate used for?

Catalyst for resin manufacture, paint manufacture. Industrial uses: Surfactant (surface active agent). Consumer uses: Surfactant (surface active agent).

Is Phenyl phosphate hazardous?

Phenyl phosphate carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Phenyl phosphate?

Phenyl phosphate 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 Phenyl phosphate?

CompoundList lists 4 suppliers of Phenyl phosphate in United States 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 Phenyl phosphate?

Suppliers quote Phenyl phosphate 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 Phenyl phosphate

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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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