2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
1.Name: Sodium nitrate Chemical formula: NaNO3 Formula weght:84.99 2.Property: (1) ordinary sodium nitrate: white little crystals or light yellow (2) dry powder sodium nitrate: non-caking, showing loose status. Density:2.257. It is liable to deliquesce, dissolved in water, soluble in liquid ammonia, slightly soluble in ethanol and glycerin, Melting Point:308. While being heated up to about 380 it will decompose and release oxygen and turn into sodium nitrite,as the heating goes on, it will decompose into oxygen, nitrogen and nitrogen oxide. It has strong oxidability and can cause combustion explosion if being mixed with organic substance, sulfur, sodium nitrate etc. 3. Usage:Â it has been wildly used in the glass industry, dye, dynamite, metallurgy, machinery, ceramic etc. 4. Specification: (Technical Standards:GB/T4553-2002) Item Unit High G. First G. Qualified G. Dry powder G. Assay % 99.7 99.3 98.5 99.3 Sodium nitrite % 0.01 0.02 0.15 0.02 Chlorides % 0.25 0.30 -- 0.25 Water insolubles % 0.03 0.06 -- 0.03 Moisture % 1.0 1.5 2.00 0.2 Carbonates % 0.05 0.10 -- 0.1 Iron % 0.005 -- -- 0.005 Loose degree -- -- -- 95 5.Package: net 25kg/50kg net each in plasic woven inner plasic bag,or 500kg net each in flexible container.
KN95 Reusable Respirator 5 Layer Face Examination KN95 Mask Face Respirator 5 Layers Mask 5 layer face mask provides extra protection, Filtration>95%.The five-layer masks provide greater security than a normal disposable mask. True 5-Ply Protective Layers (2 Polypropylene Non-Woven Layers, 2 Meltblown Filter Cloths, and 1 Non-Woven Cotton Middle Layer) | Each Box Contains 20 Sealed Genuine face masks. KN95 masks adjustable ear loops can help the mask perfectly attach onto your face. You can use these masks for dust protection & to protect yourself from small particles of air, pollen and much more These KN95 masks are simple to fold, incorporate, and save space thanks to their lightweight and foldable nature. You can take it with you wherever you want to go. The KN95 face mask is an excellent choice for protection when you'll be in a crowd and want to stay healthy. Perfect 5 layer face mask for shopping, public transport, bus terminals, shopping malls, parks and busy city streets. The inner skin-friendly layer absorbs moisture from the breath, and the 5-ply face mask allows for easy, simple, and healthy breathing at all times Quality KN95 Face Mask - Highest Standards Easy Mask Solution Breathable BETTER BREATHABILITY KN95 FACE MASK - This means less bulk but a better breathing experience while blocking out fine particles in the air such as saliva, dust and, pollen. Disposable Throwaway Face Masks Provide Fast, Effective Protection Against Mold, Allergens & Fumes| Great for Airport Travel, Public Transportation, Social Distancing, Cleaning, Grocery Shopping Masks For Men & Women The adjustable nose strip can better fit your nose and face, making you feel comfortable and not tight and avoiding fogging your glasses. They are suitable for a variety of face shapes and affordable masks are perfect for your family.
Menthol Crystals, CAS No.89-78-1, food aromas, a natural spice manufactured through chemical synthesis or extraction from Peppermint Oil, available as white waxy crystalline. Menthol Crystals is widely used as aromas & perfumes. It is often used in cosmetics, salves, balms, medicated creams, throat lozenges, toothpaste, mouthwash, gum, foot sprays, pain relief, shampoos, conditioners, linaments, shaving creams, oral or throat sprays, compresses, medicated oils, and cooling gels. As an experienced Menthol Crystals manufacturer and supplier, we has been supplying and exporting Menthol Crystals for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Menthol Crystals Food grade Specification Color and Appearance: Colorless, Transparent prism-shaped or needle- like crystals Odor: Asian species with the characteristics of natural menthol Melting point: 42 44 Solubility 1g:5ml (90%) Non volatile matter: 0.05% Optical rotation(20 ) -49 -50 Purity â?¥99% As Content 3 mg/kg Heavy Metal 10 mg/kg Standard BP2004/USP29/JP14/EP6.0/CP2005/FCCV Packing In 25kg drum
Limpets are grastropods, which are mollusks (animal that dwells inside the shell) that creates one shell. Limpets are composed of a large group of flattened or elevated shells found along seashores worldwide. The limpet outside shell can be smooth or radially ribbed. They are smooth on the inside and have a horseshoe shaped muscle impression. The animal (mollusk) stick tightly to rocks, the shape of their shell act as a barrier to wave action. Most Limpet Shells feed on algae, passing by as they cling to rocks in the shoreline tidal flow.
