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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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2

o-Xylene, 99%, ren

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
3

2-iod-4,6-dimethylanilin, 98 %, Thermo Scientific Chemicals

CAS: 4102-54-9 Molekylær formel: C8H10IN Molekylvægt (g/mol): 247.079 MDL nummer: MFCD07779005 InChI nøgle: ODPOIEACUVQCBZ-UHFFFAOYSA-N Synonym: 2,4-dimethyl-6-iodoaniline,2-iodo-4,6-di-methylaniline,benzenamine,2-iodo-4,6-dimethyl PubChem CID: 14040290 IUPAC navn: 2-iod-4,6-dimethylanilin SMIL: CC1=CC(=C(C(=C1)I)N)C

MDL nummer MFCD07779005
PubChem CID 14040290
Molekylvægt (g/mol) 247.079
CAS 4102-54-9
Synonym 2,4-dimethyl-6-iodoaniline,2-iodo-4,6-di-methylaniline,benzenamine,2-iodo-4,6-dimethyl
SMIL CC1=CC(=C(C(=C1)I)N)C
IUPAC navn 2-iod-4,6-dimethylanilin
InChI nøgle ODPOIEACUVQCBZ-UHFFFAOYSA-N
Molekylær formel C8H10IN
4

2,5-dimethylanilin, 98+%

CAS: 95-78-3 Molekylær formel: C8H11N Molekylvægt (g/mol): 121.18 MDL nummer: MFCD00007743 InChI nøgle: VOWZNBNDMFLQGM-UHFFFAOYSA-N Synonym: 2,5-xylidine,p-xylidine,2,5-dimethylphenylamine,2-amino-1,4-xylene,2,5-dimethylbenzenamine,benzenamine, 2,5-dimethyl,5-methyl-o-toluidine,6-methyl-m-toluidine,1-amino-2,5-dimethylbenzene,p-dimethylaniline PubChem CID: 7259 ChEBI: CHEBI:518305 IUPAC navn: 2,5-dimethylanilin SMIL: CC1=CC=C(C)C(N)=C1

MDL nummer MFCD00007743
PubChem CID 7259
Molekylvægt (g/mol) 121.18
CAS 95-78-3
ChEBI CHEBI:518305
Synonym 2,5-xylidine,p-xylidine,2,5-dimethylphenylamine,2-amino-1,4-xylene,2,5-dimethylbenzenamine,benzenamine, 2,5-dimethyl,5-methyl-o-toluidine,6-methyl-m-toluidine,1-amino-2,5-dimethylbenzene,p-dimethylaniline
SMIL CC1=CC=C(C)C(N)=C1
IUPAC navn 2,5-dimethylanilin
InChI nøgle VOWZNBNDMFLQGM-UHFFFAOYSA-N
Molekylær formel C8H11N
5

Xylener, 98%, rene, blanding af isomerer

CAS: 1330-20-7 Molekylær formel: C8H10 MDL nummer: MFCD00077264 Synonym: Dimethylbenzene

MDL nummer MFCD00077264
CAS 1330-20-7
Synonym Dimethylbenzene
Molekylær formel C8H10
6

Xylener, 99%, for biokemi og histologi, blandede isomerer med ethylbenzen, AcroSeal™

CAS: 1330-20-7 Molekylær formel: C8H10 Molekylvægt (g/mol): 106.17 InChI nøgle: IVSZLXZYQVIEFR-UHFFFAOYSA-N IUPAC navn: 1,3-xylen SMIL: CC1=CC(C)=CC=C1

Molekylvægt (g/mol) 106.17
CAS 1330-20-7
SMIL CC1=CC(C)=CC=C1
IUPAC navn 1,3-xylen
InChI nøgle IVSZLXZYQVIEFR-UHFFFAOYSA-N
Molekylær formel C8H10
7

