Reagents, M

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  • Manganese powder, APS <10 micron, 99.6% (metals basis)

    Alfa Aesar

    Purity: 99.6% (metals basis) CAS Number: 7439-96-5 UN Number: UN3089 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:

  • Magnesium oxide, 99+% (metals basis)

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 99+% (metals basis) CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • 4-Methyl-2-pentanone, HPLC Grade, 99+%

    Alfa Aesar

    Formula: C6H12O Formula weight: 100.16 Purity: 99+% CAS Number: 108-10-1 UN Number: UN1245 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2914.13 Hazard Statements: H225-H332-H319-H335 Highly flammable liquid and vapour. Harmful if inhaled. Causes serious eye…

  • 6-Methyl-4-trifluoromethyl-2(1H)-pyridone, 97%

    Alfa Aesar

    Synonym(s): 2-Hydroxy-6-methyl-4-(trifluoromethyl)pyridine Formula: C7H6F3NO Formula weight: 177.13 Purity: 97% CAS Number: 22123-19-9 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Manganese(II) oxalate dihydrate, Mn 30% min

    Alfa Aesar

    Formula: MnC2O4.2H2O Formula weight: 178.99 (142.96anhy) CAS Number: 6556-16-7 Harmonized Tariff Code:  2917.11 Hazard Statements: H301-H311 Toxic if swallowed. Toxic in contact with skin. Precautionary Statements: P280-P301+P310-P361-P312-P405-P501a Wear protective…

  • Magnesium 2,4-pentanedionate hydrate, typically 98+% (metals basis)

    Alfa Aesar

    Synonym(s): Bis(acetylacetonato)magnesium, Bis(2,4-pentanedionato)magnesium Formula: C10H14MgO4 xH2O Formula weight: 222.52(anhy) Purity: typically 98+% (metals basis) CAS Number: 14024-56-7 Harmonized Tariff Code:  2914.19 Hazard Statements: H301-H315-H319-H335 Toxic if…

  • Magnesium chloride, anhydrous, 99%

    Alfa Aesar

    Formula: MgCl2 Formula weight: 95.22 Purity: 99% CAS Number: 7786-30-3 Harmonized Tariff Code:  2827.31

  • Methacrylic acid, 99+%, stab. with 250ppm 4-methoxyphenol

    Alfa Aesar

    Synonym(s): 2-Methylacrylic acid Formula: CH2=C(CH3)CO2H Formula weight: 86.09 Purity: 99+%, stab. with 250ppm 4-methoxyphenol CAS Number: 79-41-4 UN Number: UN2531 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2916.13 Hazard Statements: H314-H302-H312-H227 …

  • Methanol-d{4}, 99.8%(Isotopic)

    Alfa Aesar

    Formula: CD3OD Formula weight: 36.07 Purity: 99.8%(Isotopic) CAS Number: 811-98-3 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225-H300-H310-H330-H370 Highly flammable liquid and vapour. Fatal if swallowed. Fatal…

  • Methyl Orange, ACS

    Alfa Aesar

    Synonym(s): Acid Orange 52, C.I. 13025 Formula: C14H14N3NaO3S Formula weight: 327.34 CAS Number: 547-58-0 UN Number: UN3143 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2927.00 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Methanol, Semiconductor Grade, 99.9% min

    Alfa Aesar

    Formula: CH3OH Formula weight: 32.04 Purity: 99.9% min CAS Number: 67-56-1 UN Number: UN1230 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.11 Hazard Statements: H225-H301-H311-H331-H370 Highly flammable liquid and vapour. Toxic if swallowed. Toxic in…

  • Mercury(II) chloride, ACS, 99.5% min

    Alfa Aesar

    Formula: Cl2Hg Formula weight: 271.50 Purity: 99.5% min CAS Number: 7487-94-7 UN Number: UN1624 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H372-H341-H361-H314-H318 Fatal if swallowed. Causes damage to organs through…

  • Magnesium hydroxide, 95-100.5%

    Alfa Aesar

    Formula: Mg(OH)2 Formula weight: 58.33 Purity: 95-100.5% CAS Number: 1309-42-8 Harmonized Tariff Code:  2816.10 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Manganese(IV) oxide, activated, tech., Mn 58% min

    Alfa Aesar

    Synonym(s): Manganese dioxide, Manganese peroxide Formula: MnO2 Formula weight: 86.94 CAS Number: 1313-13-9 Harmonized Tariff Code:  2820.10 Hazard Statements: H302-H332 Harmful if swallowed. Harmful if inhaled. Precautionary Statements: P261-P264-P304+P340-P301+P312-P312-P501a …

  • Manganese(II) acetate tetrahydrate, Mn 22% (typical)

