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p-Anisidine

Also known as: 4-Aminoanisole, 4-Methoxyaniline, 4-Methoxybenzenamine, 4-Methoxyphenylamine, 1-Amino-4-methoxybenzene, p-Aminoanisole, p-Methoxyaniline, para-Methoxyaniline, Anisidine, Benzenamine, 4-methoxy-

p-Anisidine (CAS 104-94-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H9NO and a molecular weight of 123.152 g/mol. Key properties include a melting point of 56-59 °C(lit.), a boiling point of 240-243 ºC, a density of 1.06 and a flash point of 122 ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
104-94-9
Jingsj CID
J-879618-7
Molecular Formula
C7H9NO
Molecular Weight
123.152 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-59 °C(lit.)
Boiling Point240-243 ºC
Density1.06
Flash Point122 ºC
Exact Mass123.068413
PSA35.25000
LogP0.74
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.555
Additional Property21 g/L (20 ºC)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H310
  • H330 — Fatal if inhaled
  • H350 — May cause cancer
  • H373 — May cause damage to organs through prolonged exposure
  • H400 — Very toxic to aquatic life

Customs & Trade Information

HS Code2922291000
Summary2922291000 4-methoxyaniline。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。Lowest tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of p-Anisidine?

The CAS number of p-Anisidine is 104-94-9.

What are the molecular formula and molecular weight of p-Anisidine?

p-Anisidine has molecular formula C7H9NO and molecular weight 123.152 g/mol.

Is p-Anisidine hazardous?

p-Anisidine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of p-Anisidine?

For p-Anisidine, Upstream Products: 4-Bromoanisole, 4-Nitroanisole, 1-Chloro-4-methoxybenzene; Downstream Products: 4-(6-Methoxybenzo[d]thiazol-2-yl)-N,N-dimethylaniline, 1-(4-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid, 1-(4-methoxyphenyl)-7,7-dimethyl-3-[(3-nitrophenyl)methyl]-7,8-dihydroquinoline-2,5(1H,6H)-dione.

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

Last updated:

How to cite: Jingsj. "p-Anisidine (CAS 104-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-879618-7 (accessed 2026-11-09).

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