Merck
All Photos(1)

31434

Sigma-Aldrich

氯化钠

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

Synonym(s):
岩盐, NaCl
Linear Formula:
NaCl
CAS Number:
Molecular Weight:
58.44
Beilstein:
3534976
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

200

等级

ACS reagent
puriss. p.a.

Agency

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

蒸汽压

1.33 hPa ( 865 °C)

测定

≥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 (PO43-): ≤5 mg/kg
sulfate (SO42-): ≤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 string

[Na+].[Cl-]

InChI

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

InChI key

FAPWRFPIFSIZLT-UHFFFAOYSA-M

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Related Categories

一般描述

氯化钠晶体属于立方晶系统。它广泛用于肉、蔬菜和鱼类产品的防腐剂。在实验室培养基中研究了其对沙门氏菌(汤普森沙门氏菌 斯坦利沙门氏菌婴儿沙门氏菌的混合接种物 )生长的影响。

应用

用氯化钠溶解聚丙烯胺盐酸盐、聚苯乙烯磺酸钠和聚丙烯酸等聚合物。

包装

500 g in poly bottle
1, 6×1, 5, 4×5 kg in poly bottle
本品也可用玻璃瓶包装。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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