Chemicals & Plastics

Product Name:Bromazolam CAS:71368-80-4 MF:C17H13BrN4 , MW:353.22 Appearance:Little Pink Powder What is Bromazolam？ Bromazolam is a kind of design chemical, which is not listed, and currently belongs to triazole benzodiazepine (TBZD) according to the product structure. The first successful synthesis was in 1976. After 50 years, it still hasn't been marketed. The reason for this is unknown. However, this does not hinder the research and experiment of various institutions on Bromazolam. Because it has similar effects with other benzodiazepines in sedation and anti-anxiety. According to research, bromazolam is a non-subtype selective agonist at the benzodiazepine site of GABAA receptor α The binding affinity of subtype 1 is 2.81 nM α The affinity of subtype 2 is 0.69 nM, while the affinity of subtype 2 is 0.69 nM α The affinity of subtype 5 was 0.62nM. Bromazolam is a novel investigational chemical for the study of anxiolytic activity in the central nervous system, an antidepressant. It is an organic intermedia. What is the appearance of the Bromazolam and packaging like? Bromazolam is a light pink fine crystalline powder,We will pack the Bromazolam powder according to your needs. If you have no special requirements for packaging, we will use two layers of transparent ziplock bag + one layer of aluminum foil bag + one layer of carton for packaging. This helps to prevent leakage of goods during transportation, avoid contamination of goods, and ensure safe transportation. If you have special requirements for packaging, we will pack the goods according to your proposal to meet your needs. Bromazolam is it legal? This product is not listed as a regulated product in the world. But in Canada, Germany and the United Kingdom, there are restrictions on its use. Of course, the policies of all countries are constantly changing. If you want to know whether you can legally purchase Bromazolam power, please contact us by email and tell us your address and purpose. We will check the latest policy to you. Who can buy Bromazolam powder safely? As a research chemical powder,buy Bromazolam powder in your country is legal,then you could buy Bromazolam from us.We have safe shipping method could promise door to door by EXPRESS like DHL,usps. Deliver time is usually 2-3 weeks.More details about order Bromazolam powder online,pls contact me. Is it safe to transport? We have in-depth cooperation with many freight companies around the world. They all have many years of experience in transporting such goods and have strong customs clearance capabilities. We have been committed to delivering the goods safely to your hands. After you place an order, we will deliver the goods to the warehouse of the destination country through the cooperative freight company. After completing customs clearance and ensuring safety, the goods will be delivered to you. Deliver to the local courier to ensure that the goods can be safely delivered to your hands. Of course, we can also hand over the goods to your designated cargo transportation company for transportation according to your requirements. Is it possible to start with a sample before buying in bulk? Our regular packaging is 1kg/bag. Of course, we also support you in sample testing, because we are very confident in our products, and we have always adhered to the principle of "A person of integrity can stand tests." Sincerely welcome your consultation How to order Bromazolam online in ? You can leave us a message through email, our professional sales staff will contact you in time. In order to give you a more accurate quotation, I need to know the following information: product name, order quantity, delivery country, etc. Contact me for more details! https://www.hkunitedchem.com/ Teleg , ram/signal+852 55133352 wickr:patrickehk Email:patrick@hkunitedchem.com

Minimum Order: 1 bags

Chemical name: Hexaphenoxycyclotriphosphazene; HPCTP; Phenoxycyclotriphosphazene CAS No.：1184-10-7 Molecular formular：C36H30N3O6P3 Molecular weight：693.57 Molecular structure Specification Appearance: White crystal Melting point，℃：110-112 Volatility, %: ≤0.5 Assay, %: ≥99.0 Ash, %: ≤0.05 Chloride content, mg/L ≤20.0 Application It is additive flame retardant. It is mainly used in PC and PC/ABS resins, PPO, nylon etc. It has good flame retardancy for epoxy resin. It can be used to make EMC for IC Packaging and its flame retardancy is better than Brominated flame retardant. It can reach UL-94V0 grade. Oxygen index can reach 33.1% when it is used in Benzoxazine Resin glass cloth laminate. If the HPCPZ mass fraction is 10%, the scale of burning could reach V-0 grade and the parallel breakdown voltage is 47KV. When it is used in Polythene, the LOI of final flame retardancy polythene can reach 30-33. After used in viscose spinning solution, we can get the flame retardant viscose fiber with oxygen index 25.3-26.7. If the added amount is 12% in PC/ ABS, it can pass the UL-94 V0 test. It also can be used in LED, powder coating, potting material and polymers. Advantage 1、The main structure of HPCTP is P & N. This structure is very stable and it is halogen free product. After burning, it will not produce smog secondary disaster. 2、The thermal stability of this product is very strong. It can endure high temperature above 250℃ in long time and it also can endure very low temperature. After using the HPCTP, the PC has great water proof, Oil proof and will not be eroded by organic solvent. 3、Flame retardance is good and the dosage of this product is very little, only 50% than BDP and RDP, the normally dosage is 8-10% but the flame retardancy can reach FV-0. 4、Due to the stable structure and very little dosage, the quality of final product will not change. 5、The appearance of HPCTP is white crystal, and it no need to heat before using. It can be easily packing and delivery. info at hhochem.com

