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296325

Sigma-Aldrich

m-Xylene

anhydrous, ≥99%

Synonyme(s) :

1,3-Dimethylbenzene

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About This Item

Formule linéaire :
C6H4(CH3)2
Numéro CAS:
108-38-3
Poids moléculaire :
106.17
Beilstein:
605441
Numéro CE :
203-576-3
Numéro MDL:
MFCD00008536
Code UNSPSC :
12352002
ID de substance PubChem :
57648390
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Qualité

anhydrous

Niveau de qualité

100

Densité de vapeur

3.7 (vs air)

Pression de vapeur

16 mmHg ( 37.7 °C)

Essai

≥99%

Forme

liquid

Température d'inflammation spontanée

982 °F

Limite d'explosivité

7 %

Impuretés

<0.002% water
<0.005% water (100 mL pkg)

Résidus d'évap.

<0.0003%

Indice de réfraction

n20/D 1.497 (lit.)

pb

138-139 °C (lit.)

Pf

−48 °C (lit.)

Densité

0.868 g/mL at 25 °C (lit.)

Chaîne SMILES 

Cc1cccc(C)c1

InChI

1S/C8H10/c1-7-4-3-5-8(2)6-7/h3-6H,1-2H3

Clé InChI

IVSZLXZYQVIEFR-UHFFFAOYSA-N

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Catégories apparentées

Application

m-Xylene may be used in the synthesis of 2,4-dimethylbenzophenone via Friedel–Craft acylation with benzoyl chloride over iron-modified tungstophosphoric acid supported on titania.[1] It may also undergo chloromethylation in the presence of organic acids under organic-aqueous biphasic conditions to form a mixture of chloromethyl-2,4-dimethylbenzene and 1,3-bis(chloromethyl)-4,6-dimethylbenzene.[2]

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

5.89592

m-Xylene

Pictogrammes

FlameHealth hazardExclamation mark
GHS02,GHS08,GHS07

Mention d'avertissement

Danger

Classification des risques

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

80.6 °F - closed cup

Point d'éclair (°C)

27 °C - closed cup

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
SHBR9430
STBL0685
SHBR3629
SHBQ9117
SHBR3176

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Iron (III)-Modified Tungstophosphoric Acid Supported on Titania Catalyst: Synthesis, Characterization, and Friedel?Craft Acylation of m-Xylene.
Mu M, et al.
Industrial & Engineering Chemistry Research, 54(36), 8893-8899 (2015)
Strong organic acids as efficient catalysts for the chloromethylation of m-xylene: the synthesis of 1, 3-bis (chloromethyl)-4, 6-dimethylbenzene.
Kishida T, et al.
Industrial & Engineering Chemistry Research, 48(4), 1831-1839 (2009)
Rafael Silva-Rocha et al.
Environmental microbiology, 13(9), 2389-2402 (2011-03-18)
The regulatory and metabolic networks that rule biodegradation of pollutants by environmental bacteria are wired to the rest of the cellular physiology through both transcriptional factors and intermediary signal molecules. In this review, we examine some formalisms for describing catalytic/regulatory
Fei Yu et al.
Journal of hazardous materials, 192(3), 1370-1379 (2011-08-13)
The purified and oxidized multi-walled carbon nanotubes (MWCNTs) with different oxygen contents are employed as adsorbents to study their physicochemical properties and adsorption behaviors of toluene, ethylbenzene and m-xylene (TEX) in aqueous solutions. The results demonstrate that adsorption capacity is
Sulak Sumitsawan et al.
Environmental science & technology, 45(16), 6970-6977 (2011-07-19)
Titanium dioxide (TiO(2)) is a preferred catalyst for photocatalytic oxidation of many air pollutants. In an effort to enhance its photocatalytic activity, TiO(2) was modified by pulsed plasma treatment. In this work, TiO(2) nanoparticles, coated on a glass plate, were
Afficher tous les articles scientifiques apparentés

Questions

1–3 of 3 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Helpful?

  3. What amount can I buy of m-xylene "296325"? I would like to buy less than 100 ml.

    1 answer

    1. Unfortunately, this product is not currently offered in package sizes of less than 100mL. While not anhydrous, there are two analytical standards that are available in smaller sizes. Please see the links below to review these product options:

      PHR1313-1G
      https://www.sigmaaldrich.com/product/sial/phr1313

      95670-5ML
      https://www.sigmaaldrich.com/US/en/product/sial/95670

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