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  • Xylenol Orange tetrasodium salt, ACS

    Alfa Aesar

    Formula: C31H28N2Na4O13S Formula weight: 760.59 CAS Number: 3618-43-7 Harmonized Tariff Code:  2922.50

  • Xylenecyanol FF, dye content 70%

    Alfa Aesar

    Synonym(s): Acid blue 147, C.I. 42135 Formula: C25H27N2NaO6S2 Formula weight: 538.61 CAS Number: 2650-17-1 Harmonized Tariff Code:  3204.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • m-Xylene, 99%

    Alfa Aesar

    Synonym(s): 1,3-Dimethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 99% CAS Number: 108-38-3 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.42 Risk Phrases: 10-20/21-38 Flammable. Harmful by inhalation and in contact with…

  • Xylidyl Blue I sodium salt

    Alfa Aesar

    Synonym(s): Magon sulfate Formula: C25H20N3NaO6S Formula weight: 513.51 CAS Number: 14936-97-1 Harmonized Tariff Code:  2927.00

  • Xylitol, 99%

    Alfa Aesar

    Formula: C5H12O5 Formula weight: 152.15 Purity: 99% CAS Number: 87-99-0 Harmonized Tariff Code:  2940.00

  • p-Xylylene dichloride, 98%

    Alfa Aesar

    Synonym(s): 1,4-Bis(chloromethyl)benzene, alpha,alpha'-Dichloro-p-xylene Formula: C8H8Cl2 Formula weight: 175.06 Purity: 98% CAS Number: 623-25-6 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H330-H314-H318-H302…

  • Xylenol Orange tetrasodium salt, 0.1% w/v aq. soln.

    Alfa Aesar

    Formula: C31H28N2Na4O13S Formula weight: 760.59 CAS Number: 3618-43-7 Harmonized Tariff Code:  2922.50

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

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 Purity: 98.5+% (Assay, isomers plus ethylbenzene) CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour.…

  • Xylenes, mixed, 97+%

    Alfa Aesar

    Synonym(s): Dimethylbenzenes + ethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 97+% CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour.…

  • Xylenol Blue

    Alfa Aesar

    Synonym(s): p-Xylenolsulfonephthalein Formula: C23H22O5S Formula weight: 410.49 CAS Number: 125-31-5 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • m-Xylylene dibromide, 97%

    Alfa Aesar

    Synonym(s): 1,3-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-m-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 626-15-3 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318 Causes…

  • Xenopsin

    Alfa Aesar

    Synonym(s): Glp-Gly-Lys-Arg-Pro-Trp-Ile-Leu Formula: C47H73N13O10 Formula weight: 980.18 CAS Number: 51827-01-1 Harmonized Tariff Code:  2933.99

  • o-Xylylenebis(triphenylphosphonium bromide), 98+%

    Alfa Aesar

    Formula: C44H38Br2P2 Formula weight: 788.55 Purity: 98+% CAS Number: 1519-46-6 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Xanthene-9-carboxamide, 98%

    Alfa Aesar

    Formula: C14H11NO2 Formula weight: 225.25 Purity: 98% CAS Number: 5813-90-1 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • o-Xylene, 99%

    Alfa Aesar

    Synonym(s): 1,2-Dimethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 99% CAS Number: 95-47-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.41 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in…

  • o-Xylylene dichloride, 98%

    Alfa Aesar

    Synonym(s): 1,2-Bis(chloromethyl)benzene, alpha,alpha'-Dichloro-o-xylene Formula: C8H8Cl2 Formula weight: 175.06 Purity: 98% CAS Number: 612-12-4 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H330-H314-H318-H302…

  • p-Xylylenediamine, 97%

    Alfa Aesar

    Synonym(s): 1,4-Bis(aminomethyl)benzene, p-Phenylenebismethylamine Formula: C8H12N2 Formula weight: 136.20 Purity: 97% CAS Number: 539-48-0 UN Number: UN3259 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2921.59 Hazard Statements: H314-H318 Causes severe…

  • Xylazine hydrochloride

    Alfa Aesar

    Formula: C12H16N2S HCl Formula weight: 256.79 CAS Number: 23076-35-9 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H350-H315-H319-H335 Toxic if swallowed. May cause cancer. Causes skin irritation. Causes…

  • Xanthydrol, 98+%

    Alfa Aesar

    Synonym(s): 9-Hydroxyxanthene, 9-Xanthenol Formula: C13H10O2 Formula weight: 198.22 Purity: 98+% CAS Number: 90-46-0 Harmonized Tariff Code:  2932.99

  • o-Xylylene dibromide, 97%

    Alfa Aesar

    Synonym(s): 1,2-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-o-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 91-13-4 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318 Causes severe…

  • o-Xylene, Spectrophotometric Grade, 96% min

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 Purity: 96% min CAS Number: 95-47-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.41 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in contact with skin. Harmful if…

  • o-Xylene-d{10}, 98+% (Isotopic)

    Alfa Aesar

    Formula: C8D10 Formula weight: 116.25 Purity: 98+% (Isotopic) CAS Number: 56004-61-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H311-H226-H332-H315 Toxic in contact with skin. Flammable liquid and vapour. Harmful…

  • p-Xylene-d{10}, 99%(Isotopic)

    Alfa Aesar

    Formula: C8D10 Formula weight: 116.25 Purity: 99%(Isotopic) CAS Number: 41051-88-1 UN Number: UN1307 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2845.90 Hazard Statements: H311-H226-H332-H315 Toxic in contact with skin. Flammable liquid and vapour. Harmful…

  • Xanthene-9-carboxylic acid, 98%

    Alfa Aesar

    Formula: C14H10O3 Formula weight: 226.23 Purity: 98% CAS Number: 82-07-5 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 2X YT Microbial medium

    Alfa Aesar

    Harmonized Tariff Code:  3501.10

  • p-Xylylenebis(triphenylphosphonium bromide), 96%

    Alfa Aesar

    Formula: C44H38Br2P2 Formula weight: 788.55 Purity: 96% CAS Number: 40817-03-6 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Xylazine

    Alfa Aesar

    Synonym(s): 2-(2,6-Dimethylphenylamino)-5,6-dihydro-4H-thiazine hydrochloride Formula: C12H16N2S Formula weight: 220.33 CAS Number: 7361-61-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H315-H319-H335 …

  • Xylenes, Semiconductor Grade

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in contact with skin. Harmful if inhaled. Causes…

  • p-Xylylene dibromide, 97%

    Alfa Aesar

    Synonym(s): 1,4-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-p-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 623-24-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2903.99 Hazard Statements: H314-H318 Causes…

  • XTT sodium salt

    Alfa Aesar

    Synonym(s): 2,3-Bis(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide inner salt Formula: C22H16N7NaO13S2 Formula weight: 673.52 CAS Number: 111072-31-2 Harmonized Tariff Code:  2933.99

  • Xanthine, 99%

    Alfa Aesar

    Synonym(s): 2,6-Dihydroxypurine Formula: C5H4N4O2 Formula weight: 152.11 Purity: 99% CAS Number: 69-89-6 Harmonized Tariff Code:  2933.59

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