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Reagents, S

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Alfa Aesar Reagents, S

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  • Sodium bis(trimethylsilyl)amide, 2M soln. in THF

    Alfa Aesar

    Synonym(s): NaHMDS, N-Sodiohexamethyldisilazane Formula: C6H18NNaSi2 Formula weight: 183.38 CAS Number: 1070-89-9 UN Number: UN2924 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H224-H314-H318 Extremely flammable liquid and vapour.…

  • Silver molybdenum oxide, 99%

    Alfa Aesar

    Synonym(s): Silver(I) molybdate Formula: Ag2MoO4 Formula weight: 375.68 Purity: 99% CAS Number: 13765-74-7 Harmonized Tariff Code:  2843.29

  • 5-Sulfoisophthalic acid monosodium salt, 95%

    Alfa Aesar

    Formula: C8H5NaO7S Formula weight: 268.18 Purity: 95% CAS Number: 6362-79-4 Harmonized Tariff Code:  2917.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Scandium(III) trifluoromethanesulfonate, 98%

    Alfa Aesar

    Synonym(s): Scandium(III) triflate Formula: Sc(OSO2CF3)3 Formula weight: 492.16 Purity: 98% CAS Number: 144026-79-9 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Sodium n-heptafluorobutyrate, 98%

    Alfa Aesar

    Synonym(s): n-Heptafluorobutyric acid sodium salt Formula: C4F7NaO2 Formula weight: 236.02 Purity: 98% CAS Number: 2218-54-4 Harmonized Tariff Code:  2915.60 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Strontium chloride, ultra dry, 99.995% (metals basis)

    Alfa Aesar

    Formula: SrCl2 Formula weight: 158.53 Purity: 99.995% (metals basis) CAS Number: 10476-85-4 Harmonized Tariff Code:  2827.39 Hazard Statements: H318-H302-H335-H315 Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation. Causes skin irritation. …

  • Sodium ethoxide, 21% w/w in ethanol

    Alfa Aesar

    Synonym(s): Sodium ethylate Formula: C2H5NaO Formula weight: 68.05 CAS Number: 141-52-6 UN Number: UN3274 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2905.19 Hazard Statements: H225-H314 Highly flammable liquid and vapour. Causes severe skin burns and eye…

  • Stains-All, 95%

    Alfa Aesar

    Formula: C30H27BrN2S2 Formula weight: 559.58 Purity: 95% CAS Number: 7423-31-6 Harmonized Tariff Code:  3204.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Sulfur powder, sublimed, -100 mesh, 99.5%

    Alfa Aesar

    Purity: 99.5% CAS Number: 7704-34-9 UN Number: UN1350 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2802.00 Hazard Statements: H228-H315 Flammable solid. Causes skin irritation. Precautionary Statements: P210-P280-P240-P241-P362-P321 Keep away from…

  • S6-Alcohol Dehydrogenase

    Alfa Aesar

    CAS Number: 9031-72-5 Harmonized Tariff Code:  3507.90

  • Sepabeads® SP70, synthetic adsorbent resin, highly porous type, PS-DVB, P.R. 70…

    Alfa Aesar

    Harmonized Tariff Code:  3907.99

  • Silver shot, 2-3mm (0.08-0.12in), Premion r, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7440-22-4 Harmonized Tariff Code:  7106.92

  • Sphingosine-1-phosphate

    Alfa Aesar

  • Silver Nitrate, ACS, 99.9+% (metals basis)

    Alfa Aesar

    CAS Number: 7761-88-8 MDL: MFCD00003414 EINECS: 231-853-9 Formula: AgNO3 Formula Weight: 169.87 Form: Crystalline Melting Point: 212° Flash Point: None Density: 4.352 Sensitivity: Light Sensitive Solubility: …

    Related Products: Silver Nitrate

  • Sulfur in Diesel Fuel standard solution, Specpure r, 300µg/g (0.030%)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H351-H315-H319-H335-H227 Suspected of causing cancer. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Combustible liquid. Precautionary Statements: P210-P261-P280-P305+P351+P338-P405-P501a Keep…

  • Sodium pyrophosphate, 200mM buffer soln.

