Zinc Chloride, Anhydrous, 500g

Zinc Chloride, Anhydrous, 500g Technical grade — Appears as a white crystalline solid, hygroscopic and very deliquescent. Used in some metal patina formulas. This 500g size may only ship to destinations within the 48 contiguous US states and Canada using ground shipping, limited quantity only via UPS or FedEx. No air deliveries allowed.

p-Toluenesulfonic Acid Monohydrate, 99+%, 500g

Synonyms: 4-Methylbenzenesulfonic acid monohydrate, 4-Toluenesulfonic acid monohydrate, PTSA monohydrate, TsOH monohydrateCAS: 6192-52-5Molecular Formula: CH3C6H4SO3H · H2OMolecular Weight: 190.22 g/molTestSpecification% Residue on Ignition< 0.2%% Sulfuric Acid< 0.30%% TSA88% min.% TSA Monohydrate97% min.Appearance/ColorWhite crystalsFree Water< 2.5%Iron (Fe)< 5 ppmPara Isomer % of TSA99% min.Setting Point103.5 °C

Ferrous Sulfate Heptahydrate, ACS, 99+%, 500g

Synonyms: Iron(II) sulfate heptahydrateCAS: 7782-63-0Molecular Formula: FeSO4 · 7H2OMolecular Weight: 278.01 g/molTestSpecificationDescriptionBlue-green crystalsIdentificationComplies with USP for Ferrous Salts and SulfateAssay99.0% min.Insoluble Matter0.01% max.Chloride (Cl)0.001% max.Phosphate (PO4)0.001% max.Calcium (Ca)0.005% max.Copper (Cu)0.005% max.Magnesium (Mg)0.002% max.Manganese (Mn)0.05% max.Potassium (K)0.002% max.Sodium (Na)0.02% max.Zinc (Zn)0.005% max.Ferric Ion (Fe3+)0.1% max.

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.

Gum Tragacanth Powder, Fine Powder, 100g, 500g, 1kg

This gum is imported from Baghdad and Basra after being extracted from the Astragalus plant, which grows in Lebanon and Syria. Gum Tragacanth is a viscous, oderless, water-soluble mixture of polysaccharides obtained from sap that is drained from the root of the plant and dried, then powdered. Gum Tragacanth absorbs water which is useful if needed to become a gel, which can then be stirred into a paste. Specifications Colour: Tan to off white Odour: Odourless Solvent: Water

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.

500G Boric Flake Acid Magic Fishscale Oily 99% Pure White Flakes US Local Ship

Ship from US warehouse,you can receive the goods quickly. Appearance: 2-7mm white crystal flakes like fish scale Melting point: 169 °C Boiling point: 300 °C Relative molecular mass: 61.83 Formula: H3BO3 CAS No.: 10043-35-3 Pure:≥99.5% Any questions ,contact us please.We are happy to help you! Reminder Don’t touch nose and mouth Not edible Keep away from children We will ship the products by your order address. RETURN We stand behind every product we sell. If you’re not pleased with your purchase, we’ll be happy to make an exchange or refund the product price less Shipping &handling within 30 days of your purchase via parcel post. Please contact us before you return the item, we will offer you the right return address.

Peptone C 500G PEPTONIZED MILK B927.SIZE.500G

Product Description:Peptone C PEPTONIZED MILK OverviewPeptone is obtained by hydrolyzing proteins such as blood fiber with pepsin or other enzymes. Soluble in water, insoluble in ethanol, chloroform and ether. ApplicationIt is used as the main raw material for microorganism and animal cell culture medium.Size: 500Grams Shipping Conditions:RTUNSPSC Code:41106200UNSPSC Category:Microbiological Media

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.