Reagents, M

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  • Mineral oil

    Alfa Aesar

    CAS Number: 8020-83-5 Harmonized Tariff Code:  2710.19

  • Murexide

    Alfa Aesar

    Synonym(s): Ammonium purpurate Formula: C8H8N6O6 Formula weight: 284.19 CAS Number: 3051-09-0 Harmonized Tariff Code:  2933.54

  • Methylmercury(II) iodide, 98+%

    Alfa Aesar

    Formula: CH3HgI Formula weight: 342.56 Purity: 98+% CAS Number: 143-36-2 UN Number: UN2025 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. May cause…

  • 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

  • Magnesium chloride, anhydrous, 99%

    Alfa Aesar

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

  • Methylthymol Blue sodium salt

    Alfa Aesar

    Synonym(s): Methylthymol Blue, water soluble Formula: C37H40N2Na4O13S Formula weight: 844.76 CAS Number: 1945-77-3 Harmonized Tariff Code:  2934.99

  • Magnesium acetate tetrahydrate, 98%

    Alfa Aesar

    Formula: Mg(CH3COO)2 4H2O Formula weight: 214.45 (142.39anhy) Purity: 98% CAS Number: 16674-78-5 Harmonized Tariff Code:  2915.29

  • 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: …

  • 1-Methyl-1,2,4-triazole, 99%

    Alfa Aesar

    Formula: C3H5N3 Formula weight: 83.10 Purity: 99% CAS Number: 6086-21-1 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid. Precautionary Statements: …

  • Metaphosphoric acid, ACS, 33.5-36.5%, bal. NaPO{3} (Stablizer)

    Alfa Aesar

    Synonym(s): Phosphoric acid (meta) Formula: HPO3 Formula weight: 79.98 CAS Number: 37267-86-0 UN Number: UN3260 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2809.20 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory…

  • Molecular sieves, 5A, 3-5mm (0.12-0.20in) beads

    Alfa Aesar

    CAS Number: 69912-79-4 Harmonized Tariff Code:  3824.90

  • Mercury(II) nitrate hydrate, ACS, 98.0% min

    Alfa Aesar

    Formula: HgN2O6 xH2O (x=1-2) Formula weight: 324.60(anhy) Purity: 98.0% min CAS Number: 7783-34-8 UN Number: UN1625 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H272-H373 Fatal if swallowed. Fatal in contact with…

  • Magnesium silicate monohydrate (Talc)

    Alfa Aesar

    Formula: 3MgO 4SiO2 H2O Formula weight: 379.28 (361.27anhy) CAS Number: 14807-96-6 Harmonized Tariff Code:  2839.90 Hazard Statements: H332 Harmful if inhaled. Precautionary Statements: P261-P271-P304+P340-P312 Avoid breathing dust/fume/gas/mist/vapours/spray. Use only outdoors or…

  • Memantine hydrochloride

    Alfa Aesar

    Formula: C12H21N HCl Formula weight: 215.76 CAS Number: 41100-52-1 Harmonized Tariff Code:  2921.30

  • 4-Methoxybenzenesulfonyl chloride, 98+%

    Alfa Aesar

    Synonym(s): p-Anisolesulfonyl chloride Formula: C7H7ClO3S Formula weight: 206.65 Purity: 98+% CAS Number: 98-68-0 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2909.30 Hazard Statements: H314-H318 Causes severe skin burns and eye damage.…

  • 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…

  • Meclofenamic acid sodium salt, 99+%

    Alfa Aesar

    Synonym(s): Meclofenamate sodium, 2-[(2,6-Dichloro-3-methylphenyl)-amino]benzoic acid, sodium salt Formula: C14H10Cl2NNaO2 Formula weight: 318.13 Purity: 99+% CAS Number: 6385-02-0 Harmonized Tariff Code:  2922.49

  • Methyl pyruvate, 98%

    Alfa Aesar

    Synonym(s): Pyruvic acid methyl ester, Methyl 2-oxopropionate Formula: C4H6O3 Formula weight: 102.09 Purity: 98% CAS Number: 600-22-6 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2918.30 Hazard Statements: H226 Flammable liquid and…

