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Chemistry

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Our diverse selection of products are designed to enhance your work at every level. From refining asymmetric synthesis to optimizing reaction conditions with advanced catalysts, because we believe in meeting every possibility with precision.

Sub Categories
Asymmetric Synthesis 1134
Building Blocks 8689
Catalysis & Inorganic Chemistry 1075
Chemical Biology 180
Inorganic Compounds 868
Ionic Liquids 183
Organometallic Reagents 861
Stains & Dyes 304

  • 1-Methoxy-3-(trimethylsilyloxy)-1,3-butadiene

    Purity:
    ≥ 95% (GC)
    Synonym:
    Danishefsky's diene
    Catalog Number:
    40549
    CAS Number:
    59414-23-2
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00008498
    Molecular Formula:
    C8H16O2Si
    Molecular Weight:
    172.3
    Specification Sheet SDS

  • 1-(tert-Butyldimethylsilyloxy)-1-methoxyethene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    tert-Butyl[(1-methoxyvinyl)oxy]dimethylsilane
    Hazmat
    Catalog Number:
    40547
    CAS Number:
    77086-38-5
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD02683524
    Molecular Formula:
    C9H20O2Si
    Molecular Weight:
    188.34
    Specification Sheet SDS

  • (1E)-1-tert-Butoxy-1-(trimethylsilyloxy)propene

    Purity:
    ≥ 92% (GC)
    Catalog Number:
    40546
    CAS Number:
    72658-10-7
    Purity Limit:
    ≥ 92% (GC)
    MDL NO:
    MFCD11114561
    Molecular Formula:
    C10H22O2Si
    Molecular Weight:
    202.37
    Specification Sheet SDS

  • Trimethylsilylketene ethyl trimethylsilyl acetal (mixture of isomers)

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    40544
    CAS Number:
    65946-56-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD11975437
    Molecular Formula:
    C10H24O2Si2
    Molecular Weight:
    232.47
    Specification Sheet SDS

  • 1,7-Dichloro-1,1,3,3,5,5,7,7-octamethyltetrasiloxane

    Hazmat
    Purity:
    ≥ 92% (GC)
    Hazmat
    Catalog Number:
    40542
    CAS Number:
    2474-02-4
    Purity Limit:
    ≥ 92% (GC)
    MDL NO:
    MFCD00045148
    Molecular Formula:
    C8H24Cl2O3Si4
    Molecular Weight:
    351.52
    Specification Sheet SDS

  • Hexaphenylcyclotrisiloxane

    Purity:
    ≥ 97% (GC)
    Catalog Number:
    40540
    CAS Number:
    512-63-0
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00023110
    Molecular Formula:
    C36H30O3Si3
    Molecular Weight:
    594.89
    Specification Sheet SDS

  • 1,3-Dimethoxy-1,1,3,3-tetraphenyldisiloxane

    Purity:
    ≥ 90% (GC)
    Catalog Number:
    40541
    CAS Number:
    94593-08-5
    Purity Limit:
    ≥ 90% (GC)
    MDL NO:
    MFCD05663939
    Molecular Formula:
    C26H26O3Si2
    Molecular Weight:
    442.66
    Specification Sheet SDS

  • Hexamethoxydisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    Hexamethyl diorthosilicate
    Catalog Number:
    40513
    CAS Number:
    4371-91-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD02912820
    Molecular Formula:
    C6H18O7Si2
    Molecular Weight:
    258.37
    Specification Sheet SDS

  • Octaphenylcyclotetrasiloxane

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    40536
    CAS Number:
    546-56-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00003268
    Molecular Formula:
    C48H40O4Si4
    Molecular Weight:
    793.18
    Specification Sheet SDS

  • 2-Trimethylsilyloxy-1,3-butadiene

    Purity:
    ≥ 99% (GC)
    Synonym:
    2-(Trimethylsiloxy)-1,3-butadiene
    Catalog Number:
    40543
    CAS Number:
    38053-91-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009852
    Molecular Formula:
    C7H14OSi
    Molecular Weight:
    142.27
    Specification Sheet SDS

  • Hexamethyldisiloxane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    HMDSO
    Hazmat
    Catalog Number:
    40538
    CAS Number:
    107-46-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008265
    Molecular Formula:
    C6H18OSi2
    Molecular Weight:
    162.38
    Specification Sheet SDS

