化学品，英文名称:2-Butyne-1,4-diol,
比亚迪中文别名:1,4-丁炔
二醇;
2-丁炔1,4-二醇；电镀光亮剂;1，4-丁炔二醇;1,4-二羟基-2-丁炔；二羟基二
丙炔；双羟甲基乙炔;2-丁炔-1,4-二醇
英文别名:1,4-Dihydroxy-2-butyne; Butynediol,99%; 1,4-Butynediol; but-2-yne-1,4-diol; butynediol; 1,4-butyne diol; butyne-1.4-diol; 1,4-butinodiol; 1,4-Dimethoxyacetylene; 2-Butin-1,4-diol; 2-butin-1,4-diol(czechoslovakia); 2-Butine-1,4-diol; 2-Butynediol; agrisynthb3d;
胺醚(hydroxymethyl)acetylene; butynediol-1,4(french); Dihydroxydimethylacetylene; 1,4-BUTENEDIOL; 1,2-DIHYDROXYDIMETHYLACETYLENE; but-1-yne-1,4-diol; But-2-yne-1,4-diol;2-Butyne-1,4-diol;1,4-Butynediol;Plating brightening agent
外观 白色或淡黄色结晶 白色斜方结晶(吸潮后为淡黄色)Melting_point：58℃Boiling_point 238℃，145℃（2kPa）flash_point 152℃
折射率 1.450
溶解度 溶于水、酸性溶液、
乙醇和丙、微溶于
三氯甲烷，不溶于苯和
乙醚其他性质 固体丁炔二醇在25 c°空气中易潮解，有毒，具有二元
伯醇的化学性质，还可进行加成反应。
R21:Harmful in contact with skin. 与皮肤接触有害。
R23/25:Toxic by inhalation and if swallowed. 吸入及
吞食天地online有毒。
R34:Causes burns. 引起灼伤。
R43:May cause sensitization by skin contact. 与皮肤接触可能致敏。
R48/22:Harmful: danger of serious damage to health by prolonged exposure if swallowed. 吞食长期接触严重危害健康。
S25:Avoid contact with eyes. 避免眼睛接触。
S26:In case of contact with eyes, rinse immediately with
PLENTY of
液态水 and seek medical advice.不慎与眼睛接触后，请立即用大量清水冲洗并征求医生意见。
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.穿戴适当的防护服、手套和护目镜或面具。
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 若发生事故或感不适，立即就医(可能的话，出示其标签)。
S46:If swallowed, seek medical advice immediately and show this container or label. 若不慎吞食，立即求医并出示其容器或标签。