BMI 5100
BMI 5100 (CAS 105391-33-1) is a high-purity bismaleimide resin for CCL boards, aerospace composites, and high-temperature electronics. Purity ≥98%, Tg >260°C. China supplier with COA/MSDS.
EcoVadis Gold Certified Chemical Supplier: What Unifarm’s Top 5% Rating Means for Your Procurement
When sourcing chemicals from China, procurement managers face a recurring challenge: how do you verify that a supplier meets your company’s sustainability, ethics, and compliance standards — without conducting a full on-site audit for every vendor? EcoVadis has become the chemical industry’s standard answer. And for companies within the TfS (Together for Sustainability) network, a …
Vinylbenzyl Chloride (VBC/CMS): Applications in 5G CCL, Ion Exchange Resins, and Green Hydrogen
In advanced materials chemistry, few monomers offer the combination of reactivity and versatility found in vinylbenzyl chloride (VBC). Known commercially as chloromethylstyrene (CMS) or CMS-P, this bifunctional compound carries a polymerisable styrenic vinyl group and a highly reactive benzylic chloride on the same benzene ring — two distinct chemical handles that can be exploited independently …
Vinylbenzyl Chloride (VBC / CMS)
Chemical name: Vinylbenzyl chloride (mixed isomers) Synonyms: VBC, CMS, CMS-P, Chloromethylstyrene, 4-Chloromethylstyrene (para-isomer) CAS: 30030-25-2 Molecular formula: C9H9Cl Specification / COA: Item Standard COA Appearance Light yellow to colorless liquid Complies Vinylbenzyl chloride (GC) ≥97% 98.10% Ortho isomer — 16.94% Meta isomer — 3.97% Para isomer — ~77.19% Single bromine compound ≤1% GC Complies Other …
Fly Ash Heavy Metal Stabilisation: How PDMDTC Prevents Groundwater Contamination
Municipal solid waste incineration (MSWI) has become the dominant waste treatment route in China, Japan, South Korea, and much of Europe, driven by land scarcity and regulatory pressure to divert waste from landfill. But incineration does not eliminate heavy metals — it concentrates them. Bottom ash and, more critically, fly ash collected from bag filters …
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Potassium Dimethyldithiocarbamate
Chemical name: Potassium dimethyldithiocarbamate Synonyms: PDMDTC; Potassium N,N-dimethyldithiocarbamate; Dimethyldithiocarbamic acid potassium salt CAS: 128-03-0 EINECS: 204-875-1 Molecular formula: C₃H₆KNS₂ Molecular weight: 171.31 Specification / COA: Items Specifications Results Appearance Light yellow liquid Complies ASSAY 50% min 50.6% PH 9.5–12.5 12.2 NaOH 0.05%–0.35% 0.20% Density 1.2–1.3 1.23 Packing: 200 kg/drum or 1000 kg/IBC tote; customised packaging …
Pentaerythritol: Applications in Alkyd Resins, Lubricants, and Flame Retardants
Pentaerythritol (C(CH₂OH)₄, CAS 115-77-5) is one of the most versatile polyols in industrial chemistry. This white crystalline solid — produced by the condensation of acetaldehyde with formaldehyde in an alkaline medium — contains four hydroxyl groups arranged in a symmetrical tetrahedral geometry. That structural symmetry gives pentaerythritol its exceptional reactivity and the ability to form …
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Trimellitic Anhydride (TMA): Applications, Supply Outlook, and Why You Should Order Early
Trimellitic anhydride (TMA), chemically designated as 4-carboxyphthalic anhydride or 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid, is an aromatic anhydride with molecular formula C₉H₄O₅ and molecular weight 192.13 g/mol. Its unique bifunctionality — combining an anhydride group and a free carboxylic acid group in a single molecule — makes TMA one of the most versatile aromatic intermediates in the plastics, …
Trimesoyl Chloride (TMC): China’s Top-Quality RO Membrane Monomer
Trimesoyl chloride (TMC), also known as 1,3,5-benzenetricarbonyl trichloride, is an aromatic triacid chloride with the molecular formula C₉H₃Cl₃O₃ and molecular weight 265.48 g/mol. Produced by the chlorination of trimesic acid, TMC is one of the most strategically important specialty chemicals in global water treatment and membrane technology — the essential monomer that defines the performance …
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Trimesic Acid: Applications in RO Membranes, MOFs, and Specialty Chemicals
Trimesic acid (BTC), chemically known as 1,3,5-benzenetricarboxylic acid, is a symmetric aromatic tricarboxylic acid with a molecular weight of 210.14 g/mol. Its unique C3-symmetry and three reactive carboxyl groups make it an exceptionally versatile chemical building block across a wide range of high-performance industries — from water purification membranes to next-generation energy storage materials. Primary …
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