Xylener
Xylener er en hvilken som helst af tre isomerer af dimethylbenzen eller en kombination deraf. Alle er farveløse, brandfarlige væsker sammensat af en central benzenring med to methylgrupper knyttet til substituenter. De kan anvendes som prækursorkemikalier og opløsningsmidler.
Xylener er brandfarlige petrokemiske produkter, der kan fremstilles via katalytisk reformering og kulkarbonisering under koksproduktion og findes i råolie, benzin og flybrændstof. Xylener blev først isoleret fra trætjære og navngivet af den franske kemiker Auguste Cahours.
Hvad er Xylene?
Xylen, mere passende kaldet xylener, refererer til enhver enkelt eller kombination af de tre isomerer af dimethylbenzen. De isomere former betegnes som ortho- (o-), meta- (m-) og para- (p-), en reference til carbonet i benzenringen, hvortil de to methylgrupper er knyttet.
- o-isomer: 1,2-dimethylbenzen
- m-isomer: 1,3-dimethylbenzen
- p-isomer: 1,4-dimethylbenzen
Xylener er farveløse og kan påvises ved lugt i koncentrationer så lave som 0,08 til 3,7 ppm i luft og smages i vand ved 0,53 til 1,8 ppm.
Se analysecertifikatet eller sikkerhedsdatabladet for specifik information om xylendensitet og sikkerhedsrisici.
Hvad bruges xylen til?
Industrielle anvendelser
p-Xylen er en forløber for terephthalsyre og dimethylterephthalat, der bruges til fremstilling af polyethylenterephthalat plastflasker og polyesterbeklædning.
Xylen kan bruges som opløsningsmiddel og er en almindelig komponent i blæk, gummi, klæbemidler og maling- og lakfortyndere. Xylener kan bruges til at rense stål, siliciumskiver og integrerede kredsløb. Medicinske anvendelser omfatter brug som opløsningsmiddel af dentale materialer og ørevoks.
Laboratoriebrug
Xylen kan bruges med tøris i bade, til at fjerne olie fra mikroskopobjektiver og som rengøringsmiddel eller monteringsmateriale i histologiske procedurer.
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Filtrerede søgeresultater
o-xylen, 99%, ekstra tør, AcroSeal™ , Thermo Scientific Chemicals
CAS: 95-47-6 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008519 InChI nøgle: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonym: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC navn: 1,2-xylen SMIL: CC1=CC=CC=C1C
| MDL nummer | MFCD00008519 |
|---|---|
| PubChem CID | 7237 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 95-47-6 |
| ChEBI | CHEBI:28063 |
| Synonym | o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes |
| SMIL | CC1=CC=CC=C1C |
| IUPAC navn | 1,2-xylen |
| InChI nøgle | CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
| MDL nummer | MFCD00077264 |
|---|---|
| CAS | 1330-20-7 |
m-Xylene, 99%
CAS: 108-38-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008536 InChI nøgle: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonym: m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC navn: 1,3-xylen SMIL: CC1=CC(C)=CC=C1
| MDL nummer | MFCD00008536 |
|---|---|
| PubChem CID | 7929 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 108-38-3 |
| ChEBI | CHEBI:28488 |
| Synonym | m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 |
| SMIL | CC1=CC(C)=CC=C1 |
| IUPAC navn | 1,3-xylen |
| InChI nøgle | IVSZLXZYQVIEFR-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
p-xylen, 99 %, til HPLC, Thermo Scientific Chemicals
CAS: 106-42-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008556 InChI nøgle: 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 navn: 1,4-xylen SMIL: CC1=CC=C(C)C=C1
| MDL nummer | MFCD00008556 |
|---|---|
| PubChem CID | 7809 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 106-42-3 |
| ChEBI | CHEBI:27417 |
| Synonym | p-xylene,para-xylene,1,4-dimethylbenzene,p-methyltoluene,p-dimethylbenzene,p-xylol,benzene, 1,4-dimethyl,4-xylene,chromar,4-methyltoluene |
| SMIL | CC1=CC=C(C)C=C1 |
| IUPAC navn | 1,4-xylen |
| InChI nøgle | URLKBWYHVLBVBO-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
| MDL nummer | MFCD00077264 |
|---|---|
| CAS | 1330-20-7 |
| MDL nummer | MFCD00077264 |
|---|---|
| CAS | 1330-20-7 |
Xylener,≥ 98,5%, ACS-reagens, xylener plus ethylbenzen-basis, Honeywell™ Riedel-de Haën™
CAS: 1330-20-7 MDL nummer: MFCD00077264
| MDL nummer | MFCD00077264 |
|---|---|
| CAS | 1330-20-7 |
m-xylen, 99%, ekstra tør, AcroSeal™ , Thermo Scientific Chemicals
CAS: 108-38-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008536 InChI nøgle: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonym: m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC navn: 1,3-xylen SMIL: CC1=CC(C)=CC=C1
| MDL nummer | MFCD00008536 |
|---|---|
| PubChem CID | 7929 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 108-38-3 |