2,4-Dimethylphenol, 99%

CAS: 105-67-9 Molekylær formel: C8H10O Molekylvægt (g/mol): 122.17 MDL nummer: MFCD00002233 InChI nøgle: KUFFULVDNCHOFZ-UHFFFAOYSA-N Synonym: 2,4-xylenol,phenol, 2,4-dimethyl,gallex,4,6-dimethylphenol,1-hydroxy-2,4-dimethylbenzene,4-hydroxy-1,3-dimethylbenzene,rcra waste number u101,2,4-dimethyl phenol,caswell no. 907a,lysol brand disinfectant PubChem CID: 7771 ChEBI: CHEBI:34241 IUPAC navn: 2,4-dimethylphenol SMIL: CC1=CC(=C(C=C1)O)C

MDL nummer MFCD00002233
PubChem CID 7771
Molekylvægt (g/mol) 122.17
CAS 105-67-9
ChEBI CHEBI:34241
Synonym 2,4-xylenol,phenol, 2,4-dimethyl,gallex,4,6-dimethylphenol,1-hydroxy-2,4-dimethylbenzene,4-hydroxy-1,3-dimethylbenzene,rcra waste number u101,2,4-dimethyl phenol,caswell no. 907a,lysol brand disinfectant
SMIL CC1=CC(=C(C=C1)O)C
IUPAC navn 2,4-dimethylphenol
InChI nøgle KUFFULVDNCHOFZ-UHFFFAOYSA-N
Molekylær formel C8H10O
8

p-Xylene, 99%, ren

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
9

2,5-Dimethylphenol, 99+%

CAS: 95-87-4 Molekylær formel: C8H10O Molekylvægt (g/mol): 122.17 MDL nummer: MFCD00002237 InChI nøgle: NKTOLZVEWDHZMU-UHFFFAOYSA-N Synonym: 2,5-xylenol,p-xylenol,phenol, 2,5-dimethyl,3,6-dimethylphenol,6-methyl-m-cresol,3,6-xylenol,2,5-dimethyl phenol,2,5-dmp,1,2,5-xylenol,1-hydroxy-2,5-dimethylbenzene PubChem CID: 7267 IUPAC navn: 2,5-dimethylphenol SMIL: CC1=CC=C(C)C(O)=C1

MDL nummer MFCD00002237
PubChem CID 7267
Molekylvægt (g/mol) 122.17
CAS 95-87-4
Synonym 2,5-xylenol,p-xylenol,phenol, 2,5-dimethyl,3,6-dimethylphenol,6-methyl-m-cresol,3,6-xylenol,2,5-dimethyl phenol,2,5-dmp,1,2,5-xylenol,1-hydroxy-2,5-dimethylbenzene
SMIL CC1=CC=C(C)C(O)=C1
IUPAC navn 2,5-dimethylphenol
InChI nøgle NKTOLZVEWDHZMU-UHFFFAOYSA-N
Molekylær formel C8H10O
10

m-Xylene, 99+%, ekstra ren

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
11

Xylener, 98+%, Extra Tør, blandede isomerer, AcroSeal™

CAS: 1330-20-7 Molekylær formel: C8H10 MDL nummer: MFCD00077264

MDL nummer MFCD00077264
CAS 1330-20-7
Molekylær formel C8H10
13

2,5-dichlor-p-xylen, 98%

CAS: 1124-05-6 Molekylær formel: C8H8Cl2 Molekylvægt (g/mol): 175.052 MDL nummer: MFCD00000610 InChI nøgle: UTGSRNVBAFCOEU-UHFFFAOYSA-N Synonym: 2,5-dichloro-p-xylene,2,5-dichloro-1,4-dimethylbenzene,benzene, 1,4-dichloro-2,5-dimethyl,p-xylene, 2,5-dichloro,unii-7p8m86zob2,2,5-dichloro-para-xylene,p-xylene,5-dichloro,p-xylene,2,5-dichloro,acmc-2099eq,dsstox_cid_24780 PubChem CID: 70755 IUPAC navn: 1,4-dichlor-2,5-dimethylbenzen SMIL: CC1=CC(=C(C=C1Cl)C)Cl

