Reagents, D

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Reagents, D

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  • Drierite Drying Agent (Anhydrous Calcium Sulfate), Indicating Grade

    W.A. Hammond Drierite Co.

    Indicating Drierite is impregnated with cobalt chloride. Indicating Drierite is blue when dry and changes to pink upon absorption of moisture. The color change is pronounced and clearly visible. This makes Indicating Drierite valuable when it is necessary to know with certainty that dryness is…

  • ALDRICH Di-tert-butylphenylphosphine, 95%


    Synonym(s): Bis(trimethylaluminum)-DABCO ® adduct; DABAL-Me3; DABAL-trimethylaluminum; Triethylenediaminine bis(trimethylaluminum) Formula: (CH3)3Al · C6H12N2 · Al(CH3)3 Formula Weight: 256.34 CAS No.: …

  • ALDRICH Dioctyl sulfosuccinate sodium salt, 98%


    Synonym(s): AOT; Bis(2-ethylhexyl) sulfosuccinate sodium salt; DOSS; Docusate sodium Formula: …

  • ALDRICH 2,4-Dinitrophenylhydrazine, reagent grade, 97%


    Formula: (O2N)2C6H3NHNH2 Formula Weight: 198.14 CAS No.: 119-26-6 Purity: 97% Application: Reagent for the determination of aldehydes 1 and ketones. 2, 3 Also employed in cyclocondensations to pyrazoles. 4 Packaging: 25,…

  • 1,5-Diphenylcarbazide, ACS

    Alfa Aesar

    Synonym(s): 1,5-Diphenylcarbohydrazide Formula: C13H14N4O Formula weight: 242.28 CAS Number: 140-22-7 Harmonized Tariff Code:  2928.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Dimethyl sulfoxide, ReagentPlus®, =99.5%


    Synonyms: DMSO; Methyl sulfoxide Formula: (CH3)2SO Formula Weight: 78.13 CAS No.: 67-68-5 Purity: ≥99.5% Density: 1.10 g/mL(lit.) Caution: Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to…

  • ALDRICH 2,2-Diphenyl-1-picrylhydrazyl,


    Synonym(s): 1,1-Diphenyl-2-picrylhydrazyl radical; 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl; DPPH Formula: C18H12N5O6 Formula Weight: 394.32 CAS No.: 1898-66-4 Other Notes: Free radical Storage: 2-8°C Packaging: 1, 5 g in…

  • ALDRICH 2,2-Dimethylbutane, 99%


    Synonym(s): Neohexane Formula: CH3CH2C(CH3)3 Formula Weight: 86.18 CAS No.: 75-83-2 UN Number: UN1208 Purity: 99% Density: 0.649g/mLat 25°C(lit.) Packaging: 100 g in glass bottle

  • FLUKA N,N-Dimethylformamide, GC-Headspace tested, =99.9%


    Synonyms: DMF Formula: HCON(CH3)2 Formula Weight: 73.09 CAS No.: 68-12-2 Purity: ≥99.9% (GC); ≥99.9% Density: 0.944 g/mL(lit.) Application: Solvent for many hydrophobic organic compounds. Suitability: tested for GC-HS

  • DMSO


    ACS Grade Freezing point: <18.30°C Residue after evaporation: <0.01% Water: <0.1% A275 (undiluted): <0.20 Titratable acid: <0.001meq/g Substances darkened by potassium hydroxide Caution: Readily absorbed through skin Haz Mat fee applies …

  • SIGMA 4-(Dimethylamino)benzaldehyde suitable for histochemical demonstration of…


    Synonym(s): p -Dimethylaminobenzaldehyde; DMAB; Ehrlich's reagent Empirical Formula: C9H11NO Linear Formula: (CH3)2NC6H4CHO Formula Weight: 149.19 MDL Number: MFCD00003381 Purity: ≥99% (TLC) Melting Point: …

  • SIAL 2',7'-Dichlorofluorescein


    ACS reagent Empirical Formula: C20H10Cl2O5 Formula Weight: 401.20 Linear Formula: C20H10Cl2O5 MDL Number: MFCD00005047 Melting Point: 280 °C (dec.)(lit.) Beilstein Registry Number: 58009

  • Diethylene glycol BioUltra, =99.0% (GC)


    Synonym: 2,2′-Oxydiethanol, 2-Hydroxyethyl ether, Bis(2-hydroxyethyl) ether, Diglycol CAS Number: 111-46-6 Linear Formula: (HOCH2CH2)2O Molecular Weight: 106.12 Beilstein Registry Number: 969209 EC Number: 203-872-2 …

  • Deoxycholate Agar


    Deoxycholate Agar is prepared as per the formulation by Leifson (1). This media is used for the isolation and maximum recovery of intestinal pathogens belonging to Salmonella and Shigella species (2). The selectivity of medium permits the use of fairly heavy inocula without danger of overgrowth…

  • Drierite Drying Agent (Anhydrous Calcium Sulfate), Regular Grade

    W.A. Hammond Drierite Co.

