Reagents, S

Compare Tool

Select up to 3 products

1 - 32 of 1362
Sort
View
Show
  • 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

  • Starch, soluble

    Alfa Aesar

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

  • 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. …

  • 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: …

  • Sulfuric acid, Acculute Standard Volumetric Solution, Final Concentration 2.0N

    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: …

  • Sulfamerazine, 98+%

    Alfa Aesar

    Synonym(s): N(1)-(4-Methyl-2-pyrimidinyl)sulfanilamide, 2-Sulfanilamido-4-methylpyrimidine Formula: C11H12N4O2S Formula weight: 264.30 Purity: 98+% CAS Number: 127-79-7 Harmonized Tariff Code:  2933.59

  • 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 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

  • [Sar^9] Substance P

    Alfa Aesar

    Synonym(s): Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Sar-Leu-Met-NH{2} Formula: C64H100N18O13S Formula weight: 1361.67 CAS Number: 77128-75-7 Harmonized Tariff Code:  2933.99

  • 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 hydroxide, pellets, 98%

    Alfa Aesar

    Formula: NaOH Formula weight: 40.00 Purity: 98% CAS Number: 1310-73-2 UN Number: UN1823 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2815.11 Risk Phrases: 35 Causes severe burns. Safety Phrases: 26-37/39-45 In case of contact with eyes, rinse immediately…

  • Sodium nitrate, 98+%

    Alfa Aesar

    Formula: NaNO3 Formula weight: 84.99 Purity: 98+% CAS Number: 7631-99-4 UN Number: UN1498 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  3102.50 Hazard Statements: H272-H302 May intensify fire; oxidizer. Harmful if swallowed. Precautionary Statements: …

  • Streptozotocin, 97+%

    Alfa Aesar

    Synonym(s): NSC-85998, U-9889 Formula: C8H15N3O7 Formula weight: 265.22 Purity: 97+% CAS Number: 18883-66-4 Harmonized Tariff Code:  2941.90 Hazard Statements: H351 Suspected of causing cancer. Precautionary Statements: P281-P201-P202-P308+P313-P405-P501a Use personal…

  • Sodium triacetoxyborohydride, 95%

    Alfa Aesar

    Synonym(s): STAB Formula: Na(CH3CO2)3BH Formula weight: 211.94 Purity: 95% CAS Number: 56553-60-7 UN Number: UN3396 Hazard Class: 4.3 Packing Group: III Harmonized Tariff Code:  2915.29 Hazard Statements: H261-H228-H318-H335-H315 In contact with water releases flammable…

  • 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 thiosulfate, anhydrous, 99%

    Alfa Aesar

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

  • Sodium hydroxide, Acculute Standard Volumetric Solution, Final Concentration 0…

    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: …

  • Stearic acid, 90+%

    Alfa Aesar

    Synonym(s): Octadecanoic acid Formula: CH3(CH2)16CO2H Formula weight: 284.48 Purity: 90+% 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…

  • Sodium chlorite, tech. nominally 80%

    Alfa Aesar

    Formula: ClNaO2 Formula weight: 90.44 Purity: tech. nominally 80% CAS Number: 7758-19-2 UN Number: UN1496 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2828.90 Hazard Statements: H272-H301-H310-H314 May intensify fire; oxidizer. Toxic if swallowed. Fatal in…

  • Starch, soluble, ACS (for iodometry)

    Alfa Aesar

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

  • 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…

  • 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…

  • Sodium borate, 0.5M buffer soln., pH 8.5

    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…

  • Sodium nitrite, 0.1M Standardized Solution

    Alfa Aesar

    Formula: NNaO2 Formula weight: 69.00 CAS Number: 7632-00-0 Harmonized Tariff Code:  2834.10

  • Sodium acetate, 3M aq. soln., pH 5.2, RNAse free

    Alfa Aesar

    Formula: C2H3NaO2 Formula weight: 82.03 CAS Number: 127-09-3 Harmonized Tariff Code:  2915.29

  • Sodium metasilicate pentahydrate, tech.

    Alfa Aesar

    Formula: Na2SiO3 5H2O Formula weight: 212.14 (122.06anhy) CAS Number: 10213-79-3 UN Number: UN3253 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2839.11 Hazard Statements: H314-H318-H302-H335 Causes severe skin burns and eye damage. Causes serious eye damage.…

  • Substance P

    Alfa Aesar

    Synonym(s): Arg-Pro-Lys-Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2 Formula: C63H98N18O13S Formula weight: 1347.64 CAS Number: 33507-63-0 Harmonized Tariff Code:  2933.99

  • Silicon powder, -325 mesh, 99.999% (metals basis)

    Alfa Aesar

    Purity: 99.999% (metals basis) CAS Number: 7440-21-3 UN Number: UN1346 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Cod

  • Sodium sulfite, ACS, 98.0% min

    Alfa Aesar

    Formula: Na2SO3 Formula weight: 126.04 Purity: 98.0% min 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.

  • 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;…

  • 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 1-hexanesulfonate monohydrate, 99%

    Alfa Aesar

    Synonym(s): 1-Hexanesulfonic acid sodium salt monohydrate Formula: C6H13NaO3S H2O Formula weight: 206.24 (188.22anhy) Purity: 99% CAS Number: 207300-91-2 Harmonized Tariff Code:  2904.10

Compare Tool

Select up to 3 products

Please Log In

Don't have an Account? Create one now.