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1-(Methoxymethyl)-1H-benzotriazole

Also known as: Methoxymethylbenzotriazole, 1-(methoxymethyl)benzotriazole, 1H-Benzotriazole, 1-(methoxymethyl)-, MFCD00216630

1-(Methoxymethyl)-1H-benzotriazole (CAS 71878-80-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H9N3O and a molecular weight of 163.17700 g/mol. Key properties include a melting point of 42-43ºC(lit.), a boiling point of 291.7ºC at 760 mmHg, a density of 1.25g/cm3 and a flash point of 130.2ºC. 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 Aug 21, 2026.

CAS No.
71878-80-3
Jingsj CID
J-929813-9
Molecular Formula
C8H9N3O
Molecular Weight
163.17700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point42-43ºC(lit.)
Boiling Point291.7ºC at 760 mmHg
Density1.25g/cm3
Flash Point130.2ºC
Exact Mass163.07500
PSA39.94000
LogP1.03520
Refractive Index1.618

GHS Safety & Compliance

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

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(Methoxymethyl)-1H-benzotriazole?

The CAS number of 1-(Methoxymethyl)-1H-benzotriazole is 71878-80-3.

What are the molecular formula and molecular weight of 1-(Methoxymethyl)-1H-benzotriazole?

1-(Methoxymethyl)-1H-benzotriazole has molecular formula C8H9N3O and molecular weight 163.17700 g/mol.

Is 1-(Methoxymethyl)-1H-benzotriazole hazardous?

1-(Methoxymethyl)-1H-benzotriazole 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 1-(Methoxymethyl)-1H-benzotriazole?

For 1-(Methoxymethyl)-1H-benzotriazole, Upstream Products: Methanol, 1-(Chloromethyl)-1H-benzotriazole, Sodium methoxide; Downstream Products: Benzoin methyl ether, 2-Methoxyacetophenone, 1-Methylbenzotriazole.

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

Last updated:

How to cite: Jingsj. "1-(Methoxymethyl)-1H-benzotriazole (CAS 71878-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-929813-9 (accessed 2026-11-09).

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