    Alfa Aesar

    CAS Number: 7758-16-9 Harmonized Tariff Code:  2835.39

  • Silver flake, APS 4-8 micron, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7440-22-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  7106.10 Risk Phrases: 50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Safety Phrases: 57-60 …

  • Silicon(IV) oxide, amorphous fumed, S.A. 130-170m^2/g

    Alfa Aesar

    Formula: O2Si Formula weight: 60.09 CAS Number: 7631-86-9 Harmonized Tariff Code:  2811.22 Hazard Statements: H373 May cause damage to organs through prolonged or repeated exposure. Precautionary Statements: P260-P314-P501a Do not breathe dust/fume/gas/mist/vapours/spray. Get…

  • Sodium tetrabromopalladate(II), Premion r, 99.95% (metals basis), Pd 22.0% min

    Alfa Aesar

    Formula: Na2PdBr4 Formula weight: 472.02 Purity: 99.95% (metals basis), Pd 22.0% min CAS Number: 50495-13-1 Harmonized Tariff Code:  2843.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Sodium hydrogen phosphate, anhydrous, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Disodium phosphate, Sodium phosphate, dibasic Formula: HNa2O4P Formula weight: 141.98 Purity: 99.0% min CAS Number: 7558-79-4 Harmonized Tariff Code:  2835.22 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

    Related Products: Sodium Phosphate Dibasic Anhydrous Acs

  • Stainless Steel powder, -16+25 mesh, Type 316-L

    Alfa Aesar

    Formula: Fe Cr Ni Mo 67.5 17 13 2.5 wt Harmonized Tariff Code:  7205.21

  • Sulfuric acid, 99.9999% (metals basis), 92% min

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Formula: H2SO4 Formula weight: 98.08 Purity: 99.9999% (metals basis), 92% min CAS Number: …

  • Selenourea, 99%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Formula: (H2N)2C=Se Formula weight: 123.02 Purity: 99% CAS Number: 630-10-4 UN Number: …

  • Silicon(IV) oxide, amorphous fumed, surface treated, S.A. 105-130m^2/g

    Alfa Aesar

    Formula: O2Si Formula weight: 60.09 CAS Number: 7631-86-9 Harmonized Tariff Code:  2811.22 Hazard Statements: H373 May cause damage to organs through prolonged or repeated exposure. Precautionary Statements: P260-P314-P501a Do not breathe dust/fume/gas/mist/vapours/spray. Get…

  • Silica gel 60, 0.062-0.105mm (150-230 mesh)

    Alfa Aesar

    CAS Number: 7631-86-9 Harmonized Tariff Code:  2811.22 Hazard Statements: H373 May cause damage to organs through prolonged or repeated exposure. Precautionary Statements: P260-P314-P501a Do not breathe dust/fume/gas/mist/vapours/spray. Get medical advice/attention if you feel unwell.…

  • Sulfur in Residual Oil standard solution, Specpure r, 10,000µg/g (1.00%)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse…

  • Silver hexafluorophosphate, 98%

    Alfa Aesar

    Formula: AgF6P Formula weight: 252.83 Purity: 98% CAS Number: 26042-63-7 UN Number: UN3260 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2843.29 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary…

  • Selenium powder, -200 mesh, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7782-49-2 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:

  • Sulfur in Heavy Mineral Oil standard solution, Specpure r, 400µg/g (0.0400%)

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H350 May cause cancer. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment as required. Obtain special instructions before use. Do not handle until all safety precautions have been read and…

  • Silver iodide, Premion r, 99.999% (metals basis)

    Alfa Aesar

    Formula: AgI Formula weight: 234.77 Purity: 99.999% (metals basis) CAS Number: 7783-96-2 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2843.29 Risk Phrases: 50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the…

  • Strontium chloride, anhydrous, 95%

    Alfa Aesar

    Formula: SrCl2 Formula weight: 158.53 Purity: 95% CAS Number: 10476-85-4 Harmonized Tariff Code:  2827.39 Hazard Statements: H318-H302-H335-H315 Causes serious eye damage. Harmful if swallowed. May cause respiratory irritation. Causes skin irritation. Precautionary Statements: …

  • Somatostatin 28 (1-12)

    Alfa Aesar

    Synonym(s): Ser-Ala-Asn-Ser-Asn-Pro-Ala-Met-Ala-Pro-Arg-Glu Formula: C49H81N17O19S Formula weight: 1244.34 CAS Number: 81286-16-0 Harmonized Tariff Code:  2933.99

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