| ChEBI | CHEBI:28488 |
| Synonym | m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 |
| SMIL | CC1=CC(C)=CC=C1 |
| IUPAC navn | 1,3-xylen |
| InChI nøgle | IVSZLXZYQVIEFR-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
4,5-Dimethyl-o-phenylenediamine, 98%
CAS: 3171-45-7 Molekylær formel: C8H12N2 Molekylvægt (g/mol): 136.20 MDL nummer: MFCD00007729 InChI nøgle: XSZYBMMYQCYIPC-UHFFFAOYSA-N Synonym: 4,5-dimethyl-1,2-phenylenediamine,4,5-diamino-o-xylene,4,5-dimethyl-o-phenylenediamine,1,2-benzenediamine, 4,5-dimethyl,1,2-diamino-4,5-dimethylbenzene,4,5-dimethyl-1,2-benzenediamine,4,5-dimethyl-benzene-1,2-diamine,4,5-dimethyl-ortho-phenylenediamine,4,5-dimethylphenylene-1,2-diamine,4,5-dimethyl-o-phenylenediamine monohydrate PubChem CID: 76635 IUPAC navn: 4,5-dimethylbenzen-1,2-diamin SMIL: CC1=CC(N)=C(N)C=C1C
| MDL nummer | MFCD00007729 |
|---|---|
| PubChem CID | 76635 |
| Molekylvægt (g/mol) | 136.20 |
| CAS | 3171-45-7 |
| Synonym | 4,5-dimethyl-1,2-phenylenediamine,4,5-diamino-o-xylene,4,5-dimethyl-o-phenylenediamine,1,2-benzenediamine, 4,5-dimethyl,1,2-diamino-4,5-dimethylbenzene,4,5-dimethyl-1,2-benzenediamine,4,5-dimethyl-benzene-1,2-diamine,4,5-dimethyl-ortho-phenylenediamine,4,5-dimethylphenylene-1,2-diamine,4,5-dimethyl-o-phenylenediamine monohydrate |
| SMIL | CC1=CC(N)=C(N)C=C1C |
| IUPAC navn | 4,5-dimethylbenzen-1,2-diamin |
| InChI nøgle | XSZYBMMYQCYIPC-UHFFFAOYSA-N |
| Molekylær formel | C8H12N2 |
o-xylen, 99%, ren, Thermo Scientific Chemicals
CAS: 95-47-6 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008519 InChI nøgle: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonym: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC navn: 1,2-xylen SMIL: CC1=CC=CC=C1C
| MDL nummer | MFCD00008519 |
|---|---|
| PubChem CID | 7237 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 95-47-6 |
| ChEBI | CHEBI:28063 |
| Synonym | o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes |
| SMIL | CC1=CC=CC=C1C |
| IUPAC navn | 1,2-xylen |
| InChI nøgle | CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
o-Xylene, Reagent Grade, ≥98.0%, Honeywell
CAS: 95-47-6 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008519 InChI nøgle: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonym: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC navn: 1,2-xylen SMIL: CC1=CC=CC=C1C
| MDL nummer | MFCD00008519 |
|---|---|
| PubChem CID | 7237 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 95-47-6 |
| ChEBI | CHEBI:28063 |
| Synonym | o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes |
| SMIL | CC1=CC=CC=C1C |
| IUPAC navn | 1,2-xylen |
| InChI nøgle | CTQNGGLPUBDAKN-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
p-Xylene, 99%, pure
CAS: 106-42-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008556 InChI nøgle: 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 navn: 1,4-xylen SMIL: CC1=CC=C(C)C=C1
| MDL nummer | MFCD00008556 |
|---|---|
| PubChem CID | 7809 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 106-42-3 |
| ChEBI | CHEBI:27417 |
| Synonym | p-xylene,para-xylene,1,4-dimethylbenzene,p-methyltoluene,p-dimethylbenzene,p-xylol,benzene, 1,4-dimethyl,4-xylene,chromar,4-methyltoluene |
| SMIL | CC1=CC=C(C)C=C1 |
| IUPAC navn | 1,4-xylen |
| InChI nøgle | URLKBWYHVLBVBO-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
p-Xylene, 99+%, extra pure
CAS: 106-42-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008556 InChI nøgle: 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 navn: 1,4-xylen SMIL: CC1=CC=C(C)C=C1
| MDL nummer | MFCD00008556 |
|---|---|
| PubChem CID | 7809 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 106-42-3 |
| ChEBI | CHEBI:27417 |
| Synonym | p-xylene,para-xylene,1,4-dimethylbenzene,p-methyltoluene,p-dimethylbenzene,p-xylol,benzene, 1,4-dimethyl,4-xylene,chromar,4-methyltoluene |
| SMIL | CC1=CC=C(C)C=C1 |
| IUPAC navn | 1,4-xylen |
| InChI nøgle | URLKBWYHVLBVBO-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |
m-Xylene, 99+%, extra pure
CAS: 108-38-3 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 MDL nummer: MFCD00008536 InChI nøgle: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonym: m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC navn: 1,3-xylen SMIL: CC1=CC(C)=CC=C1
| MDL nummer | MFCD00008536 |
|---|---|
| PubChem CID | 7929 |
| Molekylvægt (g/mol) | 106.17 |
| CAS | 108-38-3 |
| ChEBI | CHEBI:28488 |
| Synonym | m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 |
| SMIL | CC1=CC(C)=CC=C1 |
| IUPAC navn | 1,3-xylen |
| InChI nøgle | IVSZLXZYQVIEFR-UHFFFAOYSA-N |
| Molekylær formel | C8H10 |