p-Xylene, 99%, Thermo Scientific Chemicals

Description

p-Xylene is used as a precursor in the production of benzoic, isophthalic, tetraphillic acids and dimethyle esters, which are used in the manufacture of polyester. It acts as an intermediate in plastic and rubber products.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
p-Xylene is used as a precursor in the production of benzoic, isophthalic, tetraphillic acids and dimethyle esters, which are used in the manufacture of polyester. It acts as an intermediate in plastic and rubber products.

Solubility
Miscible with alcohol, ether, acetone, benzene and chloroform. Immiscible with water.

Notes
Incompatible with strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 106-42-3
• Molecular Formula: C8H10
• Molecular Weight (g/mol): 106.17
• MDL Number: MFCD00008556
• InChI Key: URLKBWYHVLBVBO-UHFFFAOYSA-N
• Synonym: p-xylene, para-xylene, 1,4-dimethylbenzene, p-methyltoluene, p-dimethylbenzene, p-xylol, benzene, 1,4-dimethyl, 4-xylene, chromar, 4-methyltoluene
• PubChem CID: 7809
• ChEBI: CHEBI:27417
• IUPAC Name: 1,4-xylene
• SMILES: CC1=CC=C(C)C=C1

• Melting Point: 12°C to 13°C
• Density: 0.866
• Boiling Point: 137°C to 138°C
• Quantity: 100 mL
• Flash Point: 27°C (80°F)
• Odor: Aromatic
• Refractive Index: 1.495
• UN Number: UN1307
• Beilstein: 1901563
• Merck Index: 14,10081
• Solubility Information: Miscible with alcohol,ether,acetone,benzene and chloroform. Immiscible with water.
• Formula Weight: 106.17
• Percent Purity: 99%
• Chemical Name or Material: p-Xylene

Safety and Handling

Product Identifier

• p-Xylene

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 4
• LONG-TERM AQUATIC HAZARD Chronic 3
• Aspiration toxicity Category 1
• Serious eye damage/eye irritation Category 2
• Flammable liquid Category 3
• Skin corrosion/irritation Category 2
• Specific target organ toxicity Category 3

Hazard Statement

• H226-Flammable liquid and vapour.
• H304-May be fatal if swallowed and enters airways.
• H312-Harmful in contact with skin.
• H315-Causes skin irritation.
• H319-Causes serious eye irritation.
• H332-Harmful if inhaled.
• H335-May cause respiratory irritation.
• H412-Harmful to aquatic life with long lasting effects.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Supplemental information

• MIXTURE LIST-Contains : p-Xylene

RUO – Research Use Only