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Aromatic building blocks

4-Hydroxyhippuric acid

Also known as p-Hydroxyhippuric acid, N-(4-Hydroxybenzoyl)glycine, 4-Hydroxybenzoylglycine

CAS 2482-25-9Formula C9H9NO4Molar mass 195.17 g/molEC 822-262-2
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 4 suppliers listed
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4-Hydroxyhippuric acid chemical structure, C9H9NO4, CAS 2482-25-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2482-25-9
Formula
C9H9NO4
Molar mass
195.17 g/mol
EC number
822-262-2
HS code
292429
Category
Aromatic building blocks

What is 4-Hydroxyhippuric acid?

Plain description, key identifiers and synonyms

P-hydroxyhippuric acid is an N-acylglycine that is the 4-hydroxy derivative of hippuric acid. It has a role as a human blood serum metabolite. It is functionally related to a N-benzoylglycine. It is a conjugate acid of a p-hydroxyhippurate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(4-hydroxybenzoyl)amino]acetic acid
CAS number
2482-25-9 CAS number cross-checked
EC number
822-262-2
Molecular formula
C9H9NO4
UNII
4E2MH5995F
MDL number
MFCD00237117
InChIKey
ZMHLUFWWWPBTIU-UHFFFAOYSA-N
InChI
InChI=1S/C9H9NO4/c11-7-3-1-6(2-4-7)9(14)10-5-8(12)13/h1-4,11H,5H2,(H,10,14)(H,12,13)
SMILES (canonical and isomeric)
C1=CC(=CC=C1C(=O)NCC(=O)O)O

Synonyms

  • p-Hydroxyhippuric acid
  • N-(4-Hydroxybenzoyl)glycine
  • 4-Hydroxybenzoylglycine
  • Glycine, N-(4-hydroxybenzoyl)-
  • 2-[(4-hydroxybenzoyl)amino]acetic acid
  • 2-((4-Hydroxybenzoyl)amino)acetic acid
  • 4-Hydroxy-bz-gly-oh
  • 2-(4-Hydroxybenzamido)acetic acid
  • 2-[(4-hydroxyphenyl)formamido]acetic acid
  • 4-Hydroxy-hippuric acid
  • [(4-hydroxybenzoyl)amino]acetic acid
  • 2-(4-Hydroxybenzamido)aceticacid
  • (4-hydroxybenzoyl)glycine
  • Hydroxyhippuric acid, p-
  • 2-[(4-hydroxyphenyl)carbonylamino]acetic acid
  • Hippuric acid, p-hydroxy-
  • p-Hydroxyhippuricaci
  • 4-hydroxyhippurate
  • p-Hydroxy-Bz-Gly-OH
  • N-(4-Hydroxybenzoyl)glycine, 4-Hydroxybenzoylglycine, N-(p-Hydroxybenzoyl)glycine, p-Hydroxyhippuric Acid
  • 4-OH-hippuric acid
  • p-hydroxy-hippuric acid
  • N-(4-Hydroxybenzoyl)-glycine
  • (p-hydroxybenzylamino)acetic acid
  • N-(P-Hydroxybenzoyl)glycine
Show all 26 synonyms
  • 4-Hydroxy-hippuric acid (BZ(4-OH)-Gly-OH)

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
195.17 g/molcalc.
Exact mass
195.0532 Dacalc.
LogP (octanol/water)
0.21calc.
Topological polar surface area
86.63 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.11calc.
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

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (21)
  • 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.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • 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

4-Hydroxyhippuric acid suppliers

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Where suppliers are based

4 suppliers in 2 countries

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4-Hydroxyhippuric 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

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human blood serum metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite

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 4-Hydroxyhippuric acid is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Hydroxyhippuric acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Hydroxyhippuric acid, based on the data on this page

What is 4-Hydroxyhippuric acid?

P-hydroxyhippuric acid is an N-acylglycine that is the 4-hydroxy derivative of hippuric acid. It has a role as a human blood serum metabolite. It is functionally related to a N-benzoylglycine. It is a conjugate acid of a p-hydroxyhippurate.

Is 4-Hydroxyhippuric acid hazardous?

4-Hydroxyhippuric acid carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

Guides for buyers

Practical guides that help when you source, ship or handle 4-Hydroxyhippuric 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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