MilliporeSigma
All Photos(1)

Documents

255270

Sigma-Aldrich

o-Cymene

98%

Sign Into View Organizational & Contract Pricing

Synonym(s):
1-Isopropyl-2-methylbenzene, 2-Isopropyltoluene
Linear Formula:
CH3C6H4CH(CH3)2
CAS Number:
Molecular Weight:
134.22
Beilstein:
1850838
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

3.6 mmHg ( 37.7 °C)

Quality Level

Assay

98%

form

liquid

refractive index

n20/D 1.499 (lit.)

bp

178 °C (lit.)

mp

−72-−71 °C (lit.)

solubility

organic solvents: miscible(lit.)
water: insoluble(lit.)

density

0.877 g/mL at 25 °C (lit.)

SMILES string

CC(C)c1ccccc1C

InChI

1S/C10H14/c1-8(2)10-7-5-4-6-9(10)3/h4-8H,1-3H3

InChI key

WWRCMNKATXZARA-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
95662XX0020W235601
o-Cymene 98%

Sigma-Aldrich

255270

o-Cymene

o-Xylene puriss. p.a., ≥99.0% (GC)

Sigma-Aldrich

95662

o-Xylene

o-Xylene Reagent

Supelco

XX0020

o-Xylene

p-Cymene ≥97%, FG

Sigma-Aldrich

W235601

p-Cymene

form

liquid

form

liquid

form

liquid

form

-

refractive index

n20/D 1.499 (lit.)

refractive index

n20/D 1.505 (lit.)

refractive index

n20/D 1.505 (lit.)

refractive index

n20/D 1.490 (lit.)

bp

178 °C (lit.)

bp

143-145 °C (lit.)

bp

143-145 °C (lit.)

bp

176-178 °C (lit.)

mp

−72-−71 °C (lit.)

mp

-26--23 °C (lit.)

mp

-26--23 °C (lit.)

mp

-

solubility

organic solvents: miscible(lit.), water: insoluble(lit.)

solubility

water: partially soluble 0.1705 g/L at 25 °C

solubility

0.18 g/L

solubility

-

General description

Intact and direct dealkylating nitration of o-cymene with nitronium tetronium tetrafluoroborate has been reported. The kinetics of isomerization of cymene has been studied.

accessory

Product No.
Description
Pricing

Pictograms

Flame

Signal Word

Warning

Hazard Statements

Hazard Classifications

Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

122.0 °F - closed cup

Flash Point(C)

50 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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

Customers Also Viewed

Slide 1 of 7

1 of 7

Methylstyrene 60% meta, 40% para and 1% ortho, 99%, contains ~50 ppm 4-tert-butylcatechol as inhibitor

Sigma-Aldrich

522864

Methylstyrene

(−)-trans-Caryophyllene analytical standard

Supelco

75541

(−)-trans-Caryophyllene

Camphene analytical standard

Supelco

442505

Camphene

2-Methylbenzofuran 96%

Sigma-Aldrich

224340

2-Methylbenzofuran

Ocimene mixture of isomers, stabilized, ≥90%

Sigma-Aldrich

W353901

Ocimene

Piperine analytical standard

Supelco

75047

Piperine

β-Cyclocitral analytical standard

Supelco

16976

β-Cyclocitral

Peter K Njuguna et al.
Journal of agricultural and food chemistry, 66(32), 8504-8513 (2018-07-26)
The main hosts of the melon fly Zeugodacus cucurbitate are cultivated and wild cucurbitaceous plants. In eastern Africa, the melon fly is a major pest of the Solanaceae plant Solanum lycopersicum (tomato). We hypothesized that shared species-specific volatiles may play
Alexandros Patsilinakos et al.
Molecules (Basel, Switzerland), 24(5) (2019-03-06)
Biofilm resistance to antimicrobials is a complex phenomenon, driven not only by genetic mutation induced resistance, but also by means of increased microbial cell density that supports horizontal gene transfer across cells. The prevention of biofilm formation and the treatment
Huijuan Zhang et al.
Food chemistry, 289, 340-350 (2019-04-09)
Dried tangerine peel (DTP) is an excellent plant resource that has been used as ingredients for both food and traditional Chinese medicine. In this study, the efficiency of four different dietary preparation methods (i.e. soaking, boiling, steaming, and ethanol extraction)
[Experimental data to establish the MPEL of 1-methyl-2-isopropyl-benzine in the air of a work area].
V A Stel'makh et al.
Gigiena truda i professional'nye zabolevaniia, (3)(3), 49-50 (1985-03-01)
Kinetics of Three-compound Equilibrations. I. The Isomerization of Cymene1.
Allen RH, et al.
Journal of the American Chemical Society, 81(1), 42-46 (1959)

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