    Properties: REGULAR DRIERITE is anhydrous calcium sulfate. It is of neutral pH, constant in volume, chemically inert except toward water, insoluble in organic liquids and refrigerants, non-disintegrating, non-wetting, non-toxic, non-corrosive, non-chan-neling, generally recognized as safe (GRAS) by…

  • Diphenylamine, 98+%

    Alfa Aesar

    Synonym(s): N-Phenylaniline, N-Phenylbenzenamine Formula: C12H11N Formula weight: 169.23 Purity: 98+% CAS Number: 122-39-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2921.44 Hazard Statements: H301-H311-H331-H373 Toxic if swallowed.…

  • Dimethyl Sulfoxide, Hybri-Max™, Sterile-filtered, BioReagent, Suitable for…


    Synonym: DMSO, Methyl sulfoxide CAS Number: 67-68-5 Linear Formula: (CH3)2SO Molecular Weight: 78.13 Packaging: 5 mL and 10 mL in flame sealed ampules, 100 mL in amber bottle Application DMSO is a polar aprotic solvent used in chemical reactions, in…

  • ALDRICH Dehydroacetic acid, >=98.0% (T)


    Synonym(s): 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid δ-lactone Empirical Formula: C8H8O4 Linear Formula: C8H8O4 Formula Weight: 168.15 MDL Number: MFCD00066709 Purity: ≥98.0% (T) Boiling Point: …

  • Orion™ 2100 Series and 1800 Series Analyzer Reagents for Orion Online Monitors

    Thermo Scientific Orion

    Use Thermo Scientific™ Orion™ 2100 Series and 1800 Series Analyzer Reagents for Orion Online Monitors with Orion™ process analyzers. Reagents for the Orion 2109XP, 2110XP, 2111LL, 2111XP, 2117XP, 2118XP, 2120XP, 1809, 1810, 1811AO, 1811EL, 1817HL, 1817LL, 1818 and 1820 analyzers.

  • D-Mannitol


    Trace SELECT ® , ≥99.9999% (metals basis), for boron determination Synonym(s): Mannite Empirical Formula: C6H14O6 Formula Weight: 182.17 Linear Formula: C6H14O6 MDL Number: MFCD00064287 Purity: …

  • SIGMA 3,3'-Diaminobenzidine tetrahydrochloride hydrate >=96%


    Empirical Formula: C12H14N4 -+ 4HCl -+ xH2O Linear Formula: C12H14N4 -+ 4HCl -+ xH2O Formula Weight: 360.11 (anhydrous basis) MDL Number: MFCD08273058 Purity: ≥96%

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  • N,N-Dimethylformamide, ACS reagent, =99.8%


    Synonyms: DMF Formula: HCON(CH3)2 Formula Weight: 73.09 CAS No.: 68-12-2 Purity: ≥99.8% Density: 0.944 g/mL(lit.) Application: Solvent for many hydrophobic organic compounds. Packaging: 18 L in VerSA-Flow™ Packaging: 4 x 4 L in PVC coated

  • DPD #1 Powder, 100G


    Formula: Mixture Synonym(s): N, N diethyl-p-phenylenediamine sulfate

  • D-Pantothenic acid hemicalcium salt =99.0%


    Synonym: ( R )-(+)-N-(2,4-Dihydroxy-3,3-dimethyl-1-oxobutyl)-β-alanine hemicalcium salt, Calcium D-pantothenate, Vitamin B5 CAS Number: 137-08-6 Linear Formula: HOCH2C(CH3)2CH(OH)CONHCH2CH2CO2

  • D-Pantothenic acid calcium salt hydrate, 98%

    Alfa Aesar

    Synonym(s): Calcium D-pantothenate hydrate Formula: C18H32CaN2O10 xH2O Formula weight: 476.54(anhy) Purity: 98% CAS Number: 331748-07-3 Harmonized Tariff Code:  2936.24

  • 2,4-Dinitroanisole, 98%

    Alfa Aesar

    Formula: C7H6N2O5 Formula weight: 198.14 Purity: 98% CAS Number: 119-27-7 Harmonized Tariff Code:  2909.30 Hazard Statements: H301-H341 Toxic if swallowed. Suspected of causing genetic defects. Precautionary Statements: P281-P301+P310-P308+P313-P321-P405-P501a Use personal…

  • DL-Mandelic acid


    analytical reference material Synonym(s): (±)-α-Hydroxyphenylacetic acid Empirical Formula: C8H8O3 Formula Weight: 152.15 Linear Formula: C6H5CH(OH)COOH MDL Number: MFCD00064250 Purity: ≥98.5% (HPLC);…

  • Diphenylcarbazone-Xylenol Orange FF Cyanol Mixed Indicator (not acidifier)

    Ricca Chemical

    Formula: Mixture Description: For low level Chloride

  • DPD Free Chlorine Reagent Powder Pillows, 10 mL Sample


    Chlorine, Free USEPA accepted for reporting for drinking water analysis using Hach Method 8021, DPD Method Range: 0 - 2.0 mg/L Sample Size: 10 mL,25mL,5mL pk/300 Powder Pillows

  • D-Fructose, 99%

    Alfa Aesar

    Synonym(s): D-Levulose Formula: C6H12O6 Formula weight: 180.16 Purity: 99% CAS Number: 57-48-7 Harmonized Tariff Code:  1702.50

  • SIAL Diethyl ether


    ACS reagent, ≥98.0%, contains ~2% ethanol and ~10ppm BHT as inhibitor Synonym(s): Ether; Ethyl ether Amino Acid Sequence: Empirical Formula: C4H10O Formula Weight: 74.12 Linear Formula: (CH3CH2)2O MDL Number: …

  • Diltiazem hydrochloride


    European Pharmacopoeia (EP) Reference Standard Synonym(s): (+)- cis -Diltiazem hydrochloride; (2S,3S)-(+)- cis -3-Acetoxy-5-(2-dimethylaminoethyl)-2,3-dihydro-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one hydrochloride; CRD-401 Empirical Formula: …

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