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Screening compounds

Spirobicromane

Also known as 4,4,4',4'-Tetramethyl-2,2'-spirobi[chroman]-7,7'-diol, 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol, 4,4,4',4'-tetramethyl-3,3',4,4'-tetrahydro-2,2'-spirobi[[1]benzopyran]-7,7'-diol

CAS 3127-14-8Formula C21H24O4Molar mass 340.42 g/molEC 678-481-7
GHS signal word: Warning. Pictograms: Harmful or irritant
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Spirobicromane chemical structure, C21H24O4, CAS 3127-14-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3127-14-8
Formula
C21H24O4
Molar mass
340.42 g/mol
EC number
678-481-7
HS code
293299
Category
Screening compounds

What is Spirobicromane?

Plain description, key identifiers and synonyms

Spirobicromane is a chemical substance with the molecular formula C21H24O4 and a molar mass of 340.42 g/mol. Its CAS registry number is 3127-14-8. The IUPAC name is 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol
CAS number
3127-14-8 CAS number cross-checked
EC number
678-481-7
Molecular formula
C21H24O4
MDL number
MFCD00145320
InChIKey
BWQOXWHQZXVXSD-UHFFFAOYSA-N
InChI
InChI=1S/C21H24O4/c1-19(2)11-21(24-17-9-13(22)5-7-15(17)19)12-20(3,4)16-8-6-14(23)10-18(16)25-21/h5-10,22-23H,11-12H2,1-4H3
SMILES (canonical and isomeric)
CC1(CC2(CC(C3=C(O2)C=C(C=C3)O)(C)C)OC4=C1C=CC(=C4)O)C

Synonyms

  • 4,4,4',4'-Tetramethyl-2,2'-spirobi[chroman]-7,7'-diol
  • 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol
  • 4,4,4',4'-tetramethyl-3,3',4,4'-tetrahydro-2,2'-spirobi[[1]benzopyran]-7,7'-diol
  • 4,4,4',4'-Tetramethyl-2,2'-spirobicromane-7,7'-diol
  • Spirobicromane, inverted exclamation markO99%
  • 4,4,4',4'-tetramethyl-2,2'-spirobi[chromane]-7,7'-diol
  • 7,7'-dihydroxy-3,3',4,4'-tetrahydro-4,4,4',4'-tetramethyl-2,2'-spirobi(2H-1-benzopyrane)

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
340.42 g/molcalc.
Exact mass
340.1675 Dacalc.
LogP (octanol/water)
4.61calc.
Topological polar surface area
58.92 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
25calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.43calc.
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, c1ccc2c(c1)CCC1(CCc3ccccc3O1)O2

c1ccc2c(c1)CCC1(CCc3ccccc3O1)O2

4 rings, 19 atoms.

8 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

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • 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.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • 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.

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

Spirobicromane suppliers

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Spirobicromane 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 Spirobicromane is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Spirobicromane?

Spirobicromane is a chemical substance with the molecular formula C21H24O4 and a molar mass of 340.42 g/mol. Its CAS registry number is 3127-14-8. The IUPAC name is 4,4,4',4'-tetramethyl-2,2'-spirobi[3H-chromene]-7,7'-diol.

What is the CAS number of Spirobicromane?

The CAS registry number of Spirobicromane is 3127-14-8.

What is the molecular formula and weight of Spirobicromane?

The molecular formula of Spirobicromane is C21H24O4 and its molar mass is 340.42 g/mol.

What is Spirobicromane used for?

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

Is Spirobicromane hazardous?

Spirobicromane carries the GHS signal word "Warning". Main hazards: 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 Spirobicromane?

Spirobicromane is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Spirobicromane?

Post a free request on CompoundList and suppliers of Spirobicromane will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Spirobicromane?

Suppliers quote Spirobicromane 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 Spirobicromane

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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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