Merck
CN
All Photos(1)

Documents

Safety Information

522449

Sigma-Aldrich

α,4-Dimethylphenylacetic acid

97%

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
2-(4-Methylphenyl)propanoic acid, p-Methylhydratropic acid
Linear Formula:
CH3C6H4CH(CH3)CO2H
CAS Number:
938-94-3
Molecular Weight:
164.20
Beilstein:
2251315
MDL number:
MFCD01111378
PubChem Substance ID:
24874274
NACRES:
NA.22

Assay

97%

mp

37-42 °C (lit.)

SMILES string

CC(C(O)=O)c1ccc(C)cc1

InChI

1S/C10H12O2/c1-7-3-5-9(6-4-7)8(2)10(11)12/h3-6,8H,1-2H3,(H,11,12)

InChI key

KDYOFXPLHVSIHS-UHFFFAOYSA-N

Gene Information

human ... IL8RA(3577)

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

α,4-Dimethylphenylacetic acid is also referred to as 2-(4-methylphenyl)propanoic acid. It is an alkaline decomposition product of azalomycin-B, a macrolide antibiotic produced by Streptomyces hygroscopicus var. azalomyceticus. The reaction of pinonic acid with bromine in water affords 2-(4-methylphenyl)propanoic acid.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Chemical Studies on Azalomycins. III. Alkaline Degradation of Azalomycin-B.
Tukahashi S and 0kki E.
Chemical & Pharmaceutical Bulletin, 15(11), 1726-1732 (1967)
Pinonic Acid-a Promising Chemical Raw Material.
Hedrick G and Lawrence R.
Industrial & Engineering Chemistry Fundamentals, 52(10), 853-856 (1960)
T Matsumoto et al.
Biological & pharmaceutical bulletin, 17(11), 1441-1445 (1994-11-01)
4-Isopropenyltoluene (8) was administered orally to rabbits and the following four optically active metabolites, 2-(p-tolyl)propanoic acid (10), p-(1-carboxyethyl)benzoic acid (11), 2-hydroxy-2-(p-tolyl)propanoic acid (12), and 2-(p-tolyl)-1,2-propanediol (13) were isolated from urine in addition to an optically inactive metabolite, 4-isopropenylbenzoic acid (9).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service