Skip to main content
Jingsj
.mol.sdf

3,4-Dimethoxyphenethyl isocyanate

Also known as: 4-(2-isocyanatoethyl)-1,2-dimethoxybenzene, Benzene,4-(2-isocyanatoethyl)-1,2-dimethoxy-, 2-(3,4-dimethoxyphenyl)ethyl isocyanate

3,4-Dimethoxyphenethyl isocyanate (CAS 35167-81-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13NO3 and a molecular weight of 207.22600 g/mol. Key properties include a boiling point of 295-296ºC(lit.), a density of 1.1370 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
35167-81-8
Jingsj CID
J-34329-3
Molecular Formula
C11H13NO3
Molecular Weight
207.22600 g/mol
Category
Organic Acids
Last updated
11/3/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point295-296ºC(lit.)
Density1.1370 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass207.09000
PSA47.89000
LogP1.58210
Refractive Indexn20/D 1.5360(lit.)

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2929109000
Summary2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,4-Dimethoxyphenethyl isocyanate?

The CAS number of 3,4-Dimethoxyphenethyl isocyanate is 35167-81-8.

What are the molecular formula and molecular weight of 3,4-Dimethoxyphenethyl isocyanate?

3,4-Dimethoxyphenethyl isocyanate has molecular formula C11H13NO3 and molecular weight 207.22600 g/mol.

Is 3,4-Dimethoxyphenethyl isocyanate hazardous?

3,4-Dimethoxyphenethyl isocyanate has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 3,4-Dimethoxyphenethyl isocyanate?

For 3,4-Dimethoxyphenethyl isocyanate, Upstream Products: 3-(3,4-Dimethoxyphenyl)propionic acid, 3,4-Dimethoxyphenethylamine, Bis(trichloromethyl) carbonate; Downstream Products: 3,4-Dimethoxyphenethylamine, 6,7-Dimethoxy-3,4-dihydroisoquinolin-1(2H)-one.

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

Last updated:

How to cite: Jingsj. "3,4-Dimethoxyphenethyl isocyanate (CAS 35167-81-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34329-3 (accessed 2026-11-09).

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