Chemical name: Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate CAS No.：84434-11-7 Molecular formular：C18H21O3P Molecular weight： 316.33 Molecular structure Specification Appearance: Pale yellow viscous liquid Purity, %: ≥95.0 (GC) Clarity: Clear Application TPO-L is a liquid photoinitiator suitable for formulation systems with low yellowing and odor. It has a wide absorption range. In order to improve the curing effect of the surface, TPO-L is often used in conjunction with other photoinitiators The recommended uses of TPO-L are as follows: white pigmented UV- lacquers, UV screen printing inks, UV offset and UV flexo inks, overprint varnishes, paper lacquers, photoresists, printing plates, stereolithography etc. It can be used to cure paints and surfacers pigmented with titanium dioxide. Provides very low yellowing, low volatility and low odrour. info at hhochem.com

Chemical name: Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide CAS No.：75980-60-8 Molecular formular：C22H21O2P Molecular weight：348.37 Molecular structure Specification Appearance: Pale yellow crystal powder Purity, %: ≥99.0 (HPLC) Melting point，℃：91.0-94.0 Volatility, %: ≤0.2 Acid value (mgKOH/g): ≤0.5 Application TPO is an efficient free radical photoinitiator with absorption in a long wavelength range. Its effective absorption peak is 350-400nm and it always absorbs about 420nm. Its absorption peak is longer than that of the conventional initiator. After irradiation, two free radicals, benzoyl and phosphatidyl, can be formed, which can initiate polymerization. It is a photoinitiator for curing styrene-based unsaturated polyesters and acrylic resins. Its absorption in the long-wave region of the UV spectrum can fully cure even white paints and surfaces pigmented with TiO2. Such coatings are characterized by particularly low yellowing. TPO can also be used to cure clear coatings and is particularly suitable when low-odor products are desired. Recommended applications: screen inks white coatings, flexo inks wood coatings, overprint varnishes printing plates etc.The thermal stability of TPO is excellent. It is heated to 180℃ without chemical reaction and has good storage stability. info at hhochem.com

Chemical name: Methyl benzoylformate CAS No.: 15206-55-0 Molecular formula:C9H8O3 Molecular weight: 164 Molecular structure Specification Appearance: Slight yellow liquid Purity, %: ≥99 Melting point, ℃: 17 Density at 20 ℃: 1.162 g/cm3 Application Photoinitiator MBF is a versatile highly efficient free radical type I non- yellowing liquid photoinitiator with an absorption maximum at 244 nm. It is used to initiate the UV polymerization of chemically unsaturated prepolymers (e.g. acrylates) in combination with mono- or multi-functional vinyl monomers and oligomers. info at hhochem.com

Chemical name: 4-Benzoylbiphenyl CAS No.: 2128-93-0 Molecular formula:C19H14O Molecular weight: 258 Molecular structure Specification Appearance: White crystalline powder Purity, %: ≥99 Melting point, ℃: 99 – 103 Volatiles, %: ≤ 0.5 Ash, %: ≤ 0.1 Application Photoinitiator PBZ is a highly efficient solid photoinitiator. Value of UV absorption is 289nm. It is used to initiate the UV polymerization of chemically unsaturated prepolymers in combination with tertiary amine synergists. It also can be used as the intermediate to synthesize organic pigments, pharmaceuticals, overprint varnishes, wood and plastic coatings etc. info at hhochem.com

Chemical name: 4-Methylbenzophenone CAS No.: 134-84-9 Molecular formula: C14H12O Molecular weight: 196 Molecular structure Specification Appearance: White crystal solid Purity, %: ≥99 Melting point, ℃: 55 - 57 Volatiles, %: ≤ 0.5 Ash, %: ≤ 0.1 Application Photoinitiator MBP is a highly effective free radical type II photoinitiator. The absorption maximum is at 259nm. It is mainly used in the UV polymerization with tertiary amine, such as clear lacquer, plastic coatings, wood coatings, adhesives, offset printing ink, screen printing ink, flexo ink and electronic products. info at hhochem.com

Chemical name: Methyl 2-benzoylbenzoate CAS No.: 606-28-0 Molecular formula: C15H12O3 Molecular weight: 240 Molecular structure Specification Appearance: White crystal solid Purity, %: ≥99 Melting point, ℃: 48 - 53 Volatiles, %: ≤ 0.5 Application Photoinitiator OMBB is a highly efficient solid photoinitiator with extremely low odor. When it is used with tertiary amine synergists, it initiates the rapid polymerisation of suitable resin formulations. It is widely used in all kinds of food packaging UV ink and varnish system. info at hhochem.com

