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Pss-vinyl-heptaisobutyl substituted. Alternative Names: PSS-VINYL-HEPTAISOBUTYL SUBSTITUTED;1-VINYL-3,5,7,9,11,13,-ISOBUTYLPENTACYCL0-(9.5.1.1(3,9).1(5,15).1(7)OCTASILOXANE;1-vinyl-3,5,7,9,11,13,15-isobutylpentacyclo-[9.5.1.13,9.15,15.17,13]octasiloxane;MonovinylIsobutyl-POSS(R),POSS(R)-Monovinyl-isobutylsubst. CAS No. 444315-18-8. Molecular formula: C30H66O12Si8. Mole weight: 843.527. Purity: 96%. SMILES: CC(C)C[Si]12O[Si]3(O[Si]4(O[Si](O1)(O[Si]5(O[Si](O2)(O[Si](O3)(O[Si](O4)(O5)C=C)CC(C)C)CC(C)C)CC(C)C)CC(C)C)CC(C)C)CC(C)C.
PTAA; Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine], Mw 1,000-10,000 by GPC
PTAA; Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine], Mw 1,000-10,000 by GPC. CAS No. 1333317-99-9.
PTCBI (cis- and trans- mixture)
Alfa Chemistry offers high-purity PTCBI (cis- and trans- mixture) products for various research purposes. Please contact us by email if you do not find the specification you are looking for on this page. Alternative Names: 3,4,9,10-Perylenetetracarboxylic Bisbenzimidazole (cis- and trans- mixture). Anthra[9,1,2-c,d,e:10,5,6-c',d',e'][bis[benzimidazolo[2,1-a]isoquinoline]]-10,21-dione (cis- and trans- mixture). CAS No. 79534-91-1. Molecular formula: C36H16N4O. Mole weight: 536.55. Purity: >98.0%(N).
PTCBI, ≥98%,cis- and trans-mixture
PTCBI, ≥98%,cis- and trans-mixture. CAS No. 79534-91-1.
p-Terphenyl
P-terphenyl appears as white or light-yellow needles or leaves. mp: 212-213° C, bp 376°C. Density: 1.23 g/cm³. Insoluble in water. Soluble in hot benzene. Very soluble in hot ethyl alcohol. Usually shipped as a solid mixture with its isomers o-terphenyl and m-terphenyl that is used as a heat-transfer fluid.;White or light-yellow solid. Alternative Names: 1,4-Diphenylbenzene. CAS No. 92-94-4. Molecular formula: C18H14. Mole weight: 230.3. Purity: 99%. IUPAC Name: 1,4-Diphenylbenzene. SMILES: C1=CC=C(C=C1)C2=CC=C(C=C2)C3=CC=CC=C3. InChI: InChI=1S/C18H14/c1-3-7-15(8-4-1)17-11-13-18(14-12-17)16-9-5-2-6-10-16/h1-14H.
p-Terphenyl (purified by sublimation)
P-terphenyl appears as white or light-yellow needles or leaves. mp: 212-213° C, bp 376°C. Density: 1.23 g/cm³. Insoluble in water. Soluble in hot benzene. Very soluble in hot ethyl alcohol. Usually shipped as a solid mixture with its isomers o-terphenyl and m-terphenyl that is used as a heat-transfer fluid.;White or light-yellow solid. CAS No. 92-94-4. Molecular formula: C18H14. Mole weight: 230.3g/mol. IUPAC Name: 1,4-diphenylbenzene. SMILES: C1=CC=C(C=C1)C2=CC=C(C=C2)C3=CC=CC=C3. InChI: InChI=1S/C18H14/c1-3-7-15(8-4-1)17-11-13-18(14-12-17)16-9-5-2-6-10-16/h1-14H.
