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Silanes and silicones

Silimin

Also known as Chloromethylsilatrane, 1-(Chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane, 1-(Chloromethyl)silatrane

CAS 42003-39-4Formula C7H14ClNO3SiMolar mass 223.73 g/molEC 255-621-1
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Silimin chemical structure, C7H14ClNO3Si, CAS 42003-39-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
42003-39-4
Formula
C7H14ClNO3Si
Molar mass
223.73 g/mol
EC number
255-621-1
HS code
293190
Category
Silanes and silicones

What is Silimin?

Plain description, key identifiers and synonyms

Silimin is a chemical substance with the molecular formula C7H14ClNO3Si and a molar mass of 223.73 g/mol. Its CAS registry number is 42003-39-4. The IUPAC name is 1-(chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane
CAS number
42003-39-4 CAS number cross-checked
EC number
255-621-1
Molecular formula
C7H14ClNO3Si
UNII
7R9B5A0VPH
MDL number
MFCD00053377
InChIKey
METVSRFIOHSNJX-UHFFFAOYSA-N
InChI
InChI=1S/C7H14ClNO3Si/c8-7-13-10-4-1-9(2-5-11-13)3-6-12-13/h1-7H2
SMILES (canonical and isomeric)
C1CO[Si]2(OCCN1CCO2)CCl

Synonyms

  • Chloromethylsilatrane
  • 1-(Chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane
  • 1-(Chloromethyl)silatrane
  • 1-chloromethylsilatrane
  • 1-Chloromethyl silatrane
  • 1-(Chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo(3.3.3)undecane
  • 2,8,9-Trioxa-5-aza-1-silabicyclo[3.3.3]undecane, 1-(chloromethyl)-
  • 2,8,9-Trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1-(chloromethyl)-
  • CM-silatrane
  • CM-silitrane
  • Mival
  • 1-Chloromethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane
  • C7H14ClNO3Si
  • 5-(chloromethyl)-4,6,11-trioxa-1-aza-5-silabicyclo[3.3.3]undecane
  • 1-Chloromethyl-2,8,9-trioxa-5-aza-1-sila-bicyclo(3.3.3)undecane
  • 1-(Chloromethyl)-2,8,9-trioxa-5-aza-1- silabicyclo(3.3.3)undecane
  • 2,8,9-Trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1- (chloromethyl)-

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
223.73 g/molcalc.
Exact mass
223.0431 Dacalc.
LogP (octanol/water)
0.08calc.
Topological polar surface area
30.93 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
13calc.
Rings
3calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
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, C1CN2CCO[SiH](O1)OCC2

C1CN2CCO[SiH](O1)OCC2

3 rings, 11 atoms, the Silatrane ring system.

74 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.

Silimin suppliers

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Silimin 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

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Silimin 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 Silimin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Silimin?

Silimin is a chemical substance with the molecular formula C7H14ClNO3Si and a molar mass of 223.73 g/mol. Its CAS registry number is 42003-39-4. The IUPAC name is 1-(chloromethyl)-2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane.

What is the CAS number of Silimin?

The CAS registry number of Silimin is 42003-39-4.

What is the molecular formula and weight of Silimin?

The molecular formula of Silimin is C7H14ClNO3Si and its molar mass is 223.73 g/mol.

What is Silimin used for?

Known uses and roles of Silimin include adhesion promoters in adhesives and sealants.

Is Silimin hazardous?

No GHS hazard classification for Silimin 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 Silimin?

Silimin 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 Silimin?

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

What is the price of Silimin?

Suppliers quote Silimin 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 Silimin

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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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