Alfa Aesar

Reagents, S, Alfa Aesar

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  • Sodium perchlorate, anhydrous, ACS, 98.0-102.0%

    Alfa Aesar

    Formula: NaClO4 Formula weight: 122.46 Purity: 98.0-102.0% CAS Number: 7601-89-0 UN Number: UN1502 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2829.90 Hazard Statements: H271-H301 May cause fire or explosion; strong oxidizer. Toxic if swallowed. …

  • Starch, soluble

    Alfa Aesar

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

  • Sodium chloride crystal optic disc, 25mm x 4mm, polished both sides

    Alfa Aesar

    EINECS: 231-598-3 Hazard Statements: H303 May be harmful if swallowed. Precautionary Statements: P312 Call a POISON CENTER or doctor/physician if you feel unwell. Harmonized Tariff Code: 9027.90 TSCA: Yes

  • Sodium thiosulfate pentahydrate, 99+%

    Alfa Aesar

    Formula: Na2O3S2 5H2O Formula weight: 248.17 (158.10anhy) Purity: 99+% CAS Number: 10102-17-7 Harmonized Tariff Code:  2832.30

  • Sodium bromide, 99+% (dry wt.), water <1.0%

    Alfa Aesar

    Formula: NaBr Formula weight: 102.89 Purity: 99+% (dry wt.), water CAS Number: 7647-15-6 Harmonized Tariff Code:  2827.51

  • Sodium Hydrogen Phosphate Heptahydrate, ACS, 98.0-102.0%

    Alfa Aesar

    Synonym(s): Disodium phosphate; Sodium phosphate, dibasic CAS Number: 7782-85-6 MDL: MFCD00149180 EINECS: 231-448-7 Formula: Na2HPO4•7H2O Formula Weight: 268.07 (141.98anhy) Form: Crystalline Melting Point: 48.1°-5H{2}O …

  • 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…

  • 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.

  • Syringic acid, 98+%

    Alfa Aesar

    Synonym(s): 3,5-Dimethoxy-4-hydroxybenzoic acid, 4-Hydroxy-3,5-dimethoxybenzoic acid Formula: C9H10O5 Formula weight: 198.17 Purity: 98+% CAS Number: 530-57-4 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • 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.

  • Sodium chloride, 99.99% (metals basis)

    Alfa Aesar

    Formula: NaCl Formula weight: 58.44 Purity: 99.99% (metals basis) 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.

  • 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. …

  • 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 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: …

  • Sulforhodamine 101 acid chloride

    Alfa Aesar

    Synonym(s): Texas Red r, Sulforhodamine 101 sulfonyl chloride Formula: C31H29ClN2O6S2 Formula weight: 625.15 CAS Number: 82354-19-6 Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H351-H373 Toxic if swallowed. Suspected of causing cancer. May cause damage to organs through…

  • Sodium hydrogen L-tartrate, anhydrous, 98%

    Alfa Aesar

    Synonym(s): Sodium bitartrate, L-Tartaric acid sodium salt Formula: C4H5NaO6 Formula weight: 172.07 Purity: 98% CAS Number: 526-94-3 Harmonized Tariff Code:  2918.13

  • 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

  • Sodium ^b-glycerophosphate pentahydrate

    Alfa Aesar

    Synonym(s): beta-Glycerol phosphate disodium salt pentahydrate Formula: (HOCH2)2CHOPO(ONa)2 5H2O Formula weight: 306.12 (216.04anhy) CAS Number: 13408-09-8 Harmonized Tariff Code:  2919.90

  • Sodium n-dodecyl sulfate, ultrapure, 99%

    Alfa Aesar

    Synonym(s): n-Dodecyl sulfate sodium salt, Sodium lauryl sulfate Formula: C12H25NaO4S Formula weight: 288.38 Purity: 99% CAS Number: 151-21-3 UN Number: UN2926 Hazard Class: 4.1 Packing Group: II Harmonized Tariff Code:  2920.90 Hazard Statements: …

  • 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 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.…

  • 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…

  • 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 hydride, 57-63% oil dispersion

    Alfa Aesar

    Formula: HNa Formula weight: 24.00 CAS Number: 7646-69-7 UN Number: UN1427 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2850.00 Hazard Statements: H260 In contact with water releases flammable gases which may ignite spontaneously. Precautionary Statements: …

  • 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 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: H301-H311-H331-H314-H318-H261 Toxic if swallowed. Toxic…

  • 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 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. …

  • Sulfanilamide, 98%

    Alfa Aesar

    Synonym(s): 4-Aminobenzenesulfonamide Formula: C6H8N2O2S Formula weight: 172.21 Purity: 98% CAS Number: 63-74-1 Harmonized Tariff Code:  2935.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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 1-nonanesulfonate, 98+%

    Alfa Aesar

    Synonym(s): 1-Nonanesulfonic acid sodium salt Formula: C9H19NaO3S Formula weight: 230.30 Purity: 98+% CAS Number: 35192-74-6 Harmonized Tariff Code:  2904.10

  • Sodium hippurate, 96%

    Alfa Aesar

    Synonym(s): N-Benzoylglycine sodium salt, Hippuric acid sodium salt Formula: C6H5CONHCH2CO2Na Formula weight: 201.16 Purity: 96% CAS Number: 532-94-5 Harmonized Tariff Code:  2924.29

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