    Alfa Aesar

    Formula: C4H6MnO4 4H2O Formula weight: 245.09 (173.03anhy) CAS Number: 6156-78-1 Harmonized Tariff Code:  2915.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Magnesium oxide, 96%, light

    Alfa Aesar

    Formula: MgO Formula weight: 40.30 Purity: 96%, light CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • 1-Methyl-2-pyrrolidinone, HPLC Grade, 99.5%

    Alfa Aesar

    Formula: C5H9NO Formula weight: 99.13 Purity: 99.5% CAS Number: 872-50-4 Harmonized Tariff Code:  2933.79 Hazard Statements: H360-H315-H319-H335-H227 May damage fertility or the unborn child. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…

  • Magnesium bromide hexahydrate, 98+%

    Alfa Aesar

    Formula: Br2Mg 6H2O Formula weight: 292.22 (184.13anhy) Purity: 98+% CAS Number: 13446-53-2 Harmonized Tariff Code:  2827.59 Haza

  • Methyl 2-amino-5-methoxybenzoate, 96%

    Alfa Aesar

    Synonym(s): 2-Amino-5-methoxybenzoic acid methyl ester Formula: C9H11NO3 Formula weight: 181.19 Purity: 96% CAS Number: 2475-80-1

  • Methyl 4-(hydroxymethyl)pyridine-2-carboxylate, 95%

    Alfa Aesar

    Synonym(s): 4-(hydroxymethyl)pyridine-2-carboxylic acid methyl ester Formula: C8H9NO3 Formula weight: 167.16 Purity: 95% CAS Number: 317335-15-2 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Magnesium slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals…

    Alfa Aesar

    Purity: 99.95% (metals basis) CAS Number: 7439-95-4 Harmonized Tariff Code:  8104.90

  • Manganese(II) chloride, ultra dry, 99.99% (metals basis)

    Alfa Aesar

    Formula: Cl2Mn Formula weight: 125.84 Purity: 99.99% (metals basis) CAS Number: 7773-01-5 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2827.39 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Magnesium oxide, 95% min

    Alfa Aesar

    Synonym(s): Magnesia Formula: MgO Formula weight: 40.30 Purity: 95% min CAS Number: 1309-48-4 Harmonized Tariff Code:  2519.90

  • Methyl methanesulfonate, 99%

    Alfa Aesar

    Formula: C6H5F3N2 Formula weight: 162.11 Purity: 98% CAS Number: 106877-33-2 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: H301-H315-H319-H317 Toxic if swallowed. Causes skin irritation. Causes serious eye…

  • Methyl 4-fluoro-2-methoxybenzoate, 97+%

    Alfa Aesar

    Synonym(s): 4-Fluoro-2-methoxybenzoic acid methyl ester Formula: C9H9FO3 Formula weight: 184.17 Purity: 97+% CAS Number: 204707-42-6

  • 1-Methyl-2-pyrrolidinone, Spectrophotometric Grade, 99.5+%

    Alfa Aesar

    Formula: C5H9NO Formula weight: 99.13 Purity: 99.5+% CAS Number: 872-50-4 Harmonized Tariff Code:  2933.79 Hazard Statements: H360-H315-H319-H335-H227 May damage fertility or the unborn child. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.…

  • Microcline, naturally occurring mineral, grains, approximately 0.06-0.19in

    Alfa Aesar

    Formula: KAlSi3O8 Harmonized Tariff Code:  2530.90

  • 3-(1-Methyl-4-piperidinyl)indole, 97%

    Alfa Aesar

  • Methyl cellulose, viscosity 1600 cPs

    Alfa Aesar

    CAS Number: 9004-67-5 Harmonized Tariff Code:  3912.39

  • Methyl thiocyanate, 99%

    Alfa Aesar

    Formula: CH3SCN Formula weight: 73.11 Purity: 99% CAS Number: 556-64-9 UN Number: UN2929 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H300-H330-H226-H315-H319-H335 Fatal if swallowed. Fatal if inhaled. Flammable liquid and vapour.…

  • Molybdenite, naturally occurring mineral, grains, approximately 0.06-0.19in

    Alfa Aesar

    Synonym(s): Molybdenum glance Formula: MoS2 Formula weight: 160.07 CAS Number: 1309-56-4 Harmonized Tariff Code:  2530.90

  • Manganese(II) chloride tetrahydrate, ACS, 98.0-101.0%

    Alfa Aesar

    Formula: Cl2Mn 4H2O Formula weight: 197.90 (125.84anhy) Purity: 98.0-101.0% CAS Number: 13446-34-9 Harmonized Tariff Code:  2827.39 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash thoroughly after handling. Do not…

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