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Aromatic building blocks

Diphenan

Also known as Carphenol, Diphenane, Parabencil

CAS 101-71-3Formula C14H13NO2Molar mass 227.26 g/molEC 622-919-1
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment
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Diphenan chemical structure, C14H13NO2, CAS 101-71-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
101-71-3
Formula
C14H13NO2
Molar mass
227.26 g/mol
EC number
622-919-1
HS code
292429
Category
Aromatic building blocks

What is Diphenan?

Plain description, key identifiers and synonyms

Diphenan is a diarylmethane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4-benzylphenyl) carbamate
CAS number
101-71-3 CAS number cross-checked
EC number
622-919-1
Molecular formula
C14H13NO2
UNII
U129BBY8DB
InChIKey
ZBJBRUSGEJORQL-UHFFFAOYSA-N
InChI
InChI=1S/C14H13NO2/c15-14(16)17-13-8-6-12(7-9-13)10-11-4-2-1-3-5-11/h1-9H,10H2,(H2,15,16)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)CC2=CC=C(C=C2)OC(=O)N

Synonyms

  • Carphenol
  • Diphenane
  • Parabencil
  • Carbaurine
  • Butolan
  • Butolen
  • Oxybulan
  • Palafuge
  • p-Benzylphenyl carbamate
  • 4-Benzylphenyl carbamate
  • difenan
  • Parabencilfenol
  • Difenano
  • Diphenanum
  • Diphenan (pharmaceutical)
  • alpha-Phenyl-p-cresol carbamate
  • GNF-Pf-1544
  • 4-(Phenylmethyl)phenol carbamate
  • p-Cresol, alpha-phenyl-, carbamate
  • Phenol, 4-(phenylmethyl)-, carbamate
  • 3-06-00-03360 (Beilstein Handbook Reference)
  • Difenano (INN-Spanish)
  • Diphenane (INN-French)
  • Diphenanum (INN-Latin)
  • (4-benzylphenyl) carbamate
Show all 30 synonyms
  • Diphenan, pharmaceutical
  • p-Hydroxydiphenylmethane carbamic acid ester
  • Carbamic acid, alpha-phenyl-p-tolyl ester
  • Phenol, carbamate
  • p-Cresol, carbamate

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
227.26 g/molcalc.
Exact mass
227.0946 Dacalc.
LogP (octanol/water)
2.73calc.
Topological polar surface area
52.32 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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, c1ccc(Cc2ccccc2)cc1

c1ccc(Cc2ccccc2)cc1

2 rings, 13 atoms, the Diphenylmethane ring system.

8,982 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H317May cause an allergic skin reaction.
  • H400Very toxic to aquatic life.
Precautionary statements (10)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

Diphenan suppliers

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Diphenan 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

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 Diphenan 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 Diphenan is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Diphenan?

Diphenan is a diarylmethane.

What is the CAS number of Diphenan?

The CAS registry number of Diphenan is 101-71-3.

What is the molecular formula and weight of Diphenan?

The molecular formula of Diphenan is C14H13NO2 and its molar mass is 227.26 g/mol.

What is Diphenan used for?

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

Is Diphenan hazardous?

Diphenan carries the GHS signal word "Warning". Main hazards: may cause an allergic skin reaction, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Diphenan?

Diphenan is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Diphenan?

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What is the price of Diphenan?

Suppliers quote Diphenan 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 Diphenan

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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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