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104-01-8

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Identification

Name
4-Methoxyphenylacetic acid
CAS
104-01-8
Synonyms
4-METHOXYPHENYLACETIC ACID
ASISCHEM D13364
HOMOANISIC ACID
HOMO-P-ANISIC ACID
LABOTEST-BB LT00848110
P-METHOXY-A-CARBOXYTOLUENE
P-METHOXYPHENYLACETIC ACID
RARECHEM AL BO 0133
(4-methoxyphenyl)ethanoicacid
2-(p-Anisyl)acetic acid
2-(p-anisyl)aceticacid
4-Methoxybenzeneacetic acid
4-methoxy-benzeneaceticaci
4-methoxybenzeneaceticacid
4-methoxy-Benzeneaceticacid
4-methoxybenzeneethanoicacid
4-Methoxyphenylethanoicacid
Acetic acid, (p-methoxyphenyl)-
Benzeneaceticacid,4-methoxy-
ethanoicacid,(4-methoxyphenyl)-
EINECS(EC#)
203-166-4
Molecular Formula
C9H10O3
MDL Number
MFCD00004345
Molecular Weight
166.17
MOL File
104-01-8.mol

Chemical Properties

Appearance
white to light yellow crystalline powder and
mp 
84-86 °C(lit.)

bp 
140 °C3 mm Hg(lit.)

Fp 
193°C
Water Solubility 
6 g/L (20 ºC)
Detection Methods
T,NMR
BRN 
1101737
Uses
Preparation of pharmaceuticals, other organic compounds.
CAS DataBase Reference
104-01-8(CAS DataBase Reference)
NIST Chemistry Reference
Benzeneacetic acid, 4-methoxy-(104-01-8)
EPA Substance Registry System
104-01-8(EPA Substance)

Questions And Answer

Uses
4-Methoxyphenylacetic Acid is a compound that was found from microbial phenolic metabolites in human feces after the consumption of gin, red wine and dealcholized red wine.
Description
4-METHOXYPHENYLACETIC ACID(104-01-8) is used in organic synthesis as well as pharmaceutical industry, especially used as an intermediate of puerarin. It can also be used as potential plasma biomarkers for early detection of non-small cell lung cancer. It is also used in drug industry as an intermediate to make Dextromethorphan.
Reference
Chen, Yan Ping, Y. M. Chen, and M. Tang. "Solubilities of cinnamic acid, phenoxyacetic acid and 4-methoxyphenylacetic acid in supercritical carbon dioxide." Fluid Phase Equilibria 275.1(2008):33-38.

Safety Data

Hazard Codes 
Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany 
3

RTECS 
AI8960000

Hazard Note 
Irritant
HS Code 
29189090
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.

Raw materials And Preparation Products

Hazard Information

General Description
Pale yellow or off white colored flakes. Severely irritates skin and eyes. May be toxic by ingestion.
Reactivity Profile
Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in 4-METHOXYPHENYLACETIC ACID to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions.
Health Hazard
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Fire Hazard
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

Material Safety Data Sheet(MSDS)

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