  • Molecular sieves, 4A, powder

    Alfa Aesar

    CAS Number: 70955-01-0 Harmonized Tariff Code:  3824.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing…

  • MES hydrate, 99+%

    Alfa Aesar

    Synonym(s): 2-(4-Morpholinyl)ethanesulfonic acid hydrate, 4-Morpholineethanesulfonic acid hydrate Formula: C6H13NO4S xH2O Formula weight: 195.24(anhy) Purity: 99+%

  • Magnesium carbonate hydroxide pentahydrate, light, 98%

    Alfa Aesar

    Formula: C4H2Mg5O14 5H2O Formula weight: 485.65 (395.58anhy) Purity: 98% CAS Number: 56378-72-4 Harmonized Tariff Code:  2836.99

  • Methyl 7-bromoheptanoate, 98%

    Alfa Aesar

    Synonym(s): 7-Bromoheptanoic acid methyl ester Formula: Br(CH2)6CO2CH3 Formula weight: 223.11 Purity: 98% CAS Number: 54049-24-0 Harmonized Tariff Code:  2915.90

  • Mercury(II) oxide, red, 99%

    Alfa Aesar

    Synonym(s): Mercuric oxide Formula: HgO Formula weight: 216.59 Purity: 99% CAS Number: 21908-53-2 UN Number: UN1641 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2852.10 Hazard Statements: H300-H310-H330-H373 Fatal if swallowed. Fatal in contact with…

  • 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:

  • Molybdenum(V) isopropoxide, 99.6% (m.b.), 5% w/v in isopropanol, packaged under…

    Alfa Aesar

    Formula: C15H35MoO5 Formula weight: 391.04 Purity: 99.6% (m.b.), 5% w/v in isopropanol, packaged under Argon in resealable ChemSeal^t bottles CAS Number: 209733-38-0 UN Number: UN1219 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.19 Hazard Statements: …

  • Methylene dithiocyanate, 98%

    Alfa Aesar

    Synonym(s): Dithiocyanatomethane Formula: CH2(SCN)2 Formula weight: 130.19 Purity: 98% CAS Number: 6317-18-6 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H301-H330-H314-H317 Toxic if swallowed. Fatal if…

  • Methanol, anhydrous, 99.9%, packaged under Argon in resealable ChemSeal^t…

    Alfa Aesar

    Formula: CH3OH Formula weight: 32.04 Purity: 99.9%, packaged under Argon in resealable ChemSeal^t bottles 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…

  • Manganese(II) chloride tetrahydrate, Puratronic r, 99.999% (metals basis)

    Alfa Aesar

    Formula: MnCl2 4H2O Formula weight: 197.90 (125.84anhy) Purity: 99.999% (metals basis) 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…

  • Magnesium chloride hexahydrate, 98+%

    Alfa Aesar

    CAS Number: 7791-18-6 MDL: MFCD00149781 EINECS: 232-094-6 Formula: MgCl2•6H2O Formula Weight: 203.30 (95.22anhy) Form: Flake Melting Point: 117° dec. Boiling Point: 4200° Density: 1.570 Sensitivity: …

  • 3-Methoxy-4-methylbenzoic acid, 99%

    Alfa Aesar

    Synonym(s): 3-Methoxy-p-toluic acid, 4-Methyl-m-anisic acid Formula: C9H10O3 Formula weight: 166.18 Purity: 99% CAS Number: 7151-68-0 Harmonized Tariff Code:  2918.99

  • Magnesium oxalate dihydrate, 98.5+%

    Alfa Aesar

    Formula: MgC2O4 2H2O Formula weight: 148.36 (112.32anhy) Purity: 98.5+% CAS Number: 547-66-0 UN Number: UN3288 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H302-H312 Harmful if swallowed. Harmful in contact with skin. …

  • Maleic anhydride, 98+%

    Alfa Aesar

    Synonym(s): cis-Butenedioic anhydride, 2,5-Furandione Formula: C4H2O3 Formula weight: 98.06 Purity: 98+% CAS Number: 108-31-6 UN Number: UN2215 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2917.14 Hazard Statements: H334-H314-H302-H317 May cause allergy…

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