Methyl Violet 2B, 75+% (Dye Content), 500g
Methyl Violet 2B, 75+% (Dye Content), 500gFor Research & DevelopmentNot for drug, human, animal, or food useSpecifications:Appearance (Color) GreenAppearance (Form) Crystalline powderAssay 75+%Loss on Drying <10%Absorption Maximum 583-587nmStaining Performance (Satisfactory in) – Lieb’s stain for amyloid.- Newton KI violet stain on plant material.- Flemming’s KI violet stain on plant material.CAS: 8004-87-3FORMULA: C24H28N3ClThis 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.
5-Bromo-1-pentene, 98+%, 500g
Synonyms: 1-Bromo-4-pentene, 4-Pentenyl bromideCAS: 1119-51-3Molecular Formula: Br(CH2)3CH=CH2Molecular Weight: 149.03 g/molTestSpecificationDescriptionClear to pale yellow liquidInfrared SpectrumConforms to structureWater (KF)< 2.0% max.Purity (GC)98% min. 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.
tert-Butylhydroquinone, 99+%, 500g
Synonyms: 2-(1,1-Dimethylethyl)-1,4-benzenediol, NSC 4972CAS: 1948-33-0Molecular Formula: (CH3)3CC6H3-1,4-(OH)2Molecular Weight: 166.22 g/molTestSpecificationAppearance (Color)White to tan crystalline solidAssay99.0% min.tert-Butyl-p-benzoquinoneNot more than 0.2%2,5-Di-tert-butylhydroquinoneNot more than 0.2%HydroquinoneNot more than 0.1%Melting RangeBetween 126.5° and 128.5°CSolubilitySoluble in alcohol and ether, practically insoluble in water 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.
Calcium Oxide, 95+%, 500g
Synonyms: Lime, QuicklimeCAS: 1305-78-8Molecular Formula: CaOMolecular Weight: 56.08 g/molTestSpecification-325 Mesh (Air Jet)97.5% min.Available CaO%93.0% min.Total CaO%95.0% min. 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.
1-Bromobutane, Reagent, 99.9%, 500ml
1-Bromobutane, Reagent, 99.9%, 500mlFor Research & DevelopmentNot for drug, human, animal, or food useCertificate of Analysis:Appearance (Color) Clear, colorlessAppearance (Form) LiquidPurity (GC) 99.9%Water (Karl Fisher) 0.02%CAS: 109-65-9FORMULA: C4H9Br 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.
Trichloroacetic Acid, ACS, 99+%, 500g
Synonyms: TCACAS: 76-03-9Molecular Formula: Cl3CCOOHMolecular Weight: 163.39 g/molTestSpecificationDescriptionWhite moist colorless crystalsClarity and Color of Solution10% soln. is clear & colorlessAssay99.0% min.Insoluble Matter0.01% max.Residue after Ignition0.03% max.Chloride (Cl)0.002% max.Nitrate (NO3)0.002% max.Phosphate (PO4)0.0005% max.Sulfate (SO4)0.02% max.Heavy Metal0.002% max.Iron (Fe)0.001% max.Substance Darkened by H2SO4Passes the test
Denatonium Benzoate, 99+%, 500g
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.
Nickel Oxide, Black, 99.9%, 500g
Substances not precipitated by Ammonium Sulfide 0.16%. Synonyms: Nickel monoxide, Nickelous oxide. Chloride (Cl) 0.001%. Cobalt (Co) 0.03%. Zinc (Zn) 0.004%. Copper (Cu) 0.005%. Iron (Fe) 0.002%. Lead (Pb) 0.004%.
Malonic Acid, 99+%, 500g
Malonic Acid, 99+%, 500gFor Research & DevelopmentNot for drug, human, animal, or food useSpecifications:Appearance (Color) WhiteAppearance (Form) Crystalline powderAssay (Titration) 99+%Odor Acetic acid-likeMelting Point 132 – 136°CFlash Point 200+°FSolubility Soluble in water, alcohol and etherCAS: 141-82-2FORMULA: CH2(COOH)2This 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.