Reagents, P, 5 kg
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o-Phenylenediamine, 98%
Thermo Scientific ChemicalsSynonym(s): 1,2-Diaminobenzene Formula: C6H8N2 Formula weight: 108.14 Purity: 98% CAS Number: 95-54-5 UN Number: UN1673 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2921.51 Risk Phrases: 20/21-25-36-40-43-68-50/53 Harmful by inhalation and in contact…
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Potassium carbonate, ReagentPlus®, 99%
MilliporeSigmaFormula: K2CO3 Formula Weight: 138.21 CAS No.: 584-08-7 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 1, 2.5 kg in poly bottle Packaging: 12, 50 kg in fiber drum Packaging: 5 kg in poly drum
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Potassium hydrogen L-tartrate, 98+%
Thermo Scientific ChemicalsSynonym(s): L-Tartaric acid monopotassium salt, Potassium bitartrate Formula: C4H5KO6 Formula weight: 188.18 Purity: 98+% CAS Number: 868-14-4 Harmonized Tariff Code: 2918.13
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Phenolphthalein White ; >/= 99%
AFG BioscienceSynonyms: 3,3-Bis(p-hydroxyphenyl)phthalide3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone Purity Limit: ≥ 99% CAS No.: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight: 318.33 MDL No.: MFCD00005913 Appearance: A white powder, odorless Melting Point: 256-265°C Storage…
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Phenothiazine, 98+%
Thermo Scientific ChemicalsFormula: C12H9NS Formula weight: 199.28 Purity: 98+% CAS Number: 92-84-2 Harmonized Tariff Code: 2934.30 Hazard Statements: H319-H317 Causes serious eye irritation. May cause an allergic skin reaction. Precautionary Statements: P261-P280-P305+P351+P338-P363-P321-P501a Avoid…
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Potassium sodium tartrate tetrahydrate, ReagentPlus®, =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% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC …
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Potassium sulfate ; ACS reagent ; >/= 99.0% (Titration)
AFG BioscienceGrade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7778-80-5 Molecular Formula: K2SO4 Molecular Weight: 174.3 MDL No.: MFCD00011388 Appearance: White crystals Comments: Kjeldahl analysis. Melting Point: 1069 °C (Approx.) Storage Temperature: Store at RT
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p-Dichlorobenzene, Crystal
Spectrum ChemicalCAS No.: 106-46-7 UN No.: UN3077 Class: 9 Pkg. Group: PG III
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Synonyms: 3-Bromo-1-propyne CAS Number: 106-96-7 Formula: C3H3Br Formula Weight: 118.96 Linear Formula: HC///CCH2Br MDL No.: MFCD00000241 Boiling Point: 88-90 C Density: 1.335 g/mL at 25 C Refractive Index: n20/D 1.494 Storage: 2-8C Beilstein Registry Number: 605309 …
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p-Tolyl phenylacetate >=99%
MilliporeSigmaMolecular Formula: C15H14O2 Molecular Weight: 226.27 Linear Structural Formula: C6H5CH2CO2C6H4CH3 MDL Number: MFCD00025983 Purity: >=99% Melting Point: 74-76 C (lit.) Other Notes: Download our Flavors and Fragrances Catalog to view our entire product line.Subscribe to our…
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Poly(ethylene glycol)Average Mn 600, Moist waxy solid
AFG BioscienceSynonyms: PEG CAS No.: 25322-68-3 MDL No.: MFCD00081839 Appearance: Solid to viscous liquid Melting Point: 20-25 °C Storage Temperature: Store at RT
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Potassium bromide, ACS, 99% min
Thermo Scientific ChemicalsFormula: KBr Formula weight: 119.01 Purity: 99% min CAS Number: 7758-02-3 Harmonized Tariff Code: 2827.51
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Synonyms: Potassium ferricyanide Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 13746-66-2 Molecular Formula: K3Fe(CN)6 Molecular Weight: 329.2 MDL No.: MFCD00011392 Appearance: Ruby red crystals Comments: Used as mild oxidizing agent. Density: 1.89 …
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Pectin, 99% (Assay)
AFG BioscienceCAS # 9000-69-5 Synonyms: Apple PectinPolygalacturonic acid methyl ester MDL No.: MFCD00081838 Purity Limit: 99% (Assay) Storage Temp: Store at 0-8°C
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ALDRICH Phenethyl 2-methylbutyrate, >=95%, FCC
