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立德粉

立德粉
识别
CAS号 1345-05-7
PubChem 56846444
ChemSpider 27472957
性质
化学式
摩尔质量 330.80 g·mol⁻¹
外观 立德粉色(近白色)粉末
氣味 無味
密度 接近 4.36 g/mL
熔点 ZnS > 1,180°C

BaSO4 > 1,350 °C

溶解性 不可溶
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案
GHS提示词 Warning
H-术语 H302, H332
P-术语 P261, P264, P270, P271, P301+312, P304+312, P304+340, P312, P330, P501
NFPA 704
0
1
1
 
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

立德粉(英語:lithopone)又称锌钡白是一种白颜料,分子式为,CAS號為 1345-05-7。

立德粉是一種白色粉末,是硫化鋅硫酸鋇混合物,不具性,它的顏色又稱立德粉色锌钡白色

立德粉難溶於水,可以與酸性物質作用會分解而釋放硫化氫,但是不會與鹼性物質硫化氫發生化學反應

立德粉具有良好的耐热性,將物體塗上一層立德粉可改善其耐候性,並且防止藻類青苔生長,並且成本低,不易透光的白粉末,其遮光率僅次於鈦白

立德粉可由硫酸锌硫化钡溶液混合后取沉淀,再煅烧至红热,然后倾入中急剧冷却而制得。

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立德粉
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