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Denatonium Benzoate, 99+%, 500g

11 de agosto de 20260

Synonyms: N,N-Diethyl-N-[(2,6-dimethylphenyl­carbamoyl)­methyl]­benzyl­ammonium benzoate, Benzyldiethyl(2,6-xylyl­carbamoyl­methyl)­ammonium benzoate, THS 839CAS: 3734-33-6Molecular Formula: C21H29N2O · C7H5O2Molecular Weight: 446.58 g/molTestSpecificationAppearanceWhite crystalline powderIdentification A (by IR)Pass testIdentification B (by UV)Pass testIdentification C (by Chemical)Pass testIdentification D (by Chemical)Pass testResidue on Ignition0.1% max.Melting Point163 - 170 Deg. CAssay99.0% min.Acidity (3% aq. solution)6.5 - 7.5Chloride0.20% max.Loss on Drying1.0% max.

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1-Bromobutane, 99+%, 5kg

11 de agosto de 20260

Synonyms: Butyl bromideCAS: 109-65-9Molecular Formula: CH3(CH2)3BrMolecular Weight: 137.02 g/molTestSpecificationAppearance (Color)Clear colorless to almost colorlessAppearance (Form)LiquidPurity (GC)99+% This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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1-Bromobutane, 99+%, 1kg

11 de agosto de 20260

Synonyms: Butyl bromideCAS: 109-65-9Molecular Formula: CH3(CH2)3BrMolecular Weight: 137.02 g/molTestSpecificationAppearance (Color)Clear colorless to almost colorlessAppearance (Form)LiquidPurity (GC)99+% This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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Casein Soluble (Light White), Reagent, Certified, 500g

11 de agosto de 20260

Casein Soluble (Light White), Reagent, Certified, 500g For Research & Development Not for drug, human, animal, or food useCertificate of Analysis: Light brown colored powder Sulfated ash 4.10% pH (2% water) 6.5 Moisture 4.80% Fat 1.1% [Nitrogen in dried material] 14.1% Suitability for microbiologyCAS: 9000-71-9FORMULA: N/A This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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Alizarin, pH Indicator, Reagent, 96+% (Dye Content), Certified, 100g

11 de agosto de 20260

Alizarin, pH Indicator, Reagent, 96+% (Dye Content), Certified, 100g For Research & Development Not for drug, human, animal, or food useCertificate of Analysis: Appearance gold to orange or brown powder Assay 96+% (Dye Content) Infrared spectrum conforms Visual Transition Intervals pH 5.5 to pH 6.3 (yellow to red) pH 10.1 to pH 12.1 (red to purple) Maximum Impurities: Sulfated ash 2%.CAS: 72-48-0FORMULA: C14H8O4 This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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Collodion, Non-flexible, 100ml

11 de agosto de 20260

Synonyms: N/ACAS: 9004-70-0Molecular Formula: C24H36N8O38Molecular Weight: 1044.57 g/molTestSpecificationDescriptionClear, or slightly opalescent, viscous liquid. Colorless or slightly yellowishIdentification ATo pass testIdentification BTo pass testSpecific Gravity @ 25 °C0.765 - 0.775AcidityTo pass testAlcohol Content22.0 - 26.0%Assay (by Weight of Pyroxylin)Not less than 5.0%USP - NF PublicationUSP - NF 2023, Issue 3 This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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Coumarin 500 (Laser Dye), 99.0%, Certified, 100mg

10 de agosto de 20260

Coumarin 500, 99.0%, Certified, 100mg For Research & Development Not for drug, clinical use in humans, for food or food additive useCertificate of Analysis: Appearance yellow fluffy crystalline powder Assay (elemental analysis) [C] 55.3% [H] 3.4% [N] 5.2% Assay (UV-VIS) 99.0% Absorbance max (ethanol) 395nm Fluorescence max (ethanol) 499nm Identity by IR spectrum Melting point 158-159 degrees C Molar absorptivity 18400 Suitability suitable as a laser dyeEBAY PLEASE DO NOT REMOVE THIS IS NOT A DRUG, THIS IS A DYE CAS: 52840-38-7FORMULA: C12H10F3NO2 This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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Phenolphthalein, ACS, 98+%, 2.5kg

9 de agosto de 20260

Phenolphthalein, ACS, 98+%, 2.5kgFor Research & DevelopmentNot for drug, human, animal, or food useSpecifications:Appearance (Color) WhiteAppearance (Form) PowderAssay 98.0-101.0%Identification A & B PositiveMelting Point 260 °CAppearance of Solution - The solution is clear and not more intensely colored than reference solution Y7Related Substances <0.5%Heavy Metals <0.001%Acidity or Alkalinity - CompliesChlorides <0.01%Sulfates <0.02%Loss on Drying <0.5%Sulfated Ash <0.1%Microorganism: TPC <1000 cfu/gY & M <100 cfu/gE-coli - AbsentStaphylococcus Aureus - AbsentPseudomonas Aeruginosa - AbsentAlbicans Saccharomyces - AbsentCAS: 77-09-8FORMULA: C20H14O4 This item will be shipped in accordance with FedEx/UPS carriers, per DOT 49CFR regulations, which will meet or exceed all of USPS regulations per 49CFR 172.101, published in Federal Register 10742. Note: eBay please do not delist.

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