Alfa Aesar

Reagents, S, Alfa Aesar

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  • 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…

  • Silica gel desiccant, indicating, -6+16 mesh granules

    Alfa Aesar

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

  • 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 azide, 99%

    Alfa Aesar

    Formula: N3Na Formula weight: 65.01 Purity: 99% CAS Number: 26628-22-8 UN Number: UN1687 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2850.00 Hazard Statements: H300 Fatal if swallowed. Precautionary Statements: P264-P270-P301+P310-P321-P405-P501a Wash…

  • Starch, soluble

    Alfa Aesar

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

  • 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 chloride, ultra dry, 99.997% (metals basis)

    Alfa Aesar

    Formula: AgCl Formula weight: 143.32 Purity: 99.997% (metals basis) CAS Number: 7783-90-6 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2843.29 Hazard Statements: H290 May be corrosive to metals. Precautionary Statements: P234-P390-P406 …

  • Sodium Chloride, ACS, 99.0% min

    Alfa Aesar

    Formula: NaCl Formula weight: 58.44 Purity: 99.0% min 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.

  • Silver powder, spherical, -635 mesh, 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 …

  • Sodium dihydrogen phosphate, 96%

    Alfa Aesar

    Synonym(s): Monosodium orthophosphate, Sodium phosphate, monobasic Formula: H2NaO4P Formula weight: 119.98 Purity: 96% CAS Number: 7558-80-7 Harmonized Tariff Code:  2835.22 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Stearic acid, 98%

    Alfa Aesar

    Synonym(s): Octadecanoic acid Formula: CH3(CH2)16CO2H Formula weight: 284.48 Purity: 98% CAS Number: 57-11-4 Harmonized Tariff Code:  2915.70 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37 In case of contact with eyes, rinse…

  • Silica gel desiccant, indicating, ACS

    Alfa Aesar

    CAS Number: 7631-86-9 MDL: MFCD00011232 EINECS: 231-545-4 Form : -6+18 Mesh Granules Sensitivity : Hygroscopic GHS Hazard and Precautionary Statements Hazard Statements: H350-H360-H373-H411 May cause cancer. May damage fertility or the unborn child.…

  • Sodium metabisulfite, ACS, 97% min

    Alfa Aesar

    Synonym(s): Sodium pyrosulfite, Sodium sulfite Formula: Na2O5S2 Formula weight: 190.10 Purity: 97% min CAS Number: 7681-57-4 Harmonized Tariff Code:  2832.10 Hazard Statements: H318-H302 Causes serious eye damage. Harmful if swallowed. Precautionary Statements: …

  • 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: …

  • Silicon carbide, 99.5% 500g

    Alfa Aesar

  • Sodium fluoride, ACS, 99% min

    Alfa Aesar

    Formula: NaF Formula weight: 41.99 Purity: 99% min CAS Number: 7681-49-4 UN Number: UN1690 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H315-H319 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. …

  • Sodium glycolate, 97%

    Alfa Aesar

    Synonym(s): Glycolic acid sodium salt, Sodium hydroxyacetate Formula: C2H3NaO3 Formula weight: 98.03 Purity: 97% CAS Number: 2836-32-0 Harmonized Tariff Code:  2918.19

  • 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

  • Sodium L-lactate, 98+%

    Alfa Aesar

    Synonym(s): (S)-2-Hydroxypropionic acid sodium salt, L-Lactic acid sodium salt Formula: C3H5NaO3 Formula weight: 112.06 Purity: 98+% CAS Number: 867-56-1 Harmonized Tariff Code:  2918.11

  • Sulfur powder, -325 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…

  • Sodium hydroxide, 2.0N 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-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary Statements: …

  • Silicon powder, crystalline/amorphous, typically 1-20 micron, 99.9985% (metals…

    Alfa Aesar

    Purity: 99.9985% (metals basis) CAS Number: 7440-21-3 UN Number: UN1346 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2804.61 Hazard Statements: H228 Flammable solid. Precautionary Statements: P210-P280-P240-P241-P370+P378c Keep away from heat/sparks/open…

  • Sodium fluoride, 99%

    Alfa Aesar

    Formula: FNa Formula weight: 41.99 Purity: 99% CAS Number: 7681-49-4 UN Number: UN1690 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.19 Hazard Statements: H301-H315-H319 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. …

  • Sodium metabisulfite, 97%

    Alfa Aesar

    Synonym(s): Sodium pyrosulfite, Sodium sulfite Formula: Na2O5S2 Formula weight: 190.10 Purity: 97% CAS Number: 7681-57-4 Harmonized Tariff Code:  2832.10 Hazard Statements: H318-H302 Causes serious eye damage. Harmful if swallowed. Precautionary Statements: …

  • Sodium 1-octanesulfonate monohydrate, 99+%

    Alfa Aesar

    Synonym(s): 1-Octanesulfonic acid sodium salt monohydrate Formula: CH3(CH2)7SO3Na H2O Formula weight: 234.29 (216.28anhy) Purity: 99+% CAS Number: 207596-29-0 Harmonized Tariff Code:  2904.10

  • Sodium pentacyanonitrosylferrate(III) dihydrate, 98+%

    Alfa Aesar

    Synonym(s): Sodium nitroprusside dihydrate, Sodium nitroferricyanide(III) dihydrate Formula: C5FeN6Na2O 2H2O Formula weight: 297.95 (261.92anhy) Purity: 98+% CAS Number: 13755-38-9 UN Number: UN1588 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2837.20 …

  • 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 tetraphenylborate, 99%

    Alfa Aesar

    Synonym(s): Tetraphenylboron sodium Formula: C24H20BNa Formula weight: 342.23 Purity: 99% CAS Number: 143-66-8 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin…

  • Sorbic acid, 99%

    Alfa Aesar

    Synonym(s): Hexa-2,4-dienoic acid Formula: C6H8O2 Formula weight: 112.13 Purity: 99% CAS Number: 110-44-1 Harmonized Tariff Code:  2916.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Sodium pyrophosphate, 98%

    Alfa Aesar

    Synonym(s): Sodium phosphate (pyro), Tetrasodium pyrophosphate Formula: Na4O7P2 Formula weight: 265.90 Purity: 98% CAS Number: 7722-88-5 Harmonized Tariff Code:  2835.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • 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…

  • Stainless Steel gauze, 20 mesh woven from 0.102mm (0.004in) dia wire, Type 316

    Alfa Aesar

    Formula: Fe Cr Ni Mo 67.5 17 13 2.5 wt Harmonized Tariff Code:  7314.14 Risk Phrases: 40-43 Possible risk of irreversible effects. May cause sensitisation by skin contact. Safety Phrases: 36/37 Wear suitable protective clothing and gloves.

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