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104-94-9

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Identification

Name
p-Anisidine
CAS
104-94-9
Synonyms
1-AMINO-4-METHOXYBENZENE
4-AMINOANISOLE
4-AMINOPHENYL METHYL ETHER
4-ANISIDINE
4-METHOXYANILINE
4-METHOXY-BENZENAMINE
4-METHOXYBENZENEAMINE
AKOS BBS-00003546
LABOTEST-BB LTBB000468
P-AMINOANISOLE
P-AMINOPHENOL METHYL ETHER
P-ANISIDINE
PARA ANISIDINE
P-METHOXYANILINE
1-Methoxy-4-amino-benzen (p-anisidin)
1-Methoxy-4-amino-benzene/p-anisidine
4-Methoxy-1-aminobenzene
4-methoxy-anilin
4-methoxy-benzenamin
4-Methoxy-phenylamine
EINECS(EC#)
203-254-2
Molecular Formula
C7H9NO
MDL Number
MFCD00007864
Molecular Weight
123.15
MOL File
104-94-9.mol

Chemical Properties

Appearance
Anisidine exists as ortho-, meta-, and paraisomers. They have characteristic amine (fishy) odors.
Appearance
grey to brown crystalline powder, granules
mp 
56-59 °C(lit.)

bp 
240-243 °C(lit.)

density 
1.06
refractive index 
1.5559
Fp 
122 °C
storage temp. 
2-8°C

form 
crystalline

color 
dark gray to brown

Water Solubility 
21 g/L (20 ºC)
Merck 
14,667
Detection Methods
GC,NMR
BRN 
471556
Uses
Azo dyestuffs, intermediate.
CAS DataBase Reference
104-94-9(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, 4-methoxy-(104-94-9)
Storage Precautions
Store under nitrogen
EPA Substance Registry System
104-94-9(EPA Substance)

Safety Data

Hazard Codes 
T+,N,Xi
Risk Statements 
R45:May cause cancer.
R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
R33:Danger of cumulative effects.
R50:Very Toxic to aquatic organisms.
Safety Statements 
S53:Avoid exposure-obtain special instruction before use .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37:Wear suitable protective clothing and gloves .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR 
UN 2811 6.1/PG 3

WGK Germany 
2

RTECS 
BZ5450000


8
HazardClass 
6.1
PackingGroup 
III
HS Code 
29222200
Safety Profile
Moderately toxic by several routes. A mild sensitizer. May cause a contact dermatitis. Mutation data reported. Questionable carcinogen. See also ANILINE. When heated to decomposition it emits toxic fumes of Nox
Hazardous Substances Data
104-94-9(Hazardous Substances Data)

Raw materials And Preparation Products

Hazard Information

General Description
Brown crystals or dark brown solid. Characteristic amine odor.
Reactivity Profile
P-ANISIDINE(104-94-9) may be sensitive to heat, light and moisture. Reacts with acids, acid chlorides, acid anhydrides, chloroformates and strong oxidizing agents. Incompatible with alkaline materials. Incompatible with aldehydes, ketones and nitrates.
Air & Water Reactions
Insoluble in water.
Hazard
Strong irritant. Toxic when absorbed through the skin. Questionable carcinogen.
Potential Exposure
Anisidines are used in the manufacture of azo dyes; pharmaceuticals; textile-processing chemicals Incompatibilities: Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine,bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Attacks some coatings and some forms of plastic and rubber.
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
Fire Hazard
This chemical is flammable.
Shipping
UN2431 Anisidines, Hazard Class: 6.1; Labels: 6.1-Poisonous materials
Waste Disposal
Dissolve in combustible solvent (alcohols, benzene, etc.) and spray solution into furnace equipped with afterburner and scrubber, or burn spill residue on sand and soda ash absorbent in a furnace.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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