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31434-M

氯化钠

Name: 氯化钠
Brand: SIAL

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

别名:

NaCl, 岩盐

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关于此项目

线性分子式:

NaCl

化学文摘社编号:

7647-14-5

分子量:

58.44

UNSPSC Code:

12352302

NACRES:

NA.21

PubChem Substance ID:

329753765

EC Number:

231-598-3

Beilstein/REAXYS Number:

3534976

MDL number:

MFCD00003477

Assay:

≥99.5%

Form:

solid

Solubility:

water: soluble 100 mg/mL, clear, colorless

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属性

agency

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

vapor pressure

1 hPa ( 865 °C)

grade

ACS reagent, puriss. p.a.

assay

≥99.5%

form

solid

impurities

acidity or alkalinity, complies, ≤0.0001% hexacyanoferrate(II), ≤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), ≤10 mg/kg total nitrogen (N)

loss

≤0.2% loss on drying, 130 °C

pH

5.0-8.0 (25 °C, 5%)

mp

801 °C (lit.)

solubility

water: soluble 100 mg/mL, clear, colorless

anion traces

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

cation traces

Al: ≤0.00002%, As: ≤0.00005%, Ba: ≤0.001%, Ca: ≤0.002%, Fe: ≤0.0001%, K: ≤0.005%, Mg: ≤0.0005%, heavy metals: ≤3 mg/kg (by ICP-OES)

suitability

complies for appearance of solution

SMILES string

[Na+].[Cl-]

InChI

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

InChI key

FAPWRFPIFSIZLT-UHFFFAOYSA-M

说明

General description

Crystals of sodium chloride belong to the cubic crystal system. It is widely employed preservative for meat, vegetable and fish products. Its effect on the growth of salmonellae (mixed inoculum of Salmonella thompson, S. stanley and S. infantis) has been investigated in laboratory medium.

Application

Sodium chloride was used in the dissolution of polymers such as poly(allylamine hydrochloride), sodium poly(styrenesulfonate) and poly(acrylic acid).

Packaging

本品也提供玻璃瓶包装。

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存储类别

13 - Non Combustible Solids

flash_point_f

Not applicable

flash_point_c