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Silanes and silicones

Methylphenylsilanediol

Also known as phenylmethylsilanediol, dihydroxymethylphenylsilane, Silanediol, 1-methyl-1-phenyl-

CAS 3959-13-5Formula C7H10O2SiMolar mass 154.24 g/molEC 223-562-0
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Methylphenylsilanediol chemical structure, C7H10O2Si, CAS 3959-13-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3959-13-5
Formula
C7H10O2Si
Molar mass
154.24 g/mol
EC number
223-562-0
HS code
293190
Category
Silanes and silicones

What is Methylphenylsilanediol?

Plain description, key identifiers and synonyms

Methylphenylsilanediol is a chemical substance with the molecular formula C7H10O2Si and a molar mass of 154.24 g/mol. Its CAS registry number is 3959-13-5. The IUPAC name is dihydroxy-methyl-phenylsilane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dihydroxy-methyl-phenylsilane
CAS number
3959-13-5 CAS number cross-checked
EC number
223-562-0
Molecular formula
C7H10O2Si
UNII
4K77J04LV5
InChIKey
RBSBUSKLSKHTBA-UHFFFAOYSA-N
InChI
InChI=1S/C7H10O2Si/c1-10(8,9)7-5-3-2-4-6-7/h2-6,8-9H,1H3
SMILES (canonical and isomeric)
C[Si](C1=CC=CC=C1)(O)O

Synonyms

  • phenylmethylsilanediol
  • dihydroxymethylphenylsilane
  • Silanediol, 1-methyl-1-phenyl-
  • methyl(phenyl)silanediol
  • dihydroxy-methyl-phenylsilane
  • Silanediol, methylphenyl-
  • Silanediol,1-methyl-1-phenyl-

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
154.24 g/molcalc.
Exact mass
154.045 Dacalc.
LogP (octanol/water)
-0.05calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.14calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Methylphenylsilanediol suppliers

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Methylphenylsilanediol 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 Methylphenylsilanediol is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Methylphenylsilanediol?

Methylphenylsilanediol is a chemical substance with the molecular formula C7H10O2Si and a molar mass of 154.24 g/mol. Its CAS registry number is 3959-13-5. The IUPAC name is dihydroxy-methyl-phenylsilane.

What is the CAS number of Methylphenylsilanediol?

The CAS registry number of Methylphenylsilanediol is 3959-13-5.

What is the molecular formula and weight of Methylphenylsilanediol?

The molecular formula of Methylphenylsilanediol is C7H10O2Si and its molar mass is 154.24 g/mol.

Is Methylphenylsilanediol hazardous?

No GHS hazard classification for Methylphenylsilanediol is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Methylphenylsilanediol?

Methylphenylsilanediol is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Methylphenylsilanediol?

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

What is the price of Methylphenylsilanediol?

Suppliers quote Methylphenylsilanediol 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 Methylphenylsilanediol

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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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