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Impurities and reference standards

Dipropofo

Also known as 3,3',5,5'-Tetrakis(1-methylethyl)biphenyl-4,4'-diol, Propofol specified impurity E, 3,3',5,5'-Tetraisopropyl-4,4'-dihydroxybiphenyl

CAS 2416-95-7Formula C24H34O2Molar mass 354.53 g/molEC 642-112-8
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 2 suppliers listed
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Dipropofo chemical structure, C24H34O2, CAS 2416-95-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2416-95-7
Formula
C24H34O2
Molar mass
354.53 g/mol
EC number
642-112-8
HS code
290729
Category
Impurities and reference standards

What is Dipropofo?

Plain description, key identifiers and synonyms

Dipropofo is a chemical substance with the molecular formula C24H34O2 and a molar mass of 354.53 g/mol. Its CAS registry number is 2416-95-7. The IUPAC name is 4-[4-hydroxy-3,5-di(propan-2-yl)phenyl]-2,6-di(propan-2-yl)phenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[4-hydroxy-3,5-di(propan-2-yl)phenyl]-2,6-di(propan-2-yl)phenol
CAS number
2416-95-7 CAS number cross-checked
EC number
642-112-8
Molecular formula
C24H34O2
UNII
H9GE6HX42A
MDL number
MFCD20257818
InChIKey
QAISRHCMPQROAX-UHFFFAOYSA-N
InChI
InChI=1S/C24H34O2/c1-13(2)19-9-17(10-20(14(3)4)23(19)25)18-11-21(15(5)6)24(26)22(12-18)16(7)8/h9-16,25-26H,1-8H3
SMILES (canonical and isomeric)
CC(C)C1=CC(=CC(=C1O)C(C)C)C2=CC(=C(C(=C2)C(C)C)O)C(C)C

Synonyms

  • 3,3',5,5'-Tetrakis(1-methylethyl)biphenyl-4,4'-diol
  • Propofol specified impurity E
  • 3,3',5,5'-Tetraisopropyl-4,4'-dihydroxybiphenyl
  • (1,1'-Biphenyl)-4,4'-diol, 3,3',5,5'-tetrakis(1-methylethyl)-
  • Propofol impurity e
  • [1,1'-Biphenyl]-4,4'-diol, 3,3',5,5'-tetrakis(1-methylethyl)-
  • Propofol impurity e (ep impurity)
  • 3,3',5,5'-Tetraisopropylbiphenyl-4,4'-diol
  • Dipropofol
  • Propofol EP Impurity E
  • 4-[4-hydroxy-3,5-di(propan-2-yl)phenyl]-2,6-di(propan-2-yl)phenol
  • di(2,6-diisopropylphenol)
  • 3,3',5,5'-Tetraisopropyl-[1,1'-biphenyl]-4,4'-diol
  • propofol dimer
  • 4,4-Bis(2,6-diisopropylphenol)
  • 3,3',5,5'-tetrakis(propan-2-yl)-[1,1'-biphenyl]-4,4'-diol
  • 2,2',6,6'-Tetraisopropyl-p,p'-biphenol
  • 4,4'-Dihydroxy-3,3',5,5'-tetraisopropylbiphenyl
  • 3,3',5,5'-Tetra(propan-2-yl)[1,1'-biphenyl]-4,4'-diol
  • 4-(4-hydroxy-3,5-diisopropyl-phenyl)-2,6-diisopropyl-phenol
  • Propofol dimer, Dipropofol, 3,3',5,5'-Tetraisopropylbiphenyl-4,4'-diol

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
354.53 g/molcalc.
Exact mass
354.2559 Dacalc.
LogP (octanol/water)
7.26calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
26calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 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

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (22)
  • 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.
  • P273Avoid release to the environment.
  • 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.
  • 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.
  • P391Collect spillage.
  • 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

Dipropofo suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 1 country

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Dipropofo price

Indicative price range per kg from live supplier offers

No published prices right now

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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 Dipropofo is traded under.

HS 2907.29Indicative HS code

Polyphenols, phenol-alcohols, other

World exports in 2024
$535M
−27.0% vs 2023, imports $565M
2019 to 2024
Top exporters
  1. India * partner reported17.7%
  2. Germany16.5%
  3. Japan15.8%
Top importers
  1. United States13.1%
  2. Japan8.0%
  3. Belgium7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Dipropofo?

Dipropofo is a chemical substance with the molecular formula C24H34O2 and a molar mass of 354.53 g/mol. Its CAS registry number is 2416-95-7. The IUPAC name is 4-[4-hydroxy-3,5-di(propan-2-yl)phenyl]-2,6-di(propan-2-yl)phenol.

What is the CAS number of Dipropofo?

The CAS registry number of Dipropofo is 2416-95-7.

What is the molecular formula and weight of Dipropofo?

The molecular formula of Dipropofo is C24H34O2 and its molar mass is 354.53 g/mol.

Is Dipropofo hazardous?

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

What is the HS code of Dipropofo?

Dipropofo is usually classified under HS code 290729 (Polyphenols, phenol-alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dipropofo?

CompoundList lists 2 suppliers of Dipropofo in 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 Dipropofo?

Suppliers quote Dipropofo 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 Dipropofo

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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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