Cas(7727-43-7), 硫酸钡-阿拉丁试剂, 硫酸钡；重晶石,Barium sulfate,

货号 (SKU)	包装规格	是否现货
B112376-25g	25g	现货
B112376-100g	100g	现货
B112376-500g	500g	现货
B112376-2.5kg	2.5kg	现货

基本描述

规格或纯度	99.99% metals basis
英文名称	Barium sulfate
别名	重晶石
英文别名	Baryte
运输条件	常规运输
产品介绍	超细硫酸钡在面漆中有极高光泽度，低树脂要求，稳定的分散性，能阻止油漆结块，提升油漆品质，增加流动性。颗粒细小（其颗粒细度几乎和二氧化钛一样细小），且会在白色或有色颜料的颗粒之间有着隔离作用，使颜料的颗粒相互保持一定的距离，提高了颜料的效率。硝酸试粉法测定干旱作物含氮量。测定土壤消态氮。用于照相纸，人造象牙制造。橡胶填充剂。炼铜熔剂。超细硫酸钡可作汽车漆（电著底漆、底漆、色底漆、面漆）、工业漆（彩色钢板漆、高固体含量漆、常温干燥漆、粉体涂料、烤漆、UV及EB硬化漆、容器漆、水性及油性漆）、建筑涂料（乳胶漆、水性和油性漆）、木漆涂料、印刷油墨、热塑性塑胶、热固性塑胶、弹性胶和密封胶。

名称和标识符

EC号	231-784-4
IUPAC Name	barium(2+);sulfate
INCHI	InChI=1S/Ba.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChi Key	TZCXTZWJZNENPQ-UHFFFAOYSA-L
Canonical SMILES	[O-]S(=O)(=O)[O-].[Ba+2]
分子式	BaSO₄
UN Number	1564
PubChem CID	24414
分子量	233.39

化学和物理性质

溶解性	无味，无毒。1600℃以上分解。溶于热浓硫酸，不溶于水、有机物及无机酸，苛性碱溶液中，溶于热亚硫酸及热浓硫酸中。化学性质稳定，与碳共热还原为硫化钡。在空气中遇硫化氢或有毒气体也不变色。
密度	4.25
敏感性	对湿度敏感
沸点	1149°C
熔点	1580°C

安全信息

象形图	Health Hazard
信号词	Danger
危险声明	H412: Harmful to aquatic life with long lasting effects H402: Harmful to aquatic life H372: Causes damage to organs through prolonged or repeated exposure
WGK Germany	3
RTECS	CR0600000
个人防护装备	Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter

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