蒸汽密度
3.4 (vs air)
质量水平
蒸汽压
2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)
等级
puriss. p.a.
检测方案
≥99.0% (T)
形式
powder or crystals
质量
crystallized
杂质
≤0.002% KMnO4-reducing matter (as O)
bp
158 °C (lit.)
mp
~40 °C (lit.)
~40 °C
溶解性
water: 850 g/L at 20 °C
密度
1.685 g/mL at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤5 mg/kg
nitrate (NO3-): ≤5 mg/kg
phosphite, hypophosphite (as H3PO3): ≤500 mg/kg
sulfate (SO42-): ≤30 mg/kg
痕量阳离子
As: ≤1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤10 mg/kg
K: ≤5 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤50 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg
SMILES字符串
OP(O)(O)=O
InChI
1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChI key
NBIIXXVUZAFLBC-UHFFFAOYSA-N
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相关类别
一般描述
本品为结晶磷酸。
磷酸（H3PO4）也称为正磷酸。它在各种制造过程中充当中介或试剂。磷酸可见于化肥、洗涤剂和其他家用清洁产品中。
应用
在一项研究中使用磷酸作为氧化剂。1 其可用于制备磷酸铵。
磷酸可用作：
- 在亚胺的亲核加成反应中作为催化剂。
- 合成多孔磷酸基地质聚合物。
- 在乙酸酐环境下，从简单脂肪醇合成单烷基磷酸盐。
其他说明
浓磷酸大约为 85% H3PO4(水溶液)。
注意
加热至 50°C 时，产品可能变成固体，变成液体
警示用语：
Danger
危险声明
危险分类
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
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