Reagents, P, MilliporeSigma, 500 g
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Polyvinylpyrrolidone
MilliporeSigmaK 30, average Mw 40,000 Synonym(s): ‘Plasdone'; PVP; Polyvidone; Povidone Linear Formula: (C6H9NO)n MDL Number: MFCD00149016 RTECS No.: TR8370000
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Plate Count Agar, Granulated
MilliporeSigmaMainly used to determine the total microbial count of milk, dairy products, water and other materials. Synonym(s): Casein-peptone Dextrose Yeast Agar, Standard Methods Agar Typical Composition (g/L): Peptone from casein 5.0; yeast extract 2.5; D(+)glucose 1.0; agar-agar 14.0 Preparation: 22.5g/L
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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: ClK Molecular Weight: 74.55 Linear Structural Formula: KCl MDL Number: MFCD00011360 Purity: >=99% Melting Point: 770 C (lit.) Density: 1.98 g/mL at 25 C (lit.) Application: May be used for the preparation of phosphate buffered…
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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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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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Potassium hexacyanoferrate(III), ACS reagent, =99.0%
MilliporeSigmaSynonyms: Potassium ferricyanide; Red prussiate Formula: K3Fe(CN)6 Formula Weight: 329.24 CAS No.: 13746-66-2 Purity: ≥99.0% Supplemental Hazard Statements: Contact with acids liberates very toxic gas. Packaging: 100, 500 g in poly…
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Synonym(s): Potassium biborate Empirical Formula: B4K2O7 -+ 4H2O Linear Formula: K2B4O7 -+ 4H2O Formula Weight: 305.50 MDL Number: MFCD00149924 Purity: ≥99.5%
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Phosphorus pentoxide, powder, ACS reagent, >=98.0%
MilliporeSigmaSynonyms: Phosphoric anhydride; Phosphorus(V) oxide CAS Number: 1314-56-3 Formula: O5P2 Formula Weight: 141.94 Linear Formula: P2O5 Purity: >=98.0% Melting Point: 340 C (lit.) Density: 2.3 g/mL at 25 C(lit.) EC Number: 215-236-1 UNSPSC Code: 12352300 General…
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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 Pyrogallol, =98% (HPLC)
MilliporeSigmaSynonyms: 1,2,3-Trihydroxybenzene Formula: C6H3(OH)3 Formula Weight: 126.11 CAS No.: 87-66-1 Purity: ≥98% (HPLC) Quality: May contain black specks.
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Potassium hydrogen phthalate, BioXtra, =99.95%
MilliporeSigmaSynonyms: Potassium phthalate monobasic; KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate Formula: HOOCC6H4COOK Formula Weight: 204.22 CAS No.: 877-24-7 Purity: ≥99.95% Packaging: 100, 500 g in poly bottle
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GR ACS Potassium Iodide, Crystals
MilliporeSigmaFormula: KI Formula Weight: 166.00 CAS Number: 7681-11-0
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Proteose-Peptone
MilliporeSigmafor microbiology Synonym(s): Peptone from bovine meat; Peptone Proteose
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Potassium persulfate, ACS reagent, =99.0%
MilliporeSigmaSynonyms: Potassium peroxodisulfate Formula: K2S2O8 Formula Weight: 270.32 CAS No.: 7727-21-1 Purity: ≥99.0% Packaging: 100, 500 g in poly bottle Packaging: 5 g in glass bottle
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Synonym(s): Metol Formula: C7H9NO · 1/2H2SO4 Formula Weight: 172.19 CAS No.: 55-55-0 UN Number: UN3077 Purity: 99%; 99.0-101.5% (ACS specification) Legal Information: ECOL is a trademark of Sigma-Aldrich Co. LLC Packaging: 100, 500…
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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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Molecular Formula: IK Molecular Weight: 166.0 Linear Structural Formula: KI MDL Number: MFCD00011405 Purity: >=99% Melting Point: 681 C (lit.) Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Synonym(s): Polystyrene- block -polyisoprene, multi-arm Linear Formula: [CH2CH(C6H5)]X[CH2CH=C(CH3)CH2]Y[CH2CH(C6H5)]z MDL Number: MFCD00217755 Density: …
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Phenol is an aromatic alcohol. Various industrial processes for the synthesis of phenol have been proposed. Synonyms: Hydroxybenzene Molecular Formula: C6H6O Molecular Weight: 94.11 Linear Structural Formula: C6H5OH MDL Number: MFCD00002143 Purity: >=99.5% (GC); 99.0-100.5%…
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EMSURE® Potassium Sulfate For Analysis
MilliporeSigmaSynonyms: Potassium sulfate; Potassium pyrosulfate Molecular Formula: K2O4S Molecular Weight: 174.26 Linear Structural Formula: K2O4S MDL Number: MFCD00011388 Purity: >=99.0% (alkalimetric) Melting Point: 1069 C Density: 2.66 g/cm3 at 20 C Legal Information: …
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Potassium acetate, BioXtra, =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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ALDRICH Poly(ethylene glycol), average mol wt 8,000, powder
MilliporeSigmaSynonym(s): PEG Linear Formula: H(OCH2CH2)nOH MDL Number: MFCD00081839
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Synonyms: Tripotassium phosphate Molecular Formula: K3O4P Molecular Weight: 212.27 Linear Structural Formula: K3PO4 MDL Number: MFCD00036295 Purity: >=98% Density: 2.564 g/mL at 25 C (lit.) Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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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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Synonyms: Caustic potash Molecular Formula: HKO Molecular Weight: 56.11 Linear Structural Formula: KOH MDL Number: MFCD00003553 Purity: 90% Melting Point: 361 C (lit.) Application: Redi-Dri(TM) is an innovative packaging product line that helps eliminate clumping…
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Synonyms: Potassium peroxodisulfate Molecular Formula: K2O8S2 Molecular Weight: 270.32 Linear Structural Formula: K2S2O8 MDL Number: MFCD00011386 Purity: >=99.0% Application: Redi-Dri(TM) is an innovative packaging product line that helps eliminate clumping material by…
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Synonym(s): Antimony potassium tartrate Formula: C8H4K2O12Sb2 · xH2O Formula Weight: 613.83 (anhydrous basis) CAS No.: 331753-56-1 UN Number: UN1551 Purity: ≥99% Density: 2.6g/mLat 25°C(lit.) …
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Poly(ethylene glycol) average Mn 300
MilliporeSigmaSynonym: PEG CAS Number: 25322-68-3 Linear Formula: H(OCH2CH2)nOH MDL Number: MFCD00081839 PubChem Substance ID: 24852059 Packaging 1 kg in glass bottle; 20 kg in poly drum; 5, 250, 500 g in glass bottle
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Synonym: Pepsin A, Pepsin from hog stomach CAS Number: 9001-75-6 EC Number: 232-629-3 Enzyme Commission (EC) Number: 3.4.23.1 MDL Number: MFCD00081840 Analysis Note Optimum pH is 2-4. Active in 4 M urea and 3 M guanidine HCl. Stable at 60 °C. Pepsin is irreversibly…
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Synonyms: Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate Formula: K2HPO4 Formula Weight: 174.18 CAS No.: 7758-11-4