ð???Specifications: - Type of fish: Pangasius, Sea Bass, Olothoides Biauritus - Shape: Butterfly shape and Tube shape - Length: 5-10 cm, 10-20cm, 20-30 cm/piece - Weight: Butterfly shape: 100-120 pcs/ kg Tube shape: 30-40 pcs/ kg (thin type) 9-15 pcs/ kg (thick type) - Shelf life 2: years - Origin: Vietnam - Other information :Dried under sunshine, no oil, no unknown smell. - Payment & delivery: L/C, T/T, negotiable.
- Materials: Natural wooden - Color: Printed any colors - Size: 5 mm to 30 mm, as your request - Shape: Round - Square - Oval - Style: With hole for decoration - Shipping: Support Express - Sea freight - Air freight
Style: Dried Type: Chili Shape: WHOLE Preservation Process: Dried Max. Moisture (%): 10 Ash (%): 5 Shelf Life: 24 month Place of Origin: Vietnam Color: NATURAL Advantages: 100% Pure, no additives, no preservatives
Color: Natural green Shape: Sliced Width: 1-3cm Moisture: 5% max Shelf Life: 12 months Usages: Tea, Food Feature: Light Sweet
Features 1. Develop children's logical thinking ability. 2. Exercise cooperative skills and improve hands-on skills. 3. Enhance the ability to distinguish shapes and things. 4. Promote hand-eye coordination and stimulate sensory development. 5. Develop brain thinking and recognize different color
SPECIFICATIONS: Origin: Vietnam. Moisture: 12 % max. Calcium content: 34% min. Broken: 3-5% max. Shape: trimmed or untrimmed oval. Clean, whiten, 100% Sun dried, good smell, no chemistry. Length: 1-9cm, 10-15cm, 15-20cm or superb sizes. Width: 4cms onwards. MOQ: 1000kgs.
Soft-Dried Mango Style: Freeze dried Usage: Snack Food Taste: Natural Sweet Shape: Sliced Packaging: Bulk, Vacuum Pack. Moisture (%): 5% max. Weight (kg): 0,5 or 1kg/pack Shelf Life: 12-16 months Place of Origin: Vietnam
Origin: Vietnam. Moisture: 12 % max. Calcium content: 34% min. Broken: 3-5% max. Shape: trimmed or untrimmed oval. Clean, whiten, 100% Sun dried, good smell, no chemistry. Length: 1-9cm, 10-15cm, 15-20cm or superb sizes. Width: 4cms onwards. MOQ: 1000kgs.
Origin: Vietnam. Moisture: 12 % max. Calcil Greenum content: 34% min. Broken: 3-5% max. Shape: trimmed or untrimmed oval. Clean, whiten, 100% Sun-dried, good smell, no chemistry. Length: 1-9cm, 10-15cm, 15-20cm or superb sizes. Width: 4cms onwards. MOQ: 1000kgs.
Soft-Dried Mango Style: Freeze dried Usage: Snack Food Taste: Natural Sweet Shape: Sliced Packaging: Bulk, Vacuum Pack. Moisture (%): 5% max. Weight (kg): 0,5 or 1kg/pack Shelf Life: 12-16 months Place of Origin: Vietnam
Soft-Dried Mango Style: Freeze dried Usage: Snack Food Taste: Natural Sweet Shape: Sliced Packaging: Bulk, Vacuum Pack. Moisture (%): 5% max. Weight (kg): 0,5 or 1kg/pack Shelf Life: 12-16 months Place of Origin: Vietnam
Specifications: Origin: Vietnam. Moisture: 12 % max. Calcium content: 34% min. Broken: 3-5% max. Shape: trimmed or untrimmed oval. Clean, whiten, 100% Sun-dried, good smell, no chemistry. Length: 1-9cm, 10-15cm, 15-20cm or superb sizes. Width: 4cms onwards.
Specifications: Origin: Vietnam: Vacuumed Fry. Taste: sweet & crispy. Shape: Sliced Preservation Process: Freeze drying Packaging: Bags in carton Moisture: 5% max. Shelf life: 18 months. No sugar, no used oil, no preservatives and coloring, only vegetable oil, broken parts & unripe parts
Product name: Soft-Dried Mango Style: Freeze dried Usage: Snack Food Taste: Natural Sweet Shape: Sliced Packaging: Bulk, Vacuum Pack. Moisture (%): 5% max. Weight (kg): 0,5 or 1kg/pack Shelf Life: 12-16 months Place of Origin: Vietnam
1. Develop children's logical thinking ability. 2. Exercise cooperative skills and improve hands-on skills. 3. Enhance the ability to distinguish shapes and things. 4. Promote hand-eye coordination and stimulate sensory development. 5. Develop brain thinking and recognize different color
