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1,4Bbutynediol (BYD ) its molecular formula is colorless or yellowish crystal , and dissolve easily in water and ethanol , but doest dissolvein ether or hydrocarbons . Its solid product can easily go into deliquescence in ari at over 250. It has poison , and has the chemical property of dihydroxy primary alcohols. It can have addition reactions .
Product appearance 工 业 级 试 剂 级
Superior product First-grade
product Second-grade
product superior
product First-grade
product Second-grade
Yellowish solid Colorless or yellowish crystal
Contentof 1,4-butyndediol%<= 98.0 97.0 95.0 99.0 98.5 98.0
Content of formaldehyde (based on formaldehyde) %<= - 0.50 0.80 1.00 0.50 0.80
Molten point0>=
50.0 50.00 50.0 55.0 54.0 53.0
Ash content%<= - - - 0.10 0.15 0.20
1,4-butynediol is mainly used to produce 1,4-butanediol and down-stream products , such as poly(butylenes terephthalate ) (PBT) , polyurethane(adhesive and chian extending agent) , tetrahydrofuran, r-butyrolactone, N-methylprrolidone , polyvinlpyrrolidone . It is also the major raw ma-terial of vitamin B6. Itcan be used as the brightening agent, preserving agent and inhibitor for nickel plating .
Package and Transport
This product is packaged with knitting sacks(inside the knitting sacks, it is packaged with plastic sacks sealed thermally ) . Every sack of this prod-uct weighs 20kg . Due to its chemical property , this product must be her-metically stored at cool and dry places , and be far away from fire source and heat source . Deliquescence should be acoided . Itshould not be placed together with strong alkaline substancec , and avoid contact with skin . when being transported this product should be labeled the sign of fireproof and moisture proof . when loading or unloading this product , you should take or lay it lightly to prevent breaking its prevent breaking its package to influence its quality .