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16371 Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene)

CAS Number
1330-20-7
Synonyms

Stock No. Size Price ($) Quantity Availability
16371-AP 500ml 23.20
16371-K2 1L 30.00
16371-K7 4L 78.10
16371-M1 *4x1L 90.00
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Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene)

MDL
MFCD00077264
EINECS
215-535-7

Chemical Properties

Formula
(CH3)2C6H4
Formula Weight
106.17
Form
Liquid
Melting point
<-25°
Boiling Point
137-144°
Flash Point
29°(84°F)
Density
0.860
Refractive Index
1.4970
Storage & Sensitivity
Ambient temperatures.
Solubility
Miscible with aromatic hydrocarbons. Immiscible with water.

Grade Specifications

Maximum level of impurities: Color (APHA) 10, Evaporation residue 0.002%, Substances darkened by sulfuric acid P.T., Sulfur compounds (as S) 0.003%, H2O 0.05%

Applications

Xylene is used as a solvent in pharmaceutical, printing, rubber, and leather industries. It is an important component of ink, rubber and adhesives as well as in thinning paints and varnishes. It is used in the laboratory to make baths with dry ice to cool reaction vessels, and as a solvent to remove synthetic immersion oil from the microscope objective in light microscopy. It finds application as a short-term hydrophobic clearing agent of tissue samples by histologists. It is a precursor for the preparation of xylene dichlorides, xylyl bromide, terephthalic acid and dimethyl terephthalate.

Notes

Contains a mixture of the ortho, meta, and para isomers of xylene. May also contain ethylbenzene.Incompatible with strong oxidizing agents.

Literature References

Lim, D.; Jang, J.; Kim, T.; Shim, S. E.; Baeck, S. H. Selective hydrodealkylation of C 9+ aromatics to benzene, toluene, and xylenes (BTX) over a Pt/H-ZSM-5 catalyst. J. Mol. Catal. A: Chem. 2015, 407, 147-151.

Al-Khattaf, S. S.; Ali, S. A.; Osman, M. S.; Aitani, A. M. Influence of toluene-tetramethylbenzene transalkylation on heavy aromatics conversion to xylenes. J. Ind. Eng. Chem. 2015, 21, 1077-1088.

GHS Hazard and Precautionary Statements

Hazard Statements: H226-H304-H312-H315-H319-H332-H335-H373

Flammable liquid and vapour. May be fatal if swallowed and enters airways. Harmful in contact with skin. Causes skin irritation. Causes serious eye irritation. Harmful if inhaled. May cause respiratory irritation. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P260-P264b-P271-P280-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P312-P314-P331-P332+P313-P337+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Get medical advice/attention if you feel unwell. Do NOT induce vomiting. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,10081
Beilstein
1901563
Hazard Class
3
Packing Group
III
Harmonized Tariff Code
2902.44
TSCA
Yes
RTECS
ZE2100000

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