  • Hexamethylcyclotrisiloxane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Cyclic (D3) permethylsiloxane
    Hazmat
    Catalog Number:
    40537
    CAS Number:
    541-05-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00005943
    Molecular Formula:
    C6H18O3Si3
    Molecular Weight:
    222.46
    Specification Sheet SDS

  • Octamethyltrisiloxane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Dimethylbis(trimethylsilyloxy)silane
    Hazmat
    Catalog Number:
    40533
    CAS Number:
    107-51-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008264
    Molecular Formula:
    C8H24O2Si3
    Molecular Weight:
    236.53
    Specification Sheet SDS

  • 1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane

    Purity:
    ≥ 97% (GC)
    Synonym:
    Methyltris(trimethylsiloxy)silane
    Catalog Number:
    40539
    CAS Number:
    17928-28-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00040007
    Molecular Formula:
    C10H30O3Si4
    Molecular Weight:
    310.69
    Specification Sheet SDS

  • Decamethyltetrasiloxane

    Purity:
    ≥ 97% (GC)
    Synonym:
    Dichloromethyltetramethyldisiloxane
    Catalog Number:
    40517
    CAS Number:
    141-62-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00008263
    Molecular Formula:
    C10H30O3Si4
    Molecular Weight:
    310.69
    Specification Sheet SDS

  • Triethylsilanol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Hydroxytriethylsilane
    Hazmat
    Catalog Number:
    40508
    CAS Number:
    597-52-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00042640
    Molecular Formula:
    C6H16OSi
    Molecular Weight:
    132.28
    Specification Sheet SDS

  • Octadecamethylcyclononasiloxane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    40532
    CAS Number:
    556-71-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD30533789
    Molecular Formula:
    C18H54O9Si9
    Molecular Weight:
    667.39
    Specification Sheet SDS

  • Hexadecamethylcyclooctasiloxane

    Purity:
    ≥ 96% (GC)
    Synonym:
    2-Isopropyl-4-phenyl-1,3-dioxolane
    Catalog Number:
    40526
    CAS Number:
    556-68-3
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD30725759
    Molecular Formula:
    C16H48O8Si8
    Molecular Weight:
    593.23
    Specification Sheet SDS

  • 2,4,6-Trimethyl-2,4,6-trivinylcyclotrisiloxane

    Purity:
    ≥ 96% (GC)
    Synonym:
    2,4,6-Trivinyl-2,4,6-trimethylcyclotrisiloxane
    Catalog Number:
    40534
    CAS Number:
    3901-77-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00023111
    Molecular Formula:
    C9H18O3Si3
    Molecular Weight:
    258.5
    Specification Sheet SDS

  • 1,1,3,3,5,5,7,7,9,9,11,11-Dodecamethylhexasiloxane

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    40527
    CAS Number:
    995-82-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00513634
    Molecular Formula:
    C12H38O5Si6
    Molecular Weight:
    430.94
    Specification Sheet SDS

  • Tetradecamethylhexasiloxane

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    40518
    CAS Number:
    107-52-8
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD08275354
    Molecular Formula:
    C14H42O5Si6
    Molecular Weight:
    459.0
    Specification Sheet SDS

  • Dodecamethylpentasiloxane

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    40528
    CAS Number:
    141-63-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039795
    Molecular Formula:
    C12H36O4Si5
    Molecular Weight:
    384.84
    Specification Sheet SDS

  • 1,5-Dichloro-1,1,3,3,5,5-hexamethyltrisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,5-Dichlorohexamethyltrisiloxane
    Catalog Number:
    40522
    CAS Number:
    3582-71-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00045147
    Molecular Formula:
    C6H18Cl2O2Si3
    Molecular Weight:
    277.36
    Specification Sheet SDS

  • 1,1,3,3,5,5,7,7,9,9,11,11,13,13-Tetradecamethylheptasiloxane

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    40521
    CAS Number:
    19095-23-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD30721597
    Molecular Formula:
    C14H44O6Si7
    Molecular Weight:
    505.1
    Specification Sheet SDS

  • Tetradecamethylcycloheptasiloxane

    Purity:
    ≥ 95% (GC)
    Catalog Number:
    40531
    CAS Number:
    107-50-6
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD30534308
    Molecular Formula:
    C14H42O7Si7
    Molecular Weight:
    519.08
    Specification Sheet SDS

  • 1,3-Dimethyl-1,3-diphenyl-1,3-divinyldisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Divinyl-1,3-diphenyl-1,3-dimethyldisiloxane
    Catalog Number:
    40520
    CAS Number:
    2627-97-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00053860
    Molecular Formula:
    C18H22OSi2
    Molecular Weight:
    310.54
    Specification Sheet SDS

