Reagents, S

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  • Sodium borate, 0.5M buffer soln., pH 8.0

    Alfa Aesar

    CAS Number: 1330-43-4 Harmonized Tariff Code:  2810.00 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal protective equipment as required. Obtain special instructions before use. Do not handle…

  • 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 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: …

  • 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 dihydrogen phosphate monohydrate, ACS, 98.0-102.0%

    Alfa Aesar

    Synonym(s): Monosodium orthophosphate, Sodium phosphate, monobasic Formula: NaH2PO4 H2O Formula weight: 137.99 (119.98anhy) Purity: 98.0-102.0% CAS Number: 10049-21-5 Harmonized Tariff Code:  2835.22 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • Sodium carbonate, 98%

    Alfa Aesar

    Formula: Na2CO3 Formula weight: 105.99 Purity: 98% CAS Number: 497-19-8 Harmonized Tariff Code:  2836.99 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye…

  • Sodium acetate, anhydrous, ACS, 99.0% min

    Alfa Aesar

    Synonym(s): Acetic acid sodium salt Formula: NaOOCCH3 Formula weight: 82.03 Purity: 99.0% min CAS Number: 127-09-3 Harmonized Tariff Code:  2915.29

  • 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: 

  • Sodium carbonate, anhydrous, Puratronic r, 99.997% (metals basis)

    Alfa Aesar

    Formula: Na2CO3 Formula weight: 105.99 Purity: 99.997% (metals basis) CAS Number: 497-19-8 Harmonized Tariff Code:  2836.20 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective…

  • Sodium dihydrogen phosphate dihydrate, 99%

    Alfa Aesar

    Synonym(s): Monosodium orthophosphate dihydrate, Sodium phosphate, monobasic dihydrate Formula: H2NaO4P 2H2O Formula weight: 156.01 (119.98anhy) Purity: 99% CAS Number: 13472-35-0 Harmonized Tariff Code:  2835.22

  • Sodium thiosulfate, anhydrous, 99%

    Alfa Aesar

    Formula: Na2O3S2 Formula weight: 158.10 Purity: 99% CAS Number: 7772-98-7 Harmonized Tariff Code:  2832.30

  • Sodium sulfite, anhydrous, 98%

    Alfa Aesar

    Formula: Na2SO3 Formula weight: 126.04 Purity: 98% CAS Number: 7757-83-7 Harmonized Tariff Code:  2832.10 Risk Phrases: 31 Contact with acids liberates toxic gas. Safety Phrases: 60 This material and/or its container must be disposed of as hazardous waste.

  • 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 hydroxide, 1.0N Standardized Solution

    Alfa Aesar

    Formula: HNaO 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 Causes severe skin burns and eye damage. Precautionary Statements: …

  • Sodium orthosilicate, (mixture of NaOH and Na{2}SiO{3} yielding ^= Na{4}SiO{4}…

    Alfa Aesar

    Synonym(s): Sodium silicate (ortho) Formula: Na4SiO4 CAS Number: 13472-30-5 UN Number: UN1759 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2839.19 Hazard Statements: H314-H335 Causes severe skin burns and eye damage. May cause respiratory irritation. …

  • 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 citrate, 0.5M buffer soln., pH 5.5

    Alfa Aesar

    Harmonized Tariff Code:  2918.15 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with…

  • Sodium peroxide, ACS, 93% min

    Alfa Aesar

    Synonym(s): Sodium dioxide, Sodium superoxide Formula: Na2O2 Formula weight: 77.98 Purity: 93% min 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;…

  • Sodium carbonate, anhydrous, ACS, 99.5% min

    Alfa Aesar

    CAS Number: 497-19-8 MDL: MFCD00003494 EINECS: 207-838-8 Formula: Na2CO3 Formula Weight: 105.99 Form: Granular Density: 2.53 Refractive Index: 1.535 Sensitivity: Hygroscopic Solubility: Soluble in water. Insoluble…

  • Sodium tetraborate, anhydrous, 99.5% (metals basis)

    Alfa Aesar

    Synonym(s): Borax, anhydrous, Sodium borate (tetra) Formula: B4Na2O7 Formula weight: 201.22 Purity: 99.5% (metals basis) CAS Number: 1330-43-4 Harmonized Tariff Code:  2840.11 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: …

  • Silica gel desiccant, indicating, ACS

    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 bismuth oxide, ACS, 80% min

    Alfa Aesar

    Synonym(s): Sodium bismuthate Formula: NaBiO3 Formula weight: 279.97 Purity: 80% min CAS Number: 12232-99-4 Harmonized Tariff Code:  2841.90 Hazard Statements: H302-H315-H319-H335 Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • S-Butyrylthiocholine iodide, 98%

    Alfa Aesar

    Formula: C9H20INOS Formula weight: 317.23 Purity: 98% CAS Number: 1866-16-6 Packing Group: n/a Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Sodium selenite, anhydrous, 99% min, typically 99.75% min (metals basis)

    Alfa Aesar

    Synonym(s): Selenious acid disodium salt Formula: Na2O3Se Formula weight: 172.94 Purity: 99% min, typically 99.75% min (metals basis) CAS Number: 10102-18-8 UN Number: UN2630 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2842.90 Hazard Statements: …

  • Silver conductive adhesive paste

    Alfa Aesar

    Harmonized Tariff Code:  3506.10 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: P261-P280-P301+P310-P305+P351+P338-P405-P501a Avoid breathing…

  • Sodium oxalate, 99%

    Alfa Aesar

    Synonym(s): Oxalic acid sodium salt Formula: Na2C2O4 Formula weight: 134.00 Purity: 99% CAS Number: 62-76-0 Packing Group: III Harmonized Tariff Code:  2917.11 Hazard Statements: H302-H312 Harmful if swallowed. Harmful in contact with skin. Precautionary Statements: …

  • Silica gel desiccant, -3+8 Mesh Granules

    Alfa Aesar

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

  • 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…

  • Sodium 1-hexanesulfonate, 99%

    Alfa Aesar

    Synonym(s): 1-Hexanesulfonic acid sodium salt Formula: CH3(CH2)5SO3Na Formula weight: 188.22 Purity: 99% CAS Number: 2832-45-3 Harmonized Tariff Code:  2904.10

  • Sodium metaperiodate, ACS, 99.8-100.3%

    Alfa Aesar

    Synonym(s): Sodium periodate Formula: INaO4 Formula weight: 213.89 Purity: 99.8-100.3% CAS Number: 7790-28-5 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer.…

  • Succinate, 0.2M buffer soln., pH 5.0

    Alfa Aesar

    CAS Number: 150-90-3 Harmonized Tariff Code:  2917.19

  • Sodium succinate hexahydrate, 99%

    Alfa Aesar

    Synonym(s): Disodium succinate hexahydrate Formula: C4H4Na2O4 6H2O Formula weight: 270.14 (162.05anhy) Purity: 99% CAS Number: 6106-21-4 Harmonized Tariff Code:  2917.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

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