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4-Chloro-4′-hydroxybenzophenone 42019-78-3 | Premium Grade | White Crystalline Powder 99 %
Advantage of our 4-Chloro-4′-hydroxybenzophenone 42019-78-3
Ultra-High Purity 99 %: Minimizes side reactions in UV-filter and pharmaceutical API synthesis.
• Low Moisture ≤0.5 %: Protects moisture-sensitive downstream processes such as Grignard reactions.
• Sharp Melting Range 177–182 °C: Guarantees batch-to-batch reproducibility for quality control labs.
• White Crystalline Powder: Excellent flowability for automated powder dosing systems.
• REACH-Pre-Registered: Streamlines regulatory filings across the EU and beyond. -
4-Hydroxybenzophenone CAS 1137-42-4 | ≥99.0 % Off-White Crystalline Powder | High-Performance UV-Blocker
4-Hydroxybenzophenone (4-HBP, CAS 1137-42-4) is an off-white crystalline powder with ≥99.0 % GC purity, melting point 132–135 °C, and ≤0.30 % loss on drying. The para-hydroxy group delivers strong UV-A/UV-B absorption and hydrogen-bonding reactivity, making it the preferred UV-filter intermediate, antioxidant stabilizer, and pharmaceutical scaffold worldwide. Each batch is vacuum-dried at <50 °C, nitrogen-flushed, and double-sealed to guarantee low moisture, low color, and long shelf life—critical for cosmetic actives, OLED encapsulants, and photopolymer formulations.
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4-Chlorobenzophenone CAS 134-85-0 | 99 % Min White Flake or Powder | UV-Grade Chlorinated Ketone for Photopolymers, Pharma
4-Chlorobenzophenone (CAS 134-85-0) is a white flake or free-flowing powder exhibiting a sharp melting point of 75–77 °C, ≥99 % GC purity, and ≤0.50 % loss on drying. The para-chloro substituent boosts UV absorption, lipophilicity, and chemical robustness, positioning the molecule as a cost-effective photoinitiator, pharmaceutical intermediate, and polymer additive across global markets. Every batch is vacuum-dried at ≤40 °C and double-screened to guarantee low moisture, minimal dust, and exceptional flowability—critical for automated dosing in 3D-printing resins, OLED encapsulants, and UV-curable adhesives.
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4-Phenylbenzophenone (CAS 2128-93-0) – 99 % Min White to-Off-White UV-Grade Ketone for Photopolymers, OLED
4-Phenylbenzophenone (CAS 2128-93-0) is a white-to-off-white crystalline powder with a melting point of 101–103 °C, ≥99 % GC purity, and ≤0.50 % loss on drying. The para-phenyl substitution extends π-conjugation, delivering high molar extinction coefficients and excellent photostability—ideal for UV-curable inks, OLED charge-transport layers, lithium-battery electrolyte photoinitiators, and high-performance polymer stabilizer
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4-Phenoxy-2′,2′-dichloroacetophenone | CAS 59867-68-4 | 99.5 % White Powder
4-Phenoxy-2′,2′-dichloroacetophenone (CAS 59867-68-4) is a bright white, free-flowing crystalline powder with an assay ≥99.5 % (GC). The strategic placement of a phenoxy spacer and geminal dichloroacetyl group imparts electrophilic selectivity, UV stability, and bioactivity synergy, positioning the molecule as the preferred building block for pyrethroid insecticides, antifungal APIs, and high-performance UV-absorber additives
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3-Fluoro-4-methoxyacetophenone (CAS 455-91-4) | ≥99.0 % White-to-Off-White Powder for Precision Synthesis & API Advancement
Fluoro-4-methoxyacetophenone, referenced under CAS 455-91-4, is a white-to-off-white crystalline powder with ≥99.0 % GC purity. The strategic placement of a fluorine atom ortho to the carbonyl and a para-methoxy group delivers enhanced electrophilicity, metabolic stability, and lipophilic balance, making this ketone a high-value scaffold for fluorinated APIs, agrochemical discovery, and OLED material research. Each lot is micronized to ≤100 µm to improve flowability and dissolution kinetics, while double-lined PE bags inside aluminum foil pouches guarantee moisture protection and extended shelf life.
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4-n-Butylacetophenone (CAS 37920-25-5) – 99.0 % min High-Purity Ketone for Pharma, Flavor
4-n-Butylacetophenone, catalogued under CAS 37920-25-5, is a clear to pale-yellow liquid ketone with ≥99.0 % GC purity. Its linear n-butyl chain grants exceptional lipophilicity and thermal stability, making it the preferred intermediate for NSAID synthesis, flavor & fragrance creation, and polymer additive R&D
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4-Isobutylacetophenone (CAS 38861-78-8) – High-Purity Aromatic Ketone for Pharmaceutical Fragrance
4-Isobutylacetophenone, identified by CAS 38861-78-8, is a yellow to colorless liquid aromatic ketone with ≥99% purity and ≤0.5% moisture
High Purity (≥99%) – Ensures optimal performance in sensitive chemical reactions.
Low Moisture (≤0.5%) – Prevents hydrolysis and degradation, extending shelf life.
Stable Physical Properties – Yellow to colorless liquid form for consistent handling.
Custom Packaging Available – Options from small-scale lab use to bulk industrial supply.
Reliable Supply Chain – Consistent availability for uninterrupted production schedules.
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4-Isopropylacetophenone CAS 645-13-6 – High-Purity Liquid Ketone for Fragrance, Pharma
4-Isopropylacetophenone (systematic name 1-(4-isopropylphenyl)ethan-1-one, CAS 645-13-6) is a transparent, light-yellow to colorless liquid with ≥99 % GC purity and moisture ≤0.20 %.
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2,4-Dimethoxyacetophenone CAS 829-20-9 – High-Purity White Crystalline Ketone for API, Flavor
Product introduction: 2,4-Dimethoxyacetophenone (CAS Number 829-20-9) is a high-purity aromatic ketone featuring two methoxy groups on the benzene ring at the 2- and 4-positions. This compound is widely used as a synthetic intermediate in the pharmaceutical, agrochemical, fragrance, and material science industries. It appears as a white crystalline powder and is available in purity ≥99.0%, ensuring consistent quality and excellent compatibility with a wide range of organic reactions. With a m... -
2,5-Dimethoxyacetophenone CAS 1201-38-3 – Ultra-Pure Liquid Ketal for Pharmaceutical, Agro & OLED Innovations
2,5-Dimethoxyacetophenone (systematic name 1-(2,5-dimethoxyphenyl)ethan-1-one, CAS 1201-38-3) is a colorless to light-yellow transparent liquid with a guaranteed purity of 99.50 % min (GC) and moisture ≤0.20 % (Karl Fischer).
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3,4-Dimethoxyacetophenone (CAS 1131-62-0) – Ultra-Pure Fine-Chemical Intermediate for APIs, Flavors & OLED Materials
3,4-Dimethoxyacetophenone, systematically known as 1-(3,4-dimethoxyphenyl)ethanone, is an off-white crystalline powder with a minimum purity of 99 % (GC). It is a versatile aromatic ketone widely utilized as a critical intermediate in the synthesis of cardiovascular APIs, vanillin-derived flavor enhancers, and advanced opto-electronic monomers. Our plant operates under ISO 9001:2015 and ISO 14001:2015 controls to deliver consistent particle size, low moisture and trace-metal levels that meet the strictest pharmaceutical and electronic-grade requirements.