MilliporeSigmaSynonym(s): Benzyl carbinyl ethyl methyl acetate Empirical Formula: C13H18O2 Linear Formula: C2H5CH(CH3)CO2CH2CH2C6H5 Formula Weight: 206.28 MDL Number: MFCD00061557…
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SIAL Potassium hydroxide
Honeywell Research Chemicalspuriss. p.a., Reag. Ph. Eur., ≥85%, pellets Synonym(s): Caustic potash Empirical Formula: HKO Formula Weight: 56.11 Linear Formula: KOH MDL Number: MFCD00003553 Purity: ≥85% Melting Point: 361 °C(lit.) RTECS No.: TT2100000 RIDADR: UN 1813 8 / PGII
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3-Phenyl-1-propanol, 99%
Thermo Scientific ChemicalsSynonym(s): Hydrocinnamyl alcohol Formula: C9H12O Formula weight: 136.19 Purity: 99% CAS Number: 122-97-4 Harmonized Tariff Code: 2906.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…
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Palatinose ; >/= 98% (HPLC)
AFG BioscienceSynonyms: Isomaltulose6-O-a-D-Glucopyranosyl-D-fructose Purity Limit: ≥ 98% (HPLC) CAS No.: 13718-94-0 Molecular Formula: C12H22O11 Molecular Weight: 342.3 MDL No.: MFCD00076094 Appearance: White to off-white powder Melting Point: 118-127 °C Optical Rotation: [a]D20 =…
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Grade: USP Purity Limit: 99.0-101.5% (Titration: Anhydrous basis) CAS No.: 7681-11-0 Molecular Formula: KI Molecular Weight: 166 MDL No.: MFCD00011405 Appearance: White crystalline powder Storage Temperature: Store at RT Warnings: Irritant! Moisture sensitive!
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Z-L-4-trans-hydroxyproline ; >/= 98% (HPLC)
AFG BioscienceSynonyms: Z-L-Hyp-OH Purity Limit: ≥ 98% (HPLC) CAS No.: 13504-85-3 Molecular Formula: C13H15NO5 Molecular Weight: 265.3 MDL No.: MFCD00037329 Appearance: White to off white powder Melting Point: 100-110 °C Optical Rotation: [a]D = -52.0 to -57.0º (C=2 in EtOH) Storage…
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Molecular Formula: CK2O3 Molecular Weight: 138.21 Linear Structural Formula: K2CO3 MDL Number: MFCD00011382 Purity: 99% Melting Point: 891 C (lit.) Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Synonyms: Tripotassium phosphate Grade: ACS reagent Purity Limit: ≥ 98% (Titration) CAS No.: 7778-53-2 Molecular Formula: K3PO4 Molecular Weight: 212.27 MDL No.: MFCD00036295 Appearance: White granular powder Comments: It is used as a buffering agent. Density: 2.564…
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Propionaldehyde natural, >=98%, FG
MilliporeSigmaSynonyms: Propanal Molecular Formula: C3H6O Molecular Weight: 58.08 Linear Structural Formula: CH3CH2CHO MDL Number: MFCD00007020 Purity: >=98% Melting Point: -81 C (lit.) Density: 0.805 g/mL at 25 C (lit.) Refractive Index: n20/D 1.362 (lit.) Storage: 2-8C
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Polyvinylpyrrolidone K30
MP BiomedicalsPolyvinylpyrrolidone K 30 is used as thickeners, dispersing agents, detoxicant, complexing agent, lubricants and binders. Polyvinylpyrrolidone is a component of Denhardt′s Solution.
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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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Potassium pyrophosphate, anhydrous, 96% min
Thermo Scientific ChemicalsFormula: K4O7P2 Formula weight: 330.34 Purity: 96% min CAS Number: 7320-34-5 Harmonized Tariff Code: 2835.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …
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ALDRICH Pyruvic acid, >=97%
MilliporeSigmaSynonym(s): α-Ketopropionic acid; 2-Oxopropionic acid Empirical Formula: C3H4O3 Linear Formula: CH3COCOOH Formula Weight: 88.06 MDL Number: MFCD00002585 Purity: ≥97% Boiling Point: 165 °C(lit.) Melting Point: …
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Potassium formate, 99% (water less than 2%)
Thermo Scientific ChemicalsSynonym(s): Formic acid potassium salt Formula: HCO2K Formula weight: 84.12 Purity: 99% (water less than 2%) CAS Number: 590-29-4 Harmonized Tariff Code: 2915.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…
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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 sorbate, 99%
Thermo Scientific ChemicalsSynonym(s): Sorbic acid potassium salt Formula: C6H7KO2 Formula weight: 150.22 Purity: 99% CAS Number: 24634-61-5 Harmonized Tariff Code: 2916.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …