Alfa Aesar

Reagents, S, Alfa Aesar

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  • Sucrose, 99%

    Alfa Aesar

    Synonym(s): D-(+)-Saccharose Formula: C12H22O11 Formula weight: 342.30 Purity: 99% CAS Number: 57-50-1 Harmonized Tariff Code:  1701.99

  • Silicone oil, high temperature, usable temperature range: 25 to 250°C (open…

    Alfa Aesar

    Synonym(s): Poly(dimethylsiloxane-co-diphenylsiloxane), Dimethyl diphenyl polysiloxane Formula: [Si(CH3)2O]x[Si(C6H5)2O] k CAS Number: 68083-14-7 Harmonized Tariff Code: 

  • Silicone oil, for oil baths, usable range from -40 to +200°C

    Alfa Aesar

    Synonym(s): Dimethyl polysiloxane CAS Number: 63148-62-9 Harmonized Tariff Code:  3910.00

  • Silver sulfate, ACS, 98%

    Alfa Aesar

    Formula: Ag2O4S Formula weight: 311.80 Purity: 98% CAS Number: 10294-26-5 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2843.29 Hazard Statements: H318 Causes serious eye damage. Precautionary Statements: P280-P305+P351+P338-P310 Wear…

  • Sodium hydroxide, 5.0N Standardized Solution

    Alfa Aesar

    Formula: NaOH Formula weight: 40.00 CAS Number: 1310-73-2 UN Number: UN1824 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2815.12 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: …

  • Sodium acetate trihydrate, 99%

    Alfa Aesar

    Synonym(s): Acetic acid sodium salt trihydrate Formula: NaOOCCH3 3H2O Formula weight: 136.08 (82.03anhy) Purity: 99% CAS Number: 6131-90-4 Harmonized Tariff Code:  2915.29

  • Silica gel desiccant, -3+8 Mesh Granules

    Alfa Aesar

    CAS Number: 7631-86-9 Harmonized Tariff Code:  2811.22

  • Sodium hydrosulfite, tech., 85+%

    Alfa Aesar

    Synonym(s): Sodium hypodisulfite, Sodium dithionite Formula: Na2S2O4 Formula weight: 174.11 Purity: 85+% CAS Number: 7775-14-6 UN Number: UN1384 Hazard Class: 4.2 Packing Group: II Harmonized Tariff Code:  2831.10 Hazard Statements: H251-H302 Self-heating: may catch…

  • Starch, soluble

    Alfa Aesar

    CAS Number: 9005-84-9 Harmonized Tariff Code:  3505.10

  • Sulfur powder, precipitated, 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…

  • Sodium pyruvate, 99%

    Alfa Aesar

    Synonym(s): Pyruvic acid sodium salt Formula: C3H3NaO3 Formula weight: 110.04 Purity: 99% CAS Number: 113-24-6 Harmonized Tariff Code:  2918.30

  • Starch, soluble, ACS (for iodometry)

    Alfa Aesar

    Synonym(s): Amylodextrin CAS Number: 9005-84-9 Harmonized Tariff Code:  3505.10

  • Sodium acetate, anhydrous, 99%

    Alfa Aesar

    Synonym(s): Acetic acid sodium salt Formula: C2H3NaO2 Formula weight: 82.03 Purity: 99% CAS Number: 127-09-3 Harmonized Tariff Code:  2915.29

  • Sodium peroxide, 95%

    Alfa Aesar

    Synonym(s): Sodium dioxide, Sodium superoxide Formula: Na2O2 Formula weight: 77.98 Purity: 95% CAS Number: 1313-60-6 UN Number: UN1504 Hazard Class: 5.1 Packing Group: I Harmonized Tariff Code:  2815.30 Hazard Statements: H271-H314 May cause fire or explosion; strong…

  • 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…

  • Sodium salicylate, 99%

    Alfa Aesar

    Synonym(s): Salicylic acid sodium salt, Sodium 2-hydroxybenzoate Formula: C7H5NaO3 Formula weight: 160.11 Purity: 99% CAS Number: 54-21-7 Harmonized Tariff Code:  2918.21 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye…

  • Sulfuric acid, 5.0N Standardized Solution

    Alfa Aesar

    Formula: H2SO4 Formula weight: 98.08 CAS Number: 7664-93-9 UN Number: UN2796 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2807.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: …

