Reagents, P, Bottle, Poly, MilliporeSigma, Supplies
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Potassium ethyl xanthogenate, 0.96
MilliporeSigmaSynonyms: O-Ethylxanthic acid potassium salt; KEX; Potassium O-ethyl dithiocarbonate; Potassium xanthogenate CAS Number: 140-89-6 Formula: C3H5KOS2 Formula Weight: 160.3 Linear Formula: C2H5OCSSK MDL No.: MFCD00004931 Purity: 0.96 Melting Point: 210 C (dec.) (lit.) Beilstein…
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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 2-Phenylimidazole, 98%
MilliporeSigmaFormula: C9H8N2 Formula Weight: 144.17 CAS No.: 670-96-2 Purity: 98% Packaging: 25 g in poly bottle
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Synonym(s): 1,3-Benzenediamine; 1,3-Diaminobenzene; 1,3-Phenylenediamine; MPDA Formula: C6H4-1,3-(NH2)2 Formula Weight: 108.14 CAS No.: 108-45-2 UN Number: UN1673 Purity: ≥99% Other Notes: May darken in storage Legal…
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GR ACS Potassium Phosphate, Dibasic
MilliporeSigmaFormula: K2HPO4 Formula Weight: 174.18 CAS Number: 04/11/7758 Synonym(s): Potassium Hydrogen Phosphate
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GR ACS Potassium Hydrogen Phthalate
MilliporeSigmaSynonyms: Potassium Hydrogen Phthalate; Potassium Biphthalate, Potassium Acid Phthalate Molecular Formula: C8H5KO4 Molecular Weight: 204.22 Linear Structural Formula: C8H5KO4 MDL Number: MFCD00013070 Purity: 99.95-100.05% dry basis Melting Point: 295-300 C…
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Synonyms: Peptone from casein (Tryptone); Fermtech base materials for biotechnology Purity: 12.0-14.0% amino-nitrogen basis (purity)
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ALDRICH Poly(ethylene glycol), average mol wt 1,450
MilliporeSigmaSynonym(s): PEG Formula: H(OCH2CH2)nOH CAS No.: 25322-68-3 Packaging: 500 g in poly bottle
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ALDRICH 1,10-Phenanthroline, Greater Than or Equal to 99%
MilliporeSigmaFormula: C12H8N2 Formula Weight: 180.21 CAS No.: 66-71-7 UN Number: UN2811 Purity: ≥99% Application: Versatile ligand employed in the spectrophotometric determination of metals and photocatalytic reduction of carbon dioxide. Building block for…
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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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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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Synonym(s): 1,3,5-Trihydroxybenzene Formula: C6H6O3 Formula Weight: 126.11 CAS No.: 108-73-6 Purity: ≥99.0% (HPLC) Packaging: 25, 100 g in poly bottle
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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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Potassium Phosphate 500G
MilliporeSigmaCAS number: 7778-77-0 Grade: Meets ACS Specifications Chemical formula: KH2PO4 Molar Mass: 136.09 Synonyms: Potassium Dihydrogen Phosphate
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ALDRICH Potassium L-tartrate monobasic, 99%
MilliporeSigmaSynonym(s): L(+)-Tartaric acid monopotassium salt; Potassium bitartrate; Potassium hydrogen L-tartrate; Potassium hydrogen tartrate; Tartaric acid monopotassium salt Formula: KO2CCH(OH)CH(OH)CO2H Formula Weight: 188.18 CAS No.: 868-14-4 Purity: 99% Density: …
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ALDRICH 4-Pyridinemethanol, 99%
MilliporeSigmaSynonym(s): ω-Hydroxy-4-picoline; 4-(Hydroxymethyl)pyridine; 4-Pyridyl carbinol Formula: C6H7NO Formula Weight: 109.13 CAS No.: 586-95-8 Purity: 99% Storage: 2-8°C Packaging: 25, 100 g in poly bottle
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ALDRICH N-(3-Bromopropyl)phthalimide, 98%
MilliporeSigmaFormula: C11H10BrNO2 Formula Weight: 268.11 CAS No.: 5460-29-7 Purity: 98% Packaging: 25, 100 g in poly bottle
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Potassium borohydride, 0.98
MilliporeSigmaSynonyms: Potassium tetrahydroborate CAS Number: 13762-51-1 Formula: H4BK Formula Weight: 53.94 Linear Formula: KBH4 MDL No.: MFCD00011396 Purity: 0.98 Melting Point: 500 C (dec.) (lit.) Density: 1.18 g/mL at 25 C(lit.) EC Number: 237-360-5 UNSPSC Code: 12352000 …
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OmniPur® 10X PBS Liquid Concentrate
MilliporeSigmaFormula: NaCl 137mM, KCl 2.7mM, Phosphate buffer 10mM (Na2HPO4/KH2PO4 pH7.4) on 10X diln Synonym(s): Phosphate Buffered Saline
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GR ACS Potassium Iodide, Crystals
MilliporeSigmaFormula: KI Formula Weight: 166.00 CAS Number: 7681-11-0
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OmniPur® Tween® 80 (Polyoxyethylene (20) Monooleate)
MilliporeSigmaFormula: Oleate ester of sorbitol and anhydrides copolymer with ethylene oxide Formula Weight: 1309.68 CAS Number: 9005-65-6 Synonym(s): Polyoxyethylene Sorbitan Monooleate, Tween ; 80
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Pentaerythritol For Synthesis
MilliporeSigmaCAS No.: 115-77-5 pH: 3.5 - 4.5 (100 g/l, H2O, 35°C) Solubility: 72.3 g/l (25°C) Melting Point: 256 - 258°C Molar Mass: 136.14 g/mol Bulk Density: 750 - 850 kg/m3 Boiling Point: 276°C (40 hPa) Vapor Pressure: Density: 1.39 g/cm3 (20°C) Ignition Point: 490°C
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Peptone from Meat (Peptic), Granulated
MilliporeSigmaFormula: Mixture Formula Weight: N/A Description: Typical Analysis: Sulfated ash (800 ;C) =15.0%; amino nitrogen 4.0-6.0%; total nitrogen (Kjeldahl) 12.0-14.0%; loss on drying (105 ;C) =6.0%; pH (5%, water) 6.5-7.5; suitability for microbiology: conforms. Application: Peptone from meat…
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ALDRICH Phthalhydrazide, ReagentPlus®, 99%
MilliporeSigmaSynonym(s): 2,3-Dihydro-1,4-phthalazinedione Formula: C8H6N2O2 Formula Weight: 162.15 CAS No.: 1445-69-8 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 25 g in poly bottle
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Palladium Matrix Modifier For Graphite Furnace Aas
MilliporeSigmaUN No.: 2031 pH: (H2O, 25°C) acidic Solubility: (20°C) soluble Density: 1.11 g/cm3 (20°C) Ignition Point: (H2O, 25°C) acidic
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ALDRICH Pyridinium p-toluenesulfonate, 98%
MilliporeSigmaSynonym(s): p -Toluenesulfonic acid pyridine salt; PPTS; Pyridine p -toluenesulfonate Formula: C12H13NO3S Formula Weight: 251.30 CAS No.: 24057-28-1 Purity: 98% Application: As a co-catalyst with L -proline improved both yield and…
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ALDRICH 1-Phenyl-1,3-butanedione, 99%
MilliporeSigmaSynonym(s): Benzoylacetone Formula: C6H5COCH2COCH3 Formula Weight: 162.19 CAS No.: 93-91-4 Purity: 99% Density: 1.09g/mLat 25°C(lit.) Packaging: 10, 50, 250 g in poly bottle
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ALDRICH Pyridine hydrochloride, 98%
MilliporeSigmaSynonym(s): Pyridinium chloride Formula: C5H5N · HCl Formula Weight: 115.56 CAS No.: 628-13-7 Purity: 98% 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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Potassium, chunks (in mineral oil), 98% trace metals basis
MilliporeSigmaCAS Number: 2023695 Formula: K Formula Weight: 39.1 Linear Formula: K MDL No.: MFCD00133776 Purity: 98% trace metals basis Boiling Point: 760 C(lit.) Melting Point: 64 C (lit.) Density: 0.86 g/mL at 25 C(lit.) UNSPSC Code: 12352000 Application: Potassium can be used in…
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ALDRICH Phenylacetaldehyde, Greater Than or Equal to 90%
MilliporeSigmaSynonym(s): α-Tolyaldehyde Formula: C6H5CH2CHO Formula Weight: 120.15 CAS No.: 122-78-1 Purity: ≥90% Density: 1.027g/mLat 25°C Application: Used together with acetic anhydride and allyltrimethylsilane (208264) in a…
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ALDRICH Pyrazole, 98%
MilliporeSigmaSynonym(s): 1,2-Diazole Formula: C3H4N2 Formula Weight: 68.08 CAS No.: 288-13-1 Purity: 98% Application: Used as a ligand to prepare organometallic compounds. 1, Packaging: 25, 100 g in poly bottle