磷酸，Phosphoric acid；ACS reagent, ≥85 wt. % in H2O

等级

ACS reagent

质量水平

200

蒸汽密度

3.4 (vs air)

蒸汽压

2.2 mmHg ( 20 °C)
5 mmHg ( 25 °C)

测定

≥85% H₃PO₄ basis (by NaOH, titration)

形式

liquid

浓度

≥85 wt. % in H₂O

technique(s)

NMR: suitable

杂质

reducing substances, passes test
≤0.001% volatile acids (as CH₃COOH)

颜色

APHA: ≤10

bp

158 °C (lit.)

mp

~40 °C (lit.)

密度

1.685 g/mL at 25 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤3 ppm
nitrate (NO₃^-): ≤5 ppm
sulfate (SO₄^2-): ≤0.003%

痕量阳离子

As: ≤1 ppm
Ca: ≤0.002%
Fe: ≤0.003%
K: ≤0.005%
Mg: ≤0.02%
Mn: ≤0.5 ppm
Na: ≤0.025%
Sb: ≤0.002%
heavy metals: ≤0.001% (by ICP)

SMILES string

OP(O)(O)=O

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

Gene Information

human ... SRC(6714)

象形图

GHS05,GHS07

警示用语：

Danger

危险声明

H290 - H302 - H314

预防措施声明

P234 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338

危险分类

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

储存分类代码

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

个人防护装备

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter