Product Name: 1,1,2,2-Tetrabromoethane
CAS No.: 79-27-6
Molecule Formula: C2H2Br4
Molecular Weight: 345.65
Density: 2.967 g/ml at 25 °C(lit.)
Usage: used as a catalyst in the production of PTA, intermediate or organic synthesis, coating, medical
Specifications:
Appearance: Colorless or yellow clear liquid
Assay: Min 99.0%
Water Max0.05%
Density 2.955-2.970
PH 5.0-7.0
Inorganic halide Max15ppm
Color (APHA) Max 60
Package: 150kgs/drum
At Prefine Chemicals, we distribute top-tier 1-2-4 Tri Chloro Benzene and offer expert guidance to help you achieve optimal results. Our commitment to quality ensures you receive a reliable product you can depend on. APPLICATIONS Manufacturing of: In Herbicide (Dicamba) Dyes Intermediates. PACKAGING MS/HDPE Drums 250 kgs ISO Tank Tanker Load MOQ 1x20'FCL SPECIFICATIONS Sr. No Characteristic Specifications 1 Physical Appearance Clear Colorless Liquid 2. Purity Min 99.9% 3. Specific Gravity 1.45
At Prefine Chemicals, we distribute top-tier 1-2-3 Tri Chloro Benzene and offer expert guidance to help you achieve optimal results. Our commitment to quality ensures you receive a reliable product you can depend on. APPLICATIONS Manufacturing of: Solvent in production of dyes, pesticides, and rubber Intermediate in chemical production Dielectric fluid (older use) Heat transfer fluid Agro Chemicals PACKAGING MS/HDPE Drums 250 kgs ISO Tank Tanker Load MOQ 1x20'FCL SPECIFICATIONS Sr. No Characteristic Specifications 1 Physical Appearance Clear Colorless Liquid 2. Purity Min 99.50 % 3. Specific Gravity 1.69
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
Supplier: Benzylalcohol(extrapure) injectablegrade, 2, 4-dichloroacetophenone, velerophenone, 4-methoxy acetophenone, 4-methyl acetophenone, 5-nitro isophthalica, ethyl bromoacetate, bromoaceticacid, 1, 1, 2, 2-tetrabromoethane, allyl bromide, Benzophenone
Services: Contract manufacturing, trading
Buyer: Thiophene
Product Name: N-Ethyl-2-pyrrolidone Synonyms: 1-ethyl-2-pyrrolidinon;1-ethyl-pyrrolidin-2-one;2-Pyrrolidinone, 1-ethyl-;Agsol Ex 2;ethyl-2-pyrrolidone;N-Ethyl-2-pyrrolidinone;N-Ethylpyrrolidinone;N-Ethylpyrrolidone CAS: 2687-91-4 MF: C6H11NO MW: 113.16 EINECS: 220-250-6 Melting point 87.5-88.5 �°C Boiling point 97 �°C/20 mmHg (lit.) density 0.992 g/mL at 25 �°C (lit.) vapor pressure 18Pa at 20�ºC refractive index n20/D 1.465(lit.) Fp 169 �°F storage temp. Sealed in dry,Room Temperature form Liquid pka -0.41±0.20(Predicted) color Clear PH 8-9 (100g/l, H2O, 20C)
1 2 3 Benzotriazole
Supplier: Medical, surgical, industrial and paper products & chemicals
Name: 2-hydroxy-6-naphthoic acid Alias: 2,6 acid; 2-naphthol-6-carboxylic acid; 6-hydroxy-2-naphthoic acid; 6-hydroxy-2-naphthoic acid CAS NOï¼?16712-64-4 Molecular formula: c11h7o3 Molecular weight: 187.172 Product quality standard: Appearance characte Light yellow powder Content 99% 2-naphtholâ?¤0.10% 2,3-acidâ?¤0.10% melting point243-245�°C Loss on dryingâ?¤0.30% heavy metalâ?¤20ppm Application: used in medicine, liquid crystal, paint, etc. Packing: 25kg / cardboard barrel, or according to customer requirements
1.Used as an intermediate in organic synthesis. It is liquid, soluble in organic solvent, slightly soluble in water. It is a low toxicity, high efficiency and broad spectrum anti-mildew agent. It has strong killing effect on mold and can achieve ideal anti-mildew effect. 2.It can be widely used in coating, paint, lubricating oil, shoe polish, leather chemistry, wood products and cultural relics protection and many other products.
