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Home > Encyclopedia > 4-Ethoxyaniline

4-Ethoxyaniline

4-Ethoxyaniline structure

4-Ethoxyaniline 

structure
  • CAS No:

    156-43-4

  • Formula:

    C8H11NO

  • Chemical Name:

    4-Ethoxyaniline

  • Synonyms:

    Benzenamine,4-ethoxy-;p-Phenetidine;4-Ethoxybenzenamine;4-Aminophenetole;p-Ethoxyaniline;p-Aminophenetole;p-Phenetidin;4-Ethoxyaniline;4-Phenetidine;4-Ethoxyphenylamine;NSC 3116;p-Ethoxyphenylamine;1-Amino-4-ethoxybenzene

  • Categories:

    Cosmetic Ingredient  >  Hair Dyeing

Description

colourless liquidChEBI: An aromatic ether that is aniline in which the hydrogen at position 4 is replaced by an ethoxy group. It is a hydrolysis metabolite of phenacetin.Colorless to dark red liquid.


P-phenetidine is a colorless to dark red liquid. (NTP, 1992)|COLOURLESS LIQUID. TURNS DARK RED ON EXPOSURE TO AIR AND LIGHT.


P-phenetidine is a colorless to dark red liquid. (NTP, 1992)|4-ethoxyaniline is an aromatic ether that is aniline in which the hydrogen at position 4 is replaced by an ethoxy group. It is a hydrolysis metabolite of phenacetin. It has a role as a drug metabolite. It is a substituted aniline, an aromatic ether and a primary amino compound.|Used in the manufacture of acetophenetidin.

4-Ethoxyaniline Basic Attributes

137.18

137.18

606666

205-855-5

9TSL224ZSE

1720

3116

2311

DTXSID0025864

29222200

Characteristics

35.2

1.24

P-phenetidine is a colorless to dark red liquid. (NTP, 1992)

1.0652 g/cm3 @ Temp: 15.9 °C

2.4 °C

254 °C

240 °F

n 20/D 1.559(lit.)

Practically insoluble in water

2-8°C

Vapour pressure, Pa at 50°C: 10

Relative vapour density (air = 1): 4.7

Oral-rat LD50: 540 mg/kg; Oral-Mouse LD50: 530 mg/kg

Open flame is flammable; emit toxic aniline gas when heated

Very sensitive to exposure to air and light. Turns red to brown on exposure to light and air. (NTP, 1992). Slightly soluble in water.

Ethers

P-PHENETIDINE reacts vigorously with powerful oxidizers.

425 °C

The vapour mixes well with air, explosive mixtures are easily formed.

Safety Information

III

6.1

UN 2311 6.1/PG 3

1

23/24/25-33-68-43-36-20/21/22

28-36/37-45-46

SI6465500

T,Xi,Xn

The warehouse is ventilated, low temperature and dry; stored and transported separately from food materials

Irritant

Stability Stable, but light and air sensitive. Combustible. Incompatible with strong oxidizing agents.

P261-P280-P305 + P351 + P338-P342 + P311

H302-H311-H319-H332-H334

This compound is combustible. (NTP, 1992)|Combustible.

|Warning|H302: Harmful if swallowed [Warning Acute toxicity, oral]|P201, P202, P261, P264, P270, P271, P272, P280, P281, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P321, P322, P330, P333+P313, P337+P313, P363, P405, and P501|P201, P202, P260, P261, P264, P270, P271, P272, P280, P281, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P314, P321, P330, P333+P313, P337+P313, P363, P405, and P501|Danger|H317: May cause an allergic skin reaction [Warning Sensitization, Skin]|P201, P202, P260, P261, P264, P270, P272, P273, P280, P281, P302+P352, P305+P351+P338, P308+P313, P314, P321, P333+P313, P337+P313, P363, P391, P405, and P501|P201, P202, P260, P261, P264, P270, P271, P272, P280, P281, P301+P312, P302+P352, P304+P340, P305+P351+P338, P308+P313, P311, P312, P314, P321, P330, P332+P313, P333+P313, P337+P313, P363, P403+P233, P405, and P501

Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)|Use powder, alcohol-resistant foam, water spray, carbon dioxide.

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]: As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. SPILL: Increase, in the downwind direction, as necessary, the isolation distance shown above. FIRE: If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2016)

SMALL SPILLS AND LEAKAGE: If you spill this chemical, FIRST REMOVE ALL SOURCES OF IGNITION. Then, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned. STORAGE PRECAUTIONS: You should protect this chemical from exposure to light. Keep the container tightly closed under an inert atmosphere, and store under refrigerated temperatures. STORE AWAY FROM SOURCES OF IGNITION. (NTP, 1992)

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

Separated from strong oxidants and food and feedstuffs.

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20 °C.

The substance is irritating to the eyes.

The substance may have effects on the blood. This may result in the formation of methaemoglobin.

NO open flames.

Avoid inhalation of mist.

Protective gloves.

Wear safety goggles.

Toxicity

moderately toxic

10.00

Drug Information

0.06 Days

SYMPTOMS: Symptoms of exposure to this compound may include cyanosis, hypothermia, headache, drowsiness, vomiting, nephritis and irritation of the alimentary tract. ACUTE/CHRONIC HAZARDS: This compound is toxic by ingestion, inhalation and skin absorption. It may cause irritation on contact. When heated to decomposition it emits toxic fumes. (NTP, 1992)

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop. SKIN: IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment. INHALATION: IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used; if not available, use a level of protection greater than or equal to that advised under Protective Clothing. INGESTION: DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician. If the victim is convulsing or unconscious, do not give anything by mouth, ensure that the victim's airway is open and lay the victim on his/her side with the head lower than the body. DO NOT INDUCE VOMITING. IMMEDIATELY transport the victim to a hospital. (NTP, 1992)


Fresh air, rest.


Remove contaminated clothes. Rinse and then wash skin with water and soap.


Rinse with plenty of water (remove contact lenses if easily possible).

Aminophenetole

The substance can be absorbed into the body by inhalation of its vapour and by ingestion.

Redness.

4-Ethoxyaniline Use and Manufacturing

Uses

A toxic metabolite of Phenacetin (P294580) which exhibits high renal toxicity. p-Phenetidine also reducedCOX-1 and COX-2 expression in neutrophils.

Benzenamine, 4-ethoxy-: ACTIVE

Computed Properties

Molecular Weight:137.18
XLogP3:1.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:2
Exact Mass:137.084063974
Monoisotopic Mass:137.084063974
Topological Polar Surface Area:35.2
Heavy Atom Count:10
Complexity:87.3
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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