Reagents, P, MilliporeSigma, 500 g
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ALDRICH Poly(ethylene glycol) methyl ether, average Mn 750
MilliporeSigmaSynonym(s): Methoxy poly(ethylene glycol); Polyethylene glycol monomethyl ether; mPEG Linear Formula: CH3(OCH2CH2)nOH MDL Number: MFCD00084416 Density: 1.094 g/mL at 25 °C Refractive Index: n 20/D 1.459
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Synonym(s): PSS Linear Formula: (C8H8O3S)n MDL Number: MFCD00165973 Density: 1.11 g/mL at 25 °C Refractive Index: n 20/D 1.3718
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Potassium phosphate tribasic, reagent grade, =98%
MilliporeSigmaSynonyms: Tripotassium phosphate Formula: K3PO4 Formula Weight: 212.27 CAS No.: 7778-53-2 Purity: ≥98% Density: 2.564 g/mL at 25 °C(lit.) Packaging: 1 kg in poly bottle Packaging: 10 kg in poly drum Packaging: 25, 500 g in poly bottle
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SIGMA Potassium acetate, for molecular biology, =99.0%
MilliporeSigmaFormula: CH3COOK Formula Weight: 98.14 CAS No.: 127-08-2 Purity: ≥99.0% Density: 1.57 g/cm 3 at 25 °C(lit.)
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Potassium carbonate is an inorganic base. It participates as base in the palladacycle catalyzed Heck reaction of chlorobenzene with styrene. Molecular Formula: CK2O3 Molecular Weight: 138.21 Linear Structural Formula: K2CO3 MDL Number: MFCD00011382 Purity: >=98% Melting…
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Potato Dextrose Agar, Granulated
MilliporeSigmaFor the cultivation, isolation and enumeration of yeasts and molds from foodstuffs and other materials. Synonym(s): PDA Typical Composition (g/L): Potato infusion 4.0 (infusion from 300g potatoes); D(+)glucose 20.0; agar-agar 15.0 Preparation: 39.0g/L
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ALDRICH Phenylphosphonic acid, 98%
MilliporeSigmaEmpirical Formula: C6H7O3P Linear Formula: C6H5P(O)(OH)2 Formula Weight: 158.09 MDL Number: MFCD00002136 Purity: 98% Melting Point: 162-164 °C(lit.) Beilstein Registry Number: 2245168
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SIGMA Potassium chloride, for molecular biology, =99.0%
MilliporeSigmaFormula: KCl Formula Weight: 74.55 CAS No.: 7447-40-7 Purity: ≥99.0% Density: 1.98 g/mL at 25 °C(lit.) Application: May be used for the preparation of phosphate buffered saline, and for the extraction and solubilization of proteins.
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ALDRICH Pentadecane, Greater Than or Equal to 99%
MilliporeSigmaSynonyms: n-Pentadecane Molecular Formula: C15H32 Molecular Weight: 212.41 Linear Structural Formula: CH3(CH2)13CH3 MDL Number: MFCD00008990 Purity: >=99% Melting Point: 8-10 C (lit.) Density: 0.769 g/mL at 25 C (lit.) Refractive Index: …
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Piperazine, ReagentPlus®, 99%
MilliporeSigmaPiperazine (PZ) is an amine solvent. The ability of aqueous PZ to absorb carbon dioxide (CO2) has been assessed. It is reported to cause paralysis in Ascaris worms. The analysis of the crystal structure of PZ at 150K shows the presence of layered structure with NH...N hydrogen-bonded chains. …
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Potassium sodium tartrate tetrahydrate, ACS reagent, 99%
MilliporeSigmaSynonyms: L(+)-Tartaric acid potassium Sodium salt; Rochelle salt; Seignette salt Formula: KOCOCH(OH)CH(OH)COONa · 4H2O Formula Weight: 282.22 CAS No.: 6381-59-5 Purity: 99%; 99.0-102.0% (ACS specification) Packaging: 100, 500 g in poly bottle;…
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Pseudomonas Agar Base 500G
MilliporeSigmaFormula: Mixture Formula Weight: N/A CAS Number: Synonym(s): Pseudomonas Selective Agar Base Description: Typical Composition (g/L): Peptone from gelatin 20.0; magnesium chloride 1.4; potassium sulfate 10.0; N-cetyl-N,N,N-trimethylammonium bromide (cetrimide) 0.3; agar-agar:…
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Poly(vinyl alcohol) Mw 31,000-50,000, 98-99% hydrolyzed
MilliporeSigmaCAS Number: 9002-89-5 Linear Formula: [-CH2CHOH-]n MDL Number: MFCD00081922 Packaging 1 kg in poly bottle; 25, 500 g in poly bottle
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CAS Number: 584-08-7 Linear Formula: K2CO3 Molecular Weight: 138.21 Beilstein Registry Number: 4267587 EC Number: 209-529-3 MDL Number: MFCD00011382 Packaging 1 kg in poly bottle; 2.5 kg in poly drum Legal Information …
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Poloxamer 188 PRO solid, suitable for cell culture
MilliporeSigmaPoloxamer 188 PRO has been specifically designed for use in cell culture, to improve cell viability and protect cells in suspension against possible damage during subculture, freezing and thawing, and stirring. Synonyms: Poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene…
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"Peptone from gelatin, pancreatic digest"
MilliporeSigmafor microbiology Synonym(s): Peptone from gelatin MDL Number: MFCD00131829
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GR ACS Potassium Iodide, Granular
MilliporeSigmaMolecular Formula: IK Molecular Weight: 166.0 Linear Structural Formula: KI MDL Number: MFCD00011405 Purity: >=99.0% Melting Point: 681 C (lit.) Application: granular, Meets ACS Specifications GR ACS
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Synonyms: Monopotassium phosphate; Potassium dihydrogen phosphate; prim.-Potassium phosphate Formula: KH2PO4 Formula Weight: 136.09 CAS No.: 7778-77-0 Purity: ≥99.0% Density: 2.338 g/mL at 25 °C(lit.)