Chemical name: 2-Isopropylthioxanthone CAS No.: 5495-84-1 Molecular formula: C16H14OS Molecular weight: 254 Molecular structure Specification Appearance: Slightly yellow crystalline powder Purity, %: ≥ 99 Melting point, °C: 71- 76 Volatility, %: ≤ 0.2 Color: ≤ 7 Application Photoinitiator ITX is a highly effective free radical type II photoinitiator, which uses for UV curing of corresponding resin and tertiary amine. The absorption peak is 258-382 nm. It is used in screen printing inks, varnishes, lithographic inks, flexo inks, electronic products, and wood coatings. It can also be used as a photosensitizer to enhance the curing properties of UV 907. info at hhochem.com

Chemical name: 4,4'-Bis(diethylamino) benzophenone CAS No.: 90-93-7 Molecular formula:C21H28N2O Molecular weight: 324 Molecular structure Specification Appearance: Pale yellow powder Purity, %: ≥99 Melting point, ℃: 93 - 95 Moisture, %: ≤ 0.1 Application Photoinitiator EMK is an effective photoinitiator for curing pigmented and clear UV-curable, acrylated-based coatings, adhesives and inks. It has a strong absorption between 350 to 400 nm which makes it most suitable for pigmented and black UV coating. info at hhochem.com

Chemical name: 2,4-Diethylthioxanthone CAS No.: 82799-44-8 Molecular formula: C17H16OS Molecular weight: 268 Molecular structure Specification Appearance: Yellow crystalline powder Purity, %: ≥ 99 Melting point, °C: 66 - 70 Volatility, %: ≤ 0.5 Application Photoinitiator DETX is a highly effective Type II photoinitiator. In conjunction with tertiary amine synergists, it is used to initiate radical polymerization of unsaturated oligomers e.g. acrylates and used in UV-curing coatings and inks. It can be used in combination with mono or multi functional monomers as reactive diluents. info at hhochem.com

Chemical name: 2,2-Dimethoxy-1,2-diphenylethan-1-one CAS No.: 24650-42-8 Molecular formula: C16H16O3 Molecular weight: 256.3 Molecular structure Specification Appearance: White crystalline powder Purity, %: ≥ 99 Melting point, °C: 64 - 67 Volatility, %: ≤ 0.5 Ash, %: ≤ 0.1 Application Photoinitiator BDK is a highly efficient UV photoinitiator. It is one of the economical photoinitiators. It is sensitive and has good absorption in 340nm band. It is compatible with unsaturated polyesters, acrylate monomers and oligomers used in UV-curable systems. It can be used in the UV curing system, such as unsaturated polyester, styrene primer and filler on the surface of wood or wood substitutes, acrylic ink and varnish on paper, metal and plastic surfaces, resist gloss and print. info at hhochem.com

Chemical name: 2-Hydroxy-2-methylpropiophenone CAS No.：7473-98-5 Molecular formular：C10H12O2 Molecular weight：164.2 Molecular structure Specification Appearance: Transparent yellow liquid Purity, %: ≥98.5 Transmittance, %: 425nm ≥ 98.0 500nm ≥ 99.0 Color: ≤100Hazen Volatility, %: ≤ 0.1 Ash, %: ≤ 0.1 Application Photoinitiator 1173 is a high efficiency UV photoinitiator and has the characteristics of low odor, non yellowing and good color stability. It can be conveniently combined with other photoinitiators.It is used in UV curing coatings and inks, clear coatings for wood, plastics and metal, overprint varnish. It is especially recommended for UV-curable coatings that require long-term exposure to sunlight and yellowing resistance. It is Highly efficient photoinitiator for UV curing system info at hhochem.com

Chemical name: 2-Methyl-4'-(methylthio)-2-morpholinopropiophe , none CAS No.: 71868-10-5 Molecular formula: C15H21NO2S Molecular weight: 279 Molecular structure Specification Appearance: White crystal powder Purity, %: ≥ 99 Melting point, °C: 73-76 Volatility, %: ≤ 0.25 Ash, %: ≤ 0.1 Transmittance (10g/100ml Toluene): 425nm ≥ 85% 500nm ≥ 95% Application Photoinitiator 907 is a high-efficiency photoinitiator which is mainly used in UV curing coating system and ink. It can keep coating system and ink from yellowing and prolong storage. It can be used for the color ink system, paper, metal, and plastic glazing and electronic ink. And it also can be used as UV absorbent for cosmetics and other industries. info at hhochem.com