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4-Methoxybenzenediazonium tetrafluoroborate

Also known as: 4-Methoxybenzenediazonium tetrafluoroborate, 4-Methoxybenzenediazonium tetrafluoro, 4-MethoxybenzenediazoniumTetrafluoroborate98%, 4-methoxobenzene diazotetrafluoroborate, 4-methoxybenzenediazonium,tetrafluoroborate, 4-Mebenzenediazonium tetrafluoroborate, Methoxybenzenediazonium tetrafluoroborate

4-Methoxybenzenediazonium tetrafluoroborate (CAS 459-64-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7BF4N2O and a molecular weight of 221.948 g/mol. Key property: a melting point of 142-144ºC(lit.). It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
459-64-3
Jingsj CID
J-7274-2
Molecular Formula
C7H7BF4N2O
Molecular Weight
221.948 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point142-144ºC(lit.)
Exact Mass222.058762
PSA37.38000
LogP3.47978
Additional PropertyDecompose in water

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2927000090
Summary2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Methoxybenzenediazonium tetrafluoroborate?

The CAS number of 4-Methoxybenzenediazonium tetrafluoroborate is 459-64-3.

What are the molecular formula and molecular weight of 4-Methoxybenzenediazonium tetrafluoroborate?

4-Methoxybenzenediazonium tetrafluoroborate has molecular formula C7H7BF4N2O and molecular weight 221.948 g/mol.

Is 4-Methoxybenzenediazonium tetrafluoroborate hazardous?

4-Methoxybenzenediazonium tetrafluoroborate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of 4-Methoxybenzenediazonium tetrafluoroborate?

For 4-Methoxybenzenediazonium tetrafluoroborate, Upstream Products: p-Anisidine, N-(4-Methoxyphenyl)acetamide, Sulfamic acid; Downstream Products: Diethyl (4-methoxyphenyl)phosphonate, Diethyl phenylphosphonate, 4-Iodoanisole.

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

Last updated:

How to cite: Jingsj. "4-Methoxybenzenediazonium tetrafluoroborate (CAS 459-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7274-2 (accessed 2026-11-09).

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