硫磺

sulphur

别名

硫

危险性类别（GHS）

易燃固体,类别2

关联运输条目

1 个 UN 编号

外观与性状

Dry Powder; Wet Solid; Other Solid; Large Crystals; CBI; Large Crystals; Other Solid; Dry Powder; Large Crystals; Large Crystals; Wet Solid; Large Crystals; Liquid; Liquid; Dry Powder; Other Solid

颜色

Pure sulfur exists in two stable crystalline forms, alpha and beta, and at least two amorphous (liquid) forms. Alpha-sulfur: rhombic, octahedral, yellow crystals; beta-sulfur: monoclinic, prismatic, p…

气味

Pure sulfur is odorless, but traces of hydrocarbon impurity may impart an oily and/or rotten egg odor

沸点

444.61 °C

熔点

95.3 °C /(Sulfur rhombic transforms to monoclinic)/; 115.21 °C /Sulfur (monoclinic)/

闪点

405 °F (207 °C) (Closed cup)

自燃温度

450 °F (232 °C)

密度

Amber-colored crystals. The stable at ordinary temperature, density: 2.06; when heated to 94.5 °C becomes opaque owing to formation of monoclinic sulfur /alpha-Sulfur/

蒸气相对密度

Density of vapor/density of air, 470 °C: 7.837

蒸气压

3.95X10-6 mm Hg at 30.4 °C

溶解性

Liquid ammonia (anhydrous) dissolves 38.5% sulfur at -78 °C; acetone dissolves 2.65% at 25 °C; methylene iodide dissolves 9.1% at 10 °C; chloroform dissolves about 1.5% at 18 °C

粘度

Dynamic viscosity of liquid (Pa.s): 0.17 at 120 °C; 0.008 at 140 °C; 0.0064 at 158 °C; 5.952 at 160 °C; 86.304 at 180 °C; 93.0 at 187.8 °C; 78.864 at 200 °C; 3.72 at 300 °C

数据来自 PubChem（美国 NIH/NLM，CID 5362487）实验值摘录，保留原值与单位未做换算； 不同来源的测定条件不同，数值可能有差异，以 SDS/官方文本为准。

关联的危险货物（UN）

「关联方式」说明这条链接是怎么来的：cas CAS 号一致、 name 名称一致、qualifier 剥离纯度/形态限定后一致、 manual 人工复核确认。

可检索到的名称

权威数据源 · 更多资料

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