3,5-Dihydroxybenzaldehyde CAS 26153-38-8

Product Identification Chemical name: 5-Acryloyloxy-2,6-norbornanecarbolactone Synonyms: Hexahydro-2-oxo-3,5-methano-2H-cyclopenta[b]furan-6-yl 2-propenoate CAS No.: 242129-35-7 Molecular formula: C11H12O4 Molecular weight: 208.21 Specification Appearance: White to off-white solid Purity: 98.00%min by HPLC Moisture: 0.50%max Package Regular Packing: N.W 5kg/plastic drum Sample Packing: 0.1kg-0.5kg foil bag Transport Information Classification: Non-dangerous goods HS Code: 2932209090 Status & Application Status: Lab scale Application: Used as a raw material of Photoresist polymer

Product Identification Chemical name: 4-Acetoxystyrene Synonyms: 4-Ethenylphenol acetate, 4-Vinylphenyl acetate CAS No.: 2628-16-2 Molecular formula: C10H10O2 Molecular weight: 162.19 Boiling point: 260 ℃ @ 760 mmHg Refractive index: 1.538 Specification Appearance: Coloress transparent liquid Purity: 99.00%min by GC Moisture: 0.20%max Polymerization Inhibitor: 200-300 ppm Metals content (Na, Ka, Mg, Fe, Cu, Mn, Ni, Cr, Al, Ca, Zn): Each 50 ppb max Package Regular Packing: N.W 200kg/iron drum lined with plastic Sample Packing: 0.1kg-1kg plastic bottle Transportation Information Classification: Non-dangerous goods HS Code: 2915390090 Status & Application Status: Industrial scale 4-Acetoxystyrene [2628-16-2] can be used to synthesize Poly(p-hydroxystyrene) as the main component of photoresist.

Product Identification Chemical name: Benzo-15-crown-5 Synonyms: Benzo-15-crown-5 ether, Benzo-15-crown ether-5 CAS No.: 14098-44-3 Molecular formula: C14H20O5 Molecular weight: 268.31 Melting point: 78-82 ℃ Specification Appearance: White to off-white solid Purity: 99.00%min by HPLC/GC Moisture: 0.50%max by KF Analysis data: HPLC GC NMR for Benzo-15-Crown-5 CAS 14098-24-9 Package Regular Packing: N.W 25kg/fiber drum Sample Packing: 0.1kg/0.5kg/1.0kg foil bag or under requests Transportation Information Classification: Non-dangerous goods HS Code: 2932999090 SDS Document: SDS for Benzo-15-Crown-5 CAS 14098-24-9 Status & Application Status: tons scale level Application: Benzo-15-crown-5(14098-44-3) is mainly used in phase-transfer catalyst system.

Product Identification Chemical name: 4'-Nitrobenzo-15-crown-5 Synonyms: 4-Nitrobenzo-15-crown-5, 4'-Nitrobenzo-15-crown-5 ether, 4-Nitrobenzo-15-crown-5 ether, 2,3-(4-Nitrobenzo)-1,4,7,10,13-pentaoxacyclopentadec-2-ene CAS No.: 60835-69-0 Molecular formula: C14H19NO7 Molecular weight: 313.30 Melting point: 93-97 ºC Specification Appearance: Pale yellow solid Purity: 98.00%min by HPLC Moisture: 0.50%max by KF Package Regular Packing: N.W 25kg/fiber drum Sample Packing: 0.1kg-1kg foil bag or under request Transportation Information Classification: Non dangerous goods HS Code: 2932999090 Application Chloroform–water extraction systems have been studied using crown-ethers as extracting agents, namely: benzo-15-crown-5 (B15C5), 2,3-naphtho-15-crown-5 (N15C5), 4′-nitro-benzo-15-crown-5 (NO2B15C5), 4′-tert-butyl-benzo-15-crown-5 (TBB15C5), and 4′-acetyl-benzo-15-crown-5 (AcB15C5).