PTIO (=2-Phenyl-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxyl) [Stable free radical reagent for the simultaneous determination of NO and NO2 in the atmosphere]
PTIO (=2-Phenyl-4,4,5,5-tetramethylimidazoline-3-oxide-1-oxyl) [Stable free radical reagent for the simultaneous determination of NO and NO2 in the atmosphere]. Alternative Names: 4,5-Dihydro-4,4,5,5-tetramethyl-2-phenyl-1H-imidazol-1-yloxy-1-oxide. CAS No. 18390-00-6. Molecular formula: C13H17N2O2. Mole weight: 233.29. Purity: >98.0%(T). SMILES: CC1(C([N+](=C(N1[O])C2=CC=CC=C2)[O-])(C)C)C. InChI: InChI=1S/C13H17N2O2/c1-12(2)13(3,4)15(17)11(14(12)16)10-8-6-5-7-9-10/h5-9H,1-4H3.
p-Toluic acid (4-methylbenzoic acid) is a substituted benzoic acid with the formula CH3C6H4COOH. It is an intermediate in some industrial processes for the oxidation of p-xylene to terephthalic acid which is used in the manufacture of polyethylene terephthalate. It is a white crystalline solid that is practically insoluble in water, but soluble in acetone. Alternative Names: 4-Methylbenzoic Acid. CAS No. 99-94-5. Molecular formula: C8H8O2. Mole weight: 136.15. Purity: 99%. IUPAC Name: 4-methylbenzoic acid. SMILES: CC1=CC=C(C=C1)C(=O)O. InChI: InChI=1S/C8H8O2/c1-6-2-4-7(5-3-6)8(9)10/h2-5H,1H3,(H,9,10).
p-Tolunitrile
P-tolunitrile is a beige solid at 62.6° F. (NTP, 1992). CAS No. 104-85-8. Molecular formula: C8H7N. Mole weight: 117.15g/mol. IUPAC Name: 4-methylbenzonitrile. SMILES: CC1=CC=C(C=C1)C#N. InChI: InChI=1S/C8H7N/c1-7-2-4-8(6-9)5-3-7/h2-5H,1H3.
Pyrene is a colorless solid, solid and solutions have a slight blue fluorescence. Used in biochemical research. (EPA, 1998);Liquid;Solid;PALE YELLOW OR COLOURLESS SOLID IN VARIOUS FORMS.;Colorless solid, solid and solutions have a slight blue fluorescence. Alternative Names: Benzo[def]phenanthrene. CAS No. 129-00-0. Molecular formula: C16H10. Mole weight: 202.25. IUPAC Name: pyrene. SMILES: C1=CC2=C3C(=C1)C=CC4=CC=CC(=C43)C=C2. InChI: InChI=1S/C16H10/c1-3-11-7-9-13-5-2-6-14-10-8-12(4-1)15(11)16(13)14/h1-10H.
Pyrene, Powder
Pyrene is a colorless solid, solid and solutions have a slight blue fluorescence. Used in biochemical research. (EPA, 1998);Liquid;Solid;PALE YELLOW OR COLOURLESS SOLID IN VARIOUS FORMS.;Colorless solid, solid and solutions have a slight blue fluorescence. CAS No. 129-00-0. Molecular formula: C16H10;C16H10. Mole weight: 202.25g/mol. IUPAC Name: pyrene. SMILES: C1=CC2=C3C(=C1)C=CC4=CC=CC(=C43)C=C2. InChI: InChI=1S/C16H10/c1-3-11-7-9-13-5-2-6-14-10-8-12(4-1)15(11)16(13)14/h1-10H.
Pyrene (purified by sublimation)
Pyrene is a colorless solid, solid and solutions have a slight blue fluorescence. Used in biochemical research. (EPA, 1998);Liquid;Solid;PALE YELLOW OR COLOURLESS SOLID IN VARIOUS FORMS.;Colorless solid, solid and solutions have a slight blue fluorescence. CAS No. 129-00-0. Molecular formula: C16H10;C16H10. Mole weight: 202.25g/mol. IUPAC Name: pyrene. SMILES: C1=CC2=C3C(=C1)C=CC4=CC=CC(=C43)C=C2. InChI: InChI=1S/C16H10/c1-3-11-7-9-13-5-2-6-14-10-8-12(4-1)15(11)16(13)14/h1-10H.
Alfa Chemistry offers high-purity Quinacridone (purified by sublimation) products for various research purposes. Please contact us by email if you do not find the specification you are looking for on this page. Alternative Names: 5,12-Dihydroquino[2,3-b]acridine-7,14-dione (purified by sublimation). Pigment Violet 19 (purified by sublimation). CAS No. 1047-16-1. Molecular formula: C20H12N2O2. Mole weight: 312.33. Purity: >99.0%(N). IUPAC Name: 5,12-dihydroquinolino[2,3-b]acridine-7,14-dione. SMILES: C1=CC=C2C(=C1)C(=O)C3=CC4=C(C=C3N2)C(=O)C5=CC=CC=C5N4. InChI: InChI=1S/C20H12N2O2/c23-19-11-5-1-3-7-15(11)21-17-10-14-18(9-13(17)19)22-16-8-4-2-6-12(16)20(14)24/h1-10H,(H,21,23)(H,22,24).
