White crystalline powder Formula: C₄H₁₁NO₃   Formula Weight: 121.14 Grade: Reagent  CAS #: 77-86-1 A 40% (w/v) aqueous solution. It is clear and colorless. Assay: >99.9% Water: .<0.2% Heavy…

Citric acid and Sodium citrate 0.1M pH range: 4.6-6.2

(Phosphate Mixed Sodium Salts) CAS #: 10049-21-5,  7782-85-6, 22800-01/05 Sorensen, see Dawson et. al, (1969) Sodium Phosphate, dibasic (Na₂HPO₄xH₂O) Sodium Phosphate, monobasic (NaH₂PO₄xH₂O) 0.2M, pH range 5.8…

Prepared from Sodium Cacodylate Trihydrate (F.W. 214.02)

(3-(N-Morpholino) propanesulfonic acid) pH range: 6.5-7.9 CAS #: 1132-61-2

Citric acid and Sodium citrate 0.1M pH range: 4.6-6.2

1,4 Piperazine bis (2-ethanosulfonic acid) Useful pH range: 6.4 - 7.2 pH: K = pH = 6.8 @25°C CAS #: 10010-67-0 PIPES is a hydrogen-ion organic-based buffer, used in the preparation of a variety of mammalian tissues for EM. It produces excellent results in the…

PBS is commonly used in biochemistry. It is a salty solution containing calcium chloride, sodium phosphate and potassium phosphate. PBS is isotonic and non-toxic to cells. 1X PBS final concentration is 0.137M NaCl, 0.01M Na2HPO4, 0.0027M KCl and pH 7.4.

Sodium dimethyl arsenate Formula: C₂H₆AsNaO₂ . 3H₂O   Formula Weight: 214.02 CAS #: 124-65-2 UN #: UN1688

All of our Dullbecco's Phosphate Buffer Saline Solutions contain: Potassium Chloride, Potassium Phosphate Monobasic, Sodium Chloride, Sodium Phosphate Dibasic, and D-Glucose. Some formulations may contain additional components. Use the table below as a quick reference for identifying the one…

Acetic Acid and Sodium Acetate 0.2M pH range: 3.6-5.6

Immunoassay buffer is supplied as 10X solution.  It is used as 1X in all immunoassays (Immunofluorescence, IHC, ELISA, WB, etc.) as a washing buffer and can be used as dilution buffer for antibodies; however it does not contain any carrier proteins.  This buffer does not contain any…

Universal Antibody Dilution Buffer is ready to use for dilution of antibodies in all immunoassays (Immunofluorescence, IHC, ELISA, WB).  This buffer does not contain any mammalian proteins, phosphate, sodium azide or mercury preservative and can be used for dilution of all antibodies,…

Tris Maleate Buffer 0.2M pH range: 6.4-8.0

(N-2-Hydroxyethylpiperazine-N'-2-Ethanesulfonic acid) Good's buffer. Formula: C₈H₁₈O₄N₂S   Formula Weight: 238.30   CAS #: 7365-45-9 Assay: >99%

Millonig (1964); Karlsson and Schultz (1965) Ingredients: Sodium Phosphate, monobasic (NaH₂PO₄xH₂O) Sodium Phosphate, dibasic (Na₂HPO₄xH₂O) 0.5% Sodium Chloride (NaCl) Shipping Conditions: Ambient Temperature

2,4,6-Trimethylpyridine Formula: N:C(CH₃)CH:C(CH₃)CH:CCH₃   CAS #: 108-75-8   Formula Weight: 121.18 pH: 7.4 Bennett & Luft., Biophys & Biochem. Cytol., 6,113 (1959). A very stable buffer, used with…

This ready-to-use Antibody Dilution Buffer is designed for the dilution of antibodies in all immunoassays, including immunofluorescence, IHC, ELISA, WB. This buffer contains immunoglobulin free BSA and does not contain phosphate, sodium azide, or mercury preservatives. It can be used for the…