Reagents, P, 500 mL
-
Polysorbate 80
Thermo Scientific ChemicalsSynonym(s): Polyoxyethylene sorbitan monooleate CAS Number: 9005-65-6 Harmonized Tariff Code: 3402.13
-
Phosphate, 0.5M buffer soln., pH 9.0
Thermo Scientific ChemicalsCAS Number: 7558-80-7 Harmonized Tariff Code: 2835.22
-
Phosphate Buffered Saline pH 7.2, liquid, sterile-filtered
MilliporeSigmaPhosphate-buffered saline (PBS) is a buffer solution used in biological research. It is a water-based salt solution containing sodium phosphate, sodium chloride and, in some formulations, it contains potassium chloride and potassium phosphate. The osmolality and ion concentrations of the solutions…
-
Polysorbate 20 Cell Culture Reagent
MP BiomedicalsPolysorbate 20 is typically used as an emulsifying agent for the preparation of stable oil-in-water emulsions, particularly in pharmaceutical applications. It is also used in pre-extraction of membranes to remove peripheral proteins & as a blocking agent on nitrocellulose at a typical…
-
Potassium phosphate, 0.5M buffer soln., pH 7.4
Thermo Scientific ChemicalsCAS Number: 7778-77-0 Harmonized Tariff Code: 2835.24
-
Propargyl alcohol, 99%
Thermo Scientific ChemicalsSynonym(s): 2-Propyn-1-ol Formula: C3H4O Formula weight: 56.06 Purity: 99% CAS Number: 107-19-7 UN Number: UN2929 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2905.29 Hazard Statements: H301-H311-H331-H314-H226 Toxic if swallowed. Toxic in contact with…
-
Potassium chloride, 0.0375M, Conductivity Standard
Thermo Scientific ChemicalsFormula: KCl, 5000^mmho 25^o Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code: 3822.00
-
PIPES, 1.0M buffer soln., pH 6.8
Thermo Scientific ChemicalsCAS Number: 5625-37-6 Harmonized Tariff Code: 2933.59
-
Ricca 15% (w/v) Potassium Carbonate
Ricca ChemicalThe Ricca Chemical potassium carbonate with a composition of 86.73% water and 13.27% potassium carbonate, is suitable for use in glass, soap and pharmaceutical industries. It can be stored at a temperature of 15 to 30 degree C.
-
Application: p-Nitrophenyl phosphate (p-NPP) is the customary product utilized for the assay of alkaline phosphatase. It is usually supplied in tablet or powder form and is dissolved in an appropriate buffer immediately prior to assay. Liquid p-NPP concentrates are also available, but must also be…
-
UN No.: UN1219 Class: 3 Pkg. Group: PG II
-
Perchloric Acid Redistilled
GFS ChemicalsHCIO4 F.W.: 100.46 NFPA#: 3-0-1 Specific Gravity: 1.660 DOT: 1/8/I Descriptions: Trace metal grade. Low ppb metal impurities. Note: Results reported at time of bottling in glass. The levels of Al, B, Ca, K, Mg, Mn, Na, and Si will increase over time.
-
Potassium chloride, 0.159M, Conductivity Standard
Thermo Scientific ChemicalsFormula: KCl, 20000^mmho 25^o Formula weight: 74.55 CAS Number: 7447-40-7 Harmonized Tariff Code: 3822.00
-
Piperonylbutoxide technical grade, 90%
MilliporeSigmaPiperonylbutoxide is a safe insecticide for household and field. Effect of piperonyl butoxide, a synthetic methylenedioxyphenyl inhibitor of cytochrome(s) P450, on the toxicity of organophosphate insecticides to cladoceran test species (Ceriodaphnia dubia, Daphnia magna and Daphnia pulex) has been…
-
Paraformaldehyde, Prepared Fixatives
Electron Microscopy SciencesIn addition to our complete line of Formaldehyde solutions we have now added to the line.
-
Phenetole, 98+%
Thermo Scientific ChemicalsSynonym(s): Ethoxybenzene, Ethyl phenyl ether Formula: C8H10O Formula weight: 122.17 Purity: 98+% CAS Number: 103-73-1 UN Number: UN3271 Hazard Class: 3 Packing Group: III Harmonized Tariff Code: 2909.30 Hazard Statements: H226 Flammable liquid and vapour. …
-
SIAL Phenyl isothiocyanate
MilliporeSigmafor HPLC derivatization, the detection of alcohols and amines, ≥99.0% Synonym(s): PITC Empirical Formula: C7H5NS Formula Weight: 135.19 Linear Formula: C6H5NCS MDL Number: MFCD00004798 Purity: ≥99.0% Boiling Point: …
-
-
Pyrrolidine, 99%
Thermo Scientific ChemicalsFormula: C4H9N Formula weight: 71.12 Purity: 99% CAS Number: 123-75-1 UN Number: UN1922 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2933.99 Hazard Statements: H225-H314-H318-H302-H332 Highly flammable liquid and vapour. Causes severe skin burns and eye…
-
-
Potassium phosphate, 0.5M buffer soln., pH 7.0
Thermo Scientific ChemicalsCAS Number: 7778-77-0 Harmonized Tariff Code: 2835.24
-
SIAL Pyridine
MilliporeSigmapuriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% (GC) Empirical Formula: C5H5N Formula Weight: 79.10 Linear Formula: C5H5N MDL Number: MFCD00011732 Purity: ≥99.5% (GC) Boiling Point: 115 °C(lit.) Melting…
-
-
Phenolphthalein Indicator, 0.08% (w/v) in Methanol
Ricca ChemicalFormula: C20H14O4 in Methanol Formula Weight: 318.33
-
Potassium dichromate, 0.25N Standardized Solution
Thermo Scientific ChemicalsFormula: Cr2K2O7 Formula weight: 294.18 CAS Number: 7778-50-9 UN Number: UN3287 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2841.50 Hazard Statements: H272-H331-H334-H340-H350-H360-H372-H314-H302-H317 May intensify fire; oxidizer. Toxic if inhaled. May cause…
-
Contains about 20 ppm Citric Acid as a Preservative Formula: C6H5OH Formula Weight: 94.11 CAS Number: 108-95-2
-
3-(Dimethylamino)-1-propylamine, 0.99
MilliporeSigmaSynonyms: N,N-Dimethyl-1,3-diaminopropane; N,N-Dimethyl-1,3-propanediamine CAS Number: 109-55-7 Formula: C5H14N2 Formula Weight: 102.18 Linear Formula: (CH3)2N(CH2)3NH2 MDL No.: MFCD00008216 Purity: 0.99 Boiling Point: 133 C(lit.) Density: 0.812 g/mL at 25 C(lit.) …
-
Phosphate, 1000 ppm PO4 (326 ppm P)
Ricca ChemicalFormula: KH2PO4 Formula Weight: 136.09 CAS Number: 7778-77-0
-
Polyethyleneimine 50% Aqueous Solution
MP BiomedicalsPolyethyleneimine is a branched chain polymer having a ratio of 1:2:1 of primary:secondary:tertiary amines with a branching site every 3 to 3.5 nitrogen atoms and a base structure of (CH2CH2NH)x. The nitrogen atoms must be protonated to achieve cationic charge, so the cationic…
-
ALDRICH Poly(ethylene glycol) diacrylate, average Mn 700
MilliporeSigmaSynonym(s): PEG diacrylate MDL Number: MFCD00081876 Melting Point: 12-17 °C Density: 1.12 g/mL at 25 °C Refractive Index: n 20/D 1.47 Storage: 2-8°C