Carbon black oil appears as a dark colored liquid with a petroleum-like odor. Less dense than water and insoluble in water. Vapors heavier than air.;Carbon, activated is a black grains that have been treated to improve absorptive ability. May heat spontaneously if not properly cooled after manufacture.;Carbon, animal or vegetable origin appears as a black powder or granular mixed with a tar or starch and water binder pressed into regular lumps or briquettes. Heats slowly and ignites in air especially if wet.;Graphite (natural) appears as a mineral form of the element carbon. Hexagonal crystals or thin leaf-like layers. Steel-gray to black with a metallic luster and a greasy feel. An electrical conductor. Used for high-temperature crucibles, as a lubricant and in "lead" pencils.;DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, WetSolid, OtherSolid, Liquid; DryPowder, WetSolid, Liquid; Liquid; OtherSolid; OtherSolid, GasVapor, Liquid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid, Liquid; WetSolid; WetSolid, Liquid;OtherSolid; PelletsLargeCrystals;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid;DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; DryPowder, WetSolid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSol
Resorcinol
Resorcinol is a very white crystalline solid that becomes pink on exposure to light if not completely pure. Burns although ignition is difficult. Density approximately 1.28 g / cm³. Irritating to skin and eyes. Toxic by skin absorption. Used to make plastics and pharmaceuticals.;DryPowder; Liquid; OtherSolid; PelletsLargeCrystals;Solid;WHITE CRYSTALS. TURNS PINK ON EXPOSURE TO AIR AND LIGHT OR ON CONTACT WITH IRON.;White needle-like crystals;White needles, plates, crystals, flakes, or powder with a faint odor. Turns pink on exposure to light if not completely pure.;White needles, plates, crystals, flakes, or powder with a faint odor. [Note: Turns pink on exposure to air or light, or contact with iron.]. CAS No. 108-46-3. Molecular formula: C6H6O2;C6H6O2. Mole weight: 110.11g/mol. IUPAC Name: benzene-1,3-diol. SMILES: C1=CC(=CC(=C1)O)O. InChI: InChI=1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H.
Resorcinol, Crystalline Powder, USP
Resorcinol is a very white crystalline solid that becomes pink on exposure to light if not completely pure. Burns although ignition is difficult. Density approximately 1.28 g / cm³. Irritating to skin and eyes. Toxic by skin absorption. Used to make plastics and pharmaceuticals.;DryPowder; Liquid; OtherSolid; PelletsLargeCrystals;Solid;WHITE CRYSTALS. TURNS PINK ON EXPOSURE TO AIR AND LIGHT OR ON CONTACT WITH IRON.;White needle-like crystals;White needles, plates, crystals, flakes, or powder with a faint odor. Turns pink on exposure to light if not completely pure.;White needles, plates, crystals, flakes, or powder with a faint odor. [Note: Turns pink on exposure to air or light, or contact with iron.]. CAS No. 108-46-3. Molecular formula: C6H6O2;C6H6O2. Mole weight: 110.11g/mol. IUPAC Name: benzene-1,3-diol. SMILES: C1=CC(=CC(=C1)O)O. InChI: InChI=1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H.
Resorcinol, Flake, Technical
Resorcinol is a very white crystalline solid that becomes pink on exposure to light if not completely pure. Burns although ignition is difficult. Density approximately 1.28 g / cm³. Irritating to skin and eyes. Toxic by skin absorption. Used to make plastics and pharmaceuticals.;DryPowder; Liquid; OtherSolid; PelletsLargeCrystals;Solid;WHITE CRYSTALS. TURNS PINK ON EXPOSURE TO AIR AND LIGHT OR ON CONTACT WITH IRON.;White needle-like crystals;White needles, plates, crystals, flakes, or powder with a faint odor. Turns pink on exposure to light if not completely pure.;White needles, plates, crystals, flakes, or powder with a faint odor. [Note: Turns pink on exposure to air or light, or contact with iron.]. CAS No. 108-46-3. Molecular formula: C6H6O2;C6H6O2. Mole weight: 110.11g/mol. IUPAC Name: benzene-1,3-diol. SMILES: C1=CC(=CC(=C1)O)O. InChI: InChI=1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H.