MDL nummer MFCD00000610
PubChem CID 70755
Molekylvægt (g/mol) 175.052
CAS 1124-05-6
Synonym 2,5-dichloro-p-xylene,2,5-dichloro-1,4-dimethylbenzene,benzene, 1,4-dichloro-2,5-dimethyl,p-xylene, 2,5-dichloro,unii-7p8m86zob2,2,5-dichloro-para-xylene,p-xylene,5-dichloro,p-xylene,2,5-dichloro,acmc-2099eq,dsstox_cid_24780
SMIL CC1=CC(=C(C=C1Cl)C)Cl
IUPAC navn 1,4-dichlor-2,5-dimethylbenzen
InChI nøgle UTGSRNVBAFCOEU-UHFFFAOYSA-N
Molekylær formel C8H8Cl2
14

2-Bromo-m-xylen, 98%

CAS: 576-22-7 Molekylær formel: C8H9Br Molekylvægt (g/mol): 185.06 MDL nummer: MFCD00000075 InChI nøgle: MYMYVYZLMUEVED-UHFFFAOYSA-N Synonym: 2,6-dimethylbromobenzene,2-bromo-m-xylene,1-bromo-2,6-dimethylbenzene,benzene, 2-bromo-1,3-dimethyl,2,6-dimethyl bromobenzene,m-xylene, 2-bromo,2,6-dimethylphenyl bromide,2-bromo-meta-xylene,2-bromo-1,3-dimethyl-benzene,pubchem3206 PubChem CID: 68471 IUPAC navn: 2-brom-1,3-dimethylbenzen SMIL: CC1=C(C(=CC=C1)C)Br

MDL nummer MFCD00000075
PubChem CID 68471
Molekylvægt (g/mol) 185.06
CAS 576-22-7
Synonym 2,6-dimethylbromobenzene,2-bromo-m-xylene,1-bromo-2,6-dimethylbenzene,benzene, 2-bromo-1,3-dimethyl,2,6-dimethyl bromobenzene,m-xylene, 2-bromo,2,6-dimethylphenyl bromide,2-bromo-meta-xylene,2-bromo-1,3-dimethyl-benzene,pubchem3206
SMIL CC1=C(C(=CC=C1)C)Br
IUPAC navn 2-brom-1,3-dimethylbenzen
InChI nøgle MYMYVYZLMUEVED-UHFFFAOYSA-N
Molekylær formel C8H9Br
15

5-Bromo-m-xylen, 98%

CAS: 556-96-7 Molekylær formel: C8H9Br Molekylvægt (g/mol): 185.06 InChI nøgle: LMFRTSBQRLSJHC-UHFFFAOYSA-N Synonym: 5-bromo-m-xylene,3,5-dimethylbromobenzene,benzene, 1-bromo-3,5-dimethyl,m-xylene, 5-bromo,5-bromo-1,3-xylene,5-bromo-1,3-dimethylbenzene,1-bromo-3,5-dimethyl-benzene,5-bromo-meta-xylene,5-bromo-3,5-dimethylbenzene,1-bromo-3,5-dimethyl benzene PubChem CID: 136357 IUPAC navn: 1-brom-3,5-dimethylbenzen SMIL: CC1=CC(=CC(=C1)Br)C

PubChem CID 136357
Molekylvægt (g/mol) 185.06
CAS 556-96-7
Synonym 5-bromo-m-xylene,3,5-dimethylbromobenzene,benzene, 1-bromo-3,5-dimethyl,m-xylene, 5-bromo,5-bromo-1,3-xylene,5-bromo-1,3-dimethylbenzene,1-bromo-3,5-dimethyl-benzene,5-bromo-meta-xylene,5-bromo-3,5-dimethylbenzene,1-bromo-3,5-dimethyl benzene
SMIL CC1=CC(=CC(=C1)Br)C
IUPAC navn 1-brom-3,5-dimethylbenzen
InChI nøgle LMFRTSBQRLSJHC-UHFFFAOYSA-N
Molekylær formel C8H9Br