  • 1,3-Bis(chloromethyl)tetramethyldisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Bis(chloromethyl)-1,1,3,3-tetramethyldisiloxane
    Catalog Number:
    40529
    CAS Number:
    2362-10-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000877
    Molecular Formula:
    C6H16Cl2OSi2
    Molecular Weight:
    231.26
    Specification Sheet SDS

  • 1,3-Bis(4-hydroxybutyl)tetramethyldisiloxane

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    40525
    CAS Number:
    5931-17-9
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00039554
    Molecular Formula:
    C12H30O3Si2
    Molecular Weight:
    278.54
    Specification Sheet SDS

  • tert-Butyldimethylsilanol

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Butyldimethylsilanol
    Hazmat
    Catalog Number:
    40511
    CAS Number:
    18173-64-3
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00010673
    Molecular Formula:
    C6H16OSi
    Molecular Weight:
    132.28
    Specification Sheet SDS

  • 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane
    Catalog Number:
    40523
    CAS Number:
    56-33-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00039793
    Molecular Formula:
    C16H22OSi2
    Molecular Weight:
    286.52
    Specification Sheet SDS

  • 1,3,5-Tris(3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane
    Catalog Number:
    40519
    CAS Number:
    374-14-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00054667
    Molecular Formula:
    C12H21F9O3Si3
    Molecular Weight:
    468.54
    Specification Sheet SDS

  • 3-[[Dimethyl(vinyl)silyl]oxy]-1,1,5,5-tetramethyl-3-phenyl-1,5-divinyltrisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    Tris[dimethyl(vinyl)siloxy]phenylsilane
    Catalog Number:
    40516
    CAS Number:
    60111-47-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00156495
    Molecular Formula:
    C18H32O3Si4
    Molecular Weight:
    408.79
    Specification Sheet SDS

  • Benzyldimethylsilane

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Dimethyl(phenylmethyl)silane
    Hazmat
    Catalog Number:
    40501
    CAS Number:
    1631-70-5
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00039792
    Molecular Formula:
    C9H14Si
    Molecular Weight:
    150.3
    Specification Sheet SDS

  • 1,3-Bis[2-(7-oxabicyclo[4.1.0]heptan-3-yl)ethyl]-1,1,3,3-tetramethyldisiloxane

    Purity:
    ≥ 95% (GC)
    Synonym:
    1,1,3,3-Tetramethyl-1,3-bis[2-(7-oxabicyclo[4.1.0]hept-3-yl)ethyl]disiloxane
    Catalog Number:
    40524
    CAS Number:
    18724-32-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03262840
    Molecular Formula:
    C20H38O3Si2
    Molecular Weight:
    382.69
    Specification Sheet SDS

  • Triphenylsilanol

    Purity:
    ≥ 98% (GC)
    Synonym:
    Hydroxytriphenylsilane
    Catalog Number:
    40506
    CAS Number:
    791-31-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002102
    Molecular Formula:
    C18H16OSi
    Molecular Weight:
    276.41
    Specification Sheet SDS

  • 1,1,3,3-Tetramethyldisiloxane

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Bis(dimethylsilyl) ether
    Hazmat
    Catalog Number:
    40515
    CAS Number:
    3277-26-7
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00008256
    Molecular Formula:
    C4H14OSi2
    Molecular Weight:
    134.33
    Specification Sheet SDS

  • 2-(Diisopropylsilyl)pyridine

    Purity:
    ≥ 95% (GC)
    Synonym:
    Diisopropyl(2-pyridyl)silane
    Catalog Number:
    40505
    CAS Number:
    1232692-92-0
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD22200515
    Molecular Formula:
    C11H19NSi
    Molecular Weight:
    193.37
    Specification Sheet SDS

  • 1,2-Bis(dimethylsilyl)benzene

    Purity:
    ≥ 94% (GC)
    Synonym:
    1,2-Phenylenebis(dimethylsilane)
    Catalog Number:
    40498
    CAS Number:
    17985-72-7
    Purity Limit:
    ≥ 94% (GC)
    MDL NO:
    MFCD00142462
    Molecular Formula:
    C10H18Si2
    Molecular Weight:
    194.42
    Specification Sheet SDS

