China Suppliers > Tianjin Yuansu Chemical Reagent Co., LTD > 1,4-Butanediol
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- Region :China/Tianjin
- Tel : +86-22-83739603
- Fax : +86-22-23989438
- Email :sales@yuansu-reagent.com
- URL :www.yuansu-reagent.com/cpzs
- Add :No. 268, Yuliang Street, Dagang Street, Binhai New Area, Tianjin, China
- Details for 1,4-Butanediol
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1,4-Butanediol 110-63-4
Category : Intermediates/Pharmaceutical intermediates
CAS NO : 110-63-4 EC NO : 203-786-5 MF : C4H10O2 MW : 90.121 Specification : 99% min Packing : 25kg，50kg 200kg Product description : What is the chemical of 1,4-Butanediol? Appearance: Colorless transparent or oily liquid, may solidify into a solid at low temperatures; Has a weak sweet taste, no odor, and strong moisture absorption ; Assay：99%min by GC ; IR Identity: conform to standard ; HNMR： conform to standard ; carbon spectrum: conform to standard ; Water by K. F.:0.5% max or as per the customer’s request ; Loss on drying:0.5% max. or as per the customer’s request ; Melting point: 16 °C（lit.）; boilin============================================================================= Main purpose: Industrial synthesis: used for the production of polybutylene terephthalate (PBT), polyurethane, gamma butyrolactone (GBL), and tetrahydrofuran (THF) Solvent and additive: used as gas chromatography stationary phase, non-toxic antifreeze agent, food emulsifier, hygroscopic agent, plasticizer intermediate, etc Cosmetics and daily chemical products: used as solvents and wetting agents for skincare and daily chemical products Pharmaceuticals and pesticides: used for synthesizing vitamin B6, herbicides, and other organic compounds ============================================================================ Synthetic route In industry, 1,4-butanediol is mainly produced through the following methods: Acetylene method (traditional process): Acetylene and formaldehyde generate 1,4-butynediol under the action of Cu Bi catalyst; Further hydrogenation catalyzed by nickel to obtain 1,4-butanediol Maleic anhydride hydrogenation method (modern mainstream): Direct hydrogenation of maleic anhydride (MA) to produce γ - butyrolactone, followed by further hydrogenation to obtain 1,4-butanediol Butadiene method: 1,3-Butadiene reacts with acetic acid and oxygen to produce 1,4-diacetoxy-2-butene, which is then hydrogenated and hydrolyzed to obtain 1,4-Dichlorobutene method: Produced by hydrolysis and hydrogenation of intermediate 1,4-dichlorobutene in chloroprene production g point: 230 °C（lit.）; Uses : Cosmetics and daily chemical products Synonyms : 1,4-Butylene glycol;Tetramethylene glycol;butane-1,4-diol;butane-1,1-diol;BDO; Molecular Structure : 
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1,4-Butanediol