氯化钠

等级

ACS reagent
puriss. p.a.

质量水平

200

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

蒸汽压

1.33 hPa ( 865 °C)

检测方案

≥99.5%

形式

solid

杂质

acidity or alkalinity, complies
≤0.0001% hexacyanoferrate(II)
≤0.001% total nitrogen (N)
≤0.005% free acid (as HCl)
≤0.005% free alkali (as NaOH)
≤0.005% in water insoluble matters
≤0.01% Mg, alkaline earth metals (as Ca)

缺失

≤0.2% loss on drying, 130 °C

pH值（酸碱度）

5.0-8.0 (25 °C, 5%)

mp

801 °C (lit.)

溶解性

water: soluble 100 mg/mL, clear, colorless

痕量阴离子

bromide (Br^-): ≤50 mg/kg
chlorate, nitrate (as NO₃^-): ≤30 mg/kg
iodide (I^-): ≤10 mg/kg
phosphate (PO₄^3-): ≤5 mg/kg
sulfate (SO₄^2-): ≤10 mg/kg

痕量阳离子

Al: ≤0.2 mg/kg
As: ≤0.5 mg/kg
Ba: ≤10 mg/kg
Ca: ≤20 mg/kg
Fe: ≤1 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
heavy metals: ≤3 ppm (by ICP-OES)

适用性

complies for appearance of solution

SMILES字符串

[Na+].[Cl-]

InChI

1S/ClH.Na/h1H;/q;+1/p-1

InChI key

FAPWRFPIFSIZLT-UHFFFAOYSA-M