  • 3-[(Dimethylsilyl)oxy]-1,1,3,5,5-pentamethyltrisiloxane

    Purity:
    ≥ 96% (GC)
    Synonym:
    Methyltris(dimethylsiloxy)silane
    Catalog Number:
    40494
    CAS Number:
    17082-46-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00054789
    Molecular Formula:
    C7H24O3Si4
    Molecular Weight:
    268.61
    Specification Sheet SDS

  • Hexaphenyldisiloxane

    Purity:
    ≥ 96% (GC)
    Synonym:
    1,1,1,3,3,3-Hexaphenyldisiloxane
    Catalog Number:
    40512
    CAS Number:
    1829-40-9
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00014068
    Molecular Formula:
    C36H30OSi2
    Molecular Weight:
    534.81
    Specification Sheet SDS

  • 2-[(Trimethylsilyl)ethynyl]pyridine

    Purity:
    ≥ 98% (GC)
    Synonym:
    (2-Pyridylethynyl)trimethylsilane
    Catalog Number:
    40476
    CAS Number:
    86521-05-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00066349
    Molecular Formula:
    C10H13NSi
    Molecular Weight:
    175.31
    Specification Sheet SDS

  • Diphenylsilanediol

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Dihydroxydiphenylsilane
    Hazmat
    Catalog Number:
    40509
    CAS Number:
    947-42-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00002101
    Molecular Formula:
    C12H12O2Si
    Molecular Weight:
    216.31
    Specification Sheet SDS

  • 2,4,6,8-Tetramethylcyclotetrasiloxane

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1,3,5,7-Tetramethylcyclotetrasiloxane
    Hazmat
    Catalog Number:
    40502
    CAS Number:
    2370-88-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00039567
    Molecular Formula:
    C4H16O4Si4
    Molecular Weight:
    240.51
    Specification Sheet SDS

  • 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

    Purity:
    ≥ 95% (GC)
    Synonym:
    3H,5H-Octamethyltetrasiloxane
    Catalog Number:
    40497
    CAS Number:
    16066-09-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00053664
    Molecular Formula:
    C8H26O3Si4
    Molecular Weight:
    282.63
    Specification Sheet SDS

  • Octaphenyloctasilsesquioxane

    Purity:
    ≥ 98%
    Synonym:
    1,3,5,7,9,11,13,15-Octaphenylpentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane
    Catalog Number:
    40514
    CAS Number:
    5256-79-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00308870
    Molecular Formula:
    C48H40O12Si8
    Molecular Weight:
    1033.52
    Specification Sheet SDS

  • Octakis(dimethylsilyloxy)octasilsesquioxane

    Synonym:
    1,3,5,7,9,11,13,15-Octakis(dimethylsilyloxy)pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane
    Catalog Number:
    40496
    CAS Number:
    125756-69-6
    MDL NO:
    MFCD03701363
    Molecular Formula:
    C16H56O20Si16
    Molecular Weight:
    1017.96
    Specification Sheet SDS

  • Diethyl(isopropyl)silanol

    Purity:
    ≥ 95% (GC)
    Synonym:
    Diethyl(hydroxy)isopropylsilane
    Catalog Number:
    40510
    CAS Number:
    1158830-31-9
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD03093625
    Molecular Formula:
    C7H18OSi
    Molecular Weight:
    146.31
    Specification Sheet SDS

  • Tris(trimethylsilyl)silane [Reducing reagent]

    Hazmat
    Purity:
    ≥ 96.5% (GC)
    Synonym:
    1,1,1,3,3,3-Hexamethyl-2-(trimethylsilyl)trisilane
    Hazmat
    Catalog Number:
    40504
    CAS Number:
    1873-77-4
    Purity Limit:
    ≥ 96.5% (GC)
    MDL NO:
    MFCD00077893
    Molecular Formula:
    C9H28Si4
    Molecular Weight:
    248.66
    Specification Sheet SDS

  • 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane

    Purity:
    ≥ 98% (GC)
    Synonym:
    Bis(dimethylsiloxy)diphenylsilane
    Catalog Number:
    40493
    CAS Number:
    17875-55-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00411646
    Molecular Formula:
    C16H24O2Si3
    Molecular Weight:
    332.62
    Specification Sheet SDS

  • Dimethylphenylsilanol

    Purity:
    ≥ 96% (GC)
    Catalog Number:
    40507
    CAS Number:
    5272-18-4
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD08276879
    Molecular Formula:
    C8H12OSi
    Molecular Weight:
    152.27
    Specification Sheet SDS
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