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ALDRICH Polycaprolactone, average Mn 80,000
MilliporeSigmaSynonym(s): 2-Oxepanone homopolymer; 6-Caprolactone polymer Linear Formula: (C6H10O2)n Melting Point: 60 °C(lit.) Density: 1.145 g/mL at 25 °C
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Molecular Formula: ClKO3 Molecular Weight: 122.55 Linear Structural Formula: KClO3 MDL Number: MFCD00011361 Purity: >=99% Melting Point: 356 C (lit.) Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Synonym(s): maleated copolymer; maleated polymer; maleic copolymer MDL Number: MFCD00134015
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ALDRICH Potassium ethoxide, 95%
MilliporeSigmaEmpirical Formula: C2H5KO Linear Formula: KOC2H5 Formula Weight: 84.16 MDL Number: MFCD00054277 Purity: 95%
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Poly(ethylene glycol), BioXtra, average mol wt 3,350, powder
MilliporeSigmaSynonym: PEG CAS Number: 25322-68-3 Linear Formula: H(OCH2CH2)nOH MDL Number: MFCD00081839 PubChem Substance ID: 24898527
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Potassium hydroxide, ACS reagent, =85%, pellets
MilliporeSigmaSynonyms: Caustic potash Formula: KOH Formula Weight: 56.11 CAS No.: 1310-58-3 Purity: ≥85% Packaging: 1, 2.5, 4 x 2.5 kg in poly bottle Packaging: 12 kg in fiber drum Packaging: 25, 500, 6 x 500 g in poly bottle
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"Potato Dextrose Agar, for microbiology"
MilliporeSigmaSynonyms: Potato Glucose Agar Application: Recommended for the isolation and enumeration of yeasts and molds in dairy products and food. Other Notes: Studies on contamination of yogurt by yeast 1, 2 ; For maintaining the stock culture of Rhodotorula glutinis for the production of…
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Phenyl isothiocyanate, reagent grade, 98%
MilliporeSigmaSynonyms: PITC CAS Number: 103-72-0 Formula: C7H5NS Formula Weight: 135.19 Linear Formula: C6H5NCS MDL No.: MFCD00004798 Purity: 0.98 Boiling Point: 218 C(lit.) Melting Point: -21 C (lit.) Density: 1.132 g/mL at 20 C(lit.) Refractive Index: n20/D 1.6515(lit.) …
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Synonym(s): PSS; Poly(4-styrenesulfonic acid) sodium salt Linear Formula: (C8H7NaO3S)n MDL Number: MFCD00084449 Density: 1.1471 g/mL at 25 °C Refractive Index: n 20/D ~1.3961
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Potassium tert-butoxide, reagent grade, >=98%
MilliporeSigmaSynonyms: Potassium tert-butylate; Potassium t-butoxide CAS Number: 865-47-4 Formula: C4H9KO Formula Weight: 112.21 Linear Formula: (CH3)3COK MDL No.: MFCD00012162 Purity: >=98% Melting Point: 256-258 C (dec.) (lit.) Beilstein Registry Number: 3556712 EC Number: …
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Synonym(s): PSS; Poly(4-styrenesulfonic acid) sodium salt Linear Formula: (C8H7NaO3S)n MDL Number: MFCD00084449 Melting Point: 460 °C (dec.) Density: 0.801 g/mL at 25 °C(lit.)
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ALDRICH 1,5-Pentanediol, 96%
MilliporeSigmaSynonym(s): Pentamethylene glycol Formula: HO(CH2)5OH Formula Weight: 104.15 CAS No.: 111-29-5 Purity: 96% Density: 0.994g/mLat 25°C(lit.) Packaging: 100, 500 g in poly bottle