  • Stainless Steel wire, 1.0mm (0.04in) dia, Type 304

    Alfa Aesar

    Formula: Fe Cr Ni 70 19 11 wt Harmonized Tariff Code:  7223.00

  • Sodium chloride, crystalline powder PDV, 99+%

    Alfa Aesar

    Formula: NaCl Formula weight: 58.44 Purity: 99+% CAS Number: 7647-14-5 Harmonized Tariff Code:  2501.00 Risk Phrases: 36 Irritating to eyes. Safety Phrases: 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

  • Succinic acid, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Butanedioic acid Formula: HO2CCH2CH2CO2H Formula weight: 118.09 Purity: 99.0% min CAS Number: 110-15-6 Harmonized Tariff Code:  2917.19 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin irritation. …

  • Sodium sulfide nonahydrate, ACS, 98.0% min

    Alfa Aesar

    CAS No. : 1313-84-4 MDL: MFCD00149184 EINECS: 215-211-5 Formula: Na2S•9H2O Formula Weight: 240.18 (78.04anhy) Form: Crystalline Melting Point: ca 50° dec. Density: 1.427 Sensitivity: Light Sensitive &…

  • Sodium hydroxide, 0.5N Standardized Solution

    Alfa Aesar

    Formula: NaOH Formula weight: 40.00 CAS Number: 1310-73-2 UN Number: UN3266 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2815.12 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary Statements: …

  • Sodium acetate trihydrate, ACS, 99.0%-100.5%

    Alfa Aesar

    Synonym(s): Acetic acid sodium salt trihydrate Formula: NaOOCCH3 3H2O Formula weight: 136.08 (82.03anhy) Purity: 99.0%-100.5% CAS Number: 6131-90-4 Harmonized Tariff Code:  2915.29

  • Silver chromate, 99% min

    Alfa Aesar

    Formula: Ag2CrO4 Formula weight: 331.73 Purity: 99% min CAS Number: 7784-01-2 UN Number: UN1479 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2843.29 Hazard Statements: H350-H272-H317 May cause cancer. May intensify fire; oxidizer. May cause an allergic…

  • Silver Conductive Ink

    Alfa Aesar

    Harmonized Tariff Code:  2843.29 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: P280-P305+P351+P338-P362-P321-P332+P313-

  • Sodium 1-octanesulfonate, 99%

    Alfa Aesar

    Synonym(s): 1-Octanesulfonic acid sodium salt Formula: CH3(CH2)7SO3Na Formula weight: 216.28 Purity: 99% CAS Number: 5324-84-5 Harmonized Tariff Code:  2904.10

  • Sodium sulfide, anhydrous

    Alfa Aesar

    Formula: Na2S Formula weight: 78.04 CAS Number: 1313-82-2 UN Number: UN1385 Hazard Class: 4.2 Packing Group: II Harmonized Tariff Code:  2830.10 Hazard Statements: H311-H314-H302 Toxic in contact with skin. Causes severe skin burns and eye damage. Harmful if swallowed. …

  • Silica gel, TLC high purity grade, with gypsum binder

    Alfa Aesar

    CAS Number: 63231-67-4 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.…

  • Sodium nitrite, 98%

    Alfa Aesar

    Formula: NNaO2 Formula weight: 69.00 Purity: 98% CAS Number: 7632-00-0 UN Number: UN1500 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.10 Hazard Statements: H301-H272 Toxic if swallowed. May intensify fire; oxidizer. Precautionary Statements: …

  • Sodium methoxide, ca 30% w/w in methanol

    Alfa Aesar

    Synonym(s): Sodium methylate Formula: CH3ONa Formula weight: 54.02 CAS Number: 124-41-4 UN Number: UN1289 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.19 Hazard Statements: H225-H301-H311-H331-H370-H314 Highly flammable liquid and vapour. Toxic if…

  • Sodium 1-heptanesulfonate monohydrate, 99%

    Alfa Aesar

    Synonym(s): 1-Heptanesulfonic acid sodium salt monohydrate Formula: C7H15NaO3S H2O Formula weight: 220.26 (202.24anhy) Purity: 99% CAS Number: 207300-90-1 Harmonized Tariff Code:  2904.10

  • Sodium borohydride, 98%

    Alfa Aesar

    Synonym(s): Sodium tetrahydridoborate Formula: NaBH4 Formula weight: 37.83 Purity: 98% CAS Number: 16940-66-2 UN Number: UN1426 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2850.00 Hazard Statements: H260-H301-H311-H330-H314-H318 In contact with water…

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