Resorcinol, Reagent
Resorcinol is a very white crystalline solid that becomes pink on exposure to light if not completely pure. Burns although ignition is difficult. Density approximately 1.28 g / cm³. Irritating to skin and eyes. Toxic by skin absorption. Used to make plastics and pharmaceuticals.;DryPowder; Liquid; OtherSolid; PelletsLargeCrystals;Solid;WHITE CRYSTALS. TURNS PINK ON EXPOSURE TO AIR AND LIGHT OR ON CONTACT WITH IRON.;White needle-like crystals;White needles, plates, crystals, flakes, or powder with a faint odor. Turns pink on exposure to light if not completely pure.;White needles, plates, crystals, flakes, or powder with a faint odor. [Note: Turns pink on exposure to air or light, or contact with iron.]. CAS No. 108-46-3. Molecular formula: C6H6O2;C6H6O2. Mole weight: 110.11g/mol. IUPAC Name: benzene-1,3-diol. SMILES: C1=CC(=CC(=C1)O)O. InChI: InChI=1S/C6H6O2/c7-5-2-1-3-6(8)4-5/h1-4,7-8H.
Samarium Strontium Cobalt Oxide (Samarium Strontium Cobaltite, SSC) is used as a cathode material in high performance solid oxide fuel cells and is generally immediately available in most volumes. Alternative Names: Samarium Strontium Cobaltite, SSC, strontium- doped samarium cobaltite, Cobalt samarium strontium oxide , SmSrCo4Ox; 491845-26-2. Molecular formula: SrO ·Sm2O3 ·2Co3O4. Mole weight: 933.93196999999998. Purity: 99%|99.9%|99.99%|99.999%. IUPAC Name: oxocobalt;oxo(oxocobaltiooxy)cobalt;oxo(oxosamariooxy)samarium;oxostrontium. SMILES: O=[Co].O=[Co].O=[Co]O[Co]=O.O=[Co]O[Co]=O.O=[Sr].O=[Sm]O[Sm]=O. InChI: O=[Co].O=[Co].O=[Co]O[Co]=O.O=[Co]O[Co]=O.O=[Sr].O=[Sm]O[Sm]=O.
SAM Formation reagent for biotin terminated monolayer on gold surface
SAM Formation reagent for biotin terminated monolayer on gold surface.
SAM Formation reagent for carboxylic acid terminated monolayer on gold surface
SAM Formation reagent for carboxylic acid terminated monolayer on gold surface.
SBA-15 Molecular Sieve
Transparent to gray, odorless powder. Irritating to the skin and eyes on contact. Inhalation will cause irritation in the respiratory tract. [Note: Amorphous silica is the non-crystalline form of SiO2.];PelletsLargeCrystals, OtherSolid, Liquid;DryPowder; Liquid;DryPowder; OtherSolid;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; Liquid; OtherSolid; PelletsLargeCrystals; WetSolid; WetSolid, Liquid;DryPowder; DryPowder, Liquid; DryPowder, PelletsLargeCrystals; OtherSolid; PelletsLargeCrystals;DryPowder; OtherSolid;DryPowder; DryPowder, Liquid; DryPowder, OtherSolid; DryPowder, OtherSolid, Liquid; DryPowder, PelletsLargeCrystals; DryPowder, PelletsLargeCrystals, Liquid; DryPowder, PelletsLargeCrystals, OtherSolid; DryPowder, PelletsLargeCrystals, WetSolid; DryPowder, WetSolid; Liquid; OtherSolid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid; WetSolid; WetSolid, Liquid;PelletsLargeCrystals;White, fluffy powder or granules. Hygroscopic;Solid;FINE WHITE POWDER.;COLOURLESS OR WHITE CRYSTALS.;COLOURLESS WHITE CRYSTALS.;COLOURLESS OR WHITE CRYSTALS.;Solid;Transparent to gray, odorless powder. [Note: Amorphous silica is the non-crystalline form of SiO2.]. CAS No. 7631-86-9. Molecular formula: (SiO2)n;SiO2;SiO2;SiO2;SiO2;SiO2;O2Si. Mole weight: 60.084g/mol. IUPAC Name: dioxosilane. SMILES: O=[Si]=O. InChI: InChI=1S/O2Si/c1-3-2.