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Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]-

Also known as: (1,2-dihydronaphthalen-4-yloxy)trimethylsilane, (3,4-Dihydro-1-naphthyloxy)trimethylsilane, (3,4-dihydro-1-naphthalenyloxy)(trimethyl)silane, (3,4-dihydronaphthalen-1-yloxy)trimethylsilane, 3,4-Dihydro-1-(trimethylsilyloxy)naphthalene, 3,4-dihydronaphthalen-1(2H)-one trimethylsilyl enol ether, 3,4-dihydronaphthalen-1-yloxy(trimethyl)silane, MFCD03093969

Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- (CAS 38858-72-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H18OSi and a molecular weight of 218.36700 g/mol. Key properties include a boiling point of 63-65ºC0.01 mm Hg(lit.), a density of 0.983 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
38858-72-9
Jingsj CID
J-10924-0
Molecular Formula
C13H18OSi
Molecular Weight
218.36700 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/3/2026
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Physicochemical Properties

Boiling Point63-65ºC0.01 mm Hg(lit.)
Density0.983 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass218.11300
PSA9.23000
LogP3.82520
Refractive Indexn20/D 1.5287(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]-?

The CAS number of Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- is 38858-72-9.

What are the molecular formula and molecular weight of Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]-?

Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- has molecular formula C13H18OSi and molecular weight 218.36700 g/mol.

Is Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- hazardous?

Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]-?

For Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]-, Upstream Products: Chlorotrimethylsilane, 1-Tetralone, Trimethylsilyl trifluoromethanesulfonate; Downstream Products: 1-Naphthol, 1-Tetralone, 2-(2-Carboxyethyl)benzoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Naphthalene, 1,2-dihydro-4-[(trimethylsilyl)oxy]- (CAS 38858-72-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10924-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.