3,4,5-Trimethoxyphenyl isocyanate

3,4,5-三甲氧基异氰酸苯酯

Also known as: 3,4,5-Trimethoxyphenyl cyanate, 5-Isocyanato-1,2,3-trimethoxybenzene, 5-isocyanato-1,2,3-trimethoxy-benzene, 3,4,5-trimethoxybenzenisocyanate, 3,4,5-trimethoxy-isocyanato benzene, Benzene, 5-isocyanato-1,2,3-trimethoxy-, MFCD00013861

3,4,5-Trimethoxyphenyl isocyanate (CAS 1016-19-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H11NO4 and a molecular weight of 209.19900 g/mol. It is also known as 3,4,5-Trimethoxyphenyl cyanate, 5-Isocyanato-1,2,3-trimethoxybenzene and 5-isocyanato-1,2,3-trimethoxy-benzene. Key properties include a melting point of 42-45ºC, a boiling point of 102-110ºC 0,4mm, a density of 1.13g/cm3 and a flash point of 148.5ºC. It is classified under GHS with signal word Warning 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 Aug 21, 2026.

CAS No.

1016-19-9

Jingsj CID

J-42942-1

Molecular Formula

C₁₀H₁₁NO₄

Chinese Name

3,4,5-三甲氧基异氰酸苯酯

Molecular Weight

209.19900 g/mol

Category

Organic Acids

Last updated

8/21/2026