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31263

硝酸钾

Name: 硝酸钾
Brand: SIGALD

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99%

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关于此项目

经验公式（希尔记法）:

KNO₃

化学文摘社编号:

7757-79-1

分子量:

101.10

NACRES:

NB.24

PubChem Substance ID:

329753710

UNSPSC Code:

12352302

EC Number:

231-818-8

MDL number:

MFCD00011409

Assay:

≥99%

Form:

crystalline

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属性

Quality Level

200

agency

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

grade

ACS reagent, puriss. p.a.

assay

≥99%

form

crystalline

impurities

≤0.001% ammonium (NH₄), ≤0.005% water insolubles

pH

5.5-7.5 (20 °C, 5%)

mp

334 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg, iodate (IO₃^-): ≤5 mg/kg, nitrite (NO₂^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg

cation traces

Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, Mg: ≤20 mg/kg, Na: ≤50 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤5 ppm (by ICP-OES)

SMILES string

[K+].[O-][N+]([O-])=O

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

说明

General description

硝酸钾（KNO₃）是一种水溶性无机盐，通常用作硝离子的来源。它也被用作各种有机转化的助催化剂。

Application

硝酸钾可用于以下反应：

以 KNO₃/Al₂O₃ 为碱型多相催化剂，通过酯交换反应生产生物柴油。
KNO₃/Br₂ 催化体系用于硫化物和醇类的有氧氧化。

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pictograms

GHS03

signalword

Warning

hcodes

H272

pcodes

P210 - P220 - P280 - P370 + P378 - P501

Hazard Classifications

Ox. Sol. 3

存储类别

5.1B - Oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

易制爆化学品

危险化学品

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货号	GTIN
31263-1KG	04061826682463
31263-6X1KG	04061833030752
31263-100G	04061826682456
31263-4X5KG	04061833030738
31263-500G	04061826682470
31263-5KG	04061833030745
31263-6X500G	04061833030769