310484
亚硝酸钾
ACS reagent, ≥96.0%
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关于此项目
经验公式（希尔记法）:
KNO2
化学文摘社编号:
分子量:
85.10
NACRES:
NB.24
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-832-4
MDL number:
Assay:
≥96.0%
Grade:
ACS reagent
Form:
powder or crystals
Solubility:
water: soluble (718.8 g/l at 25 °C (77 °F))
InChI
1S/K.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
InChI key
BXNHTSHTPBPRFX-UHFFFAOYSA-M
SMILES string
[K+].[O-]N=O
grade
ACS reagent
assay
≥96.0%
form
powder or crystals
impurities
≤0.01% insolubles
pH
7-10 (25 °C, 50 g/L)
mp
350 °C (dec.) (lit.)
solubility
water: soluble (718.8 g/l at 25 °C (77 °F))
anion traces
chloride (Cl-): ≤0.03%, sulfate (SO42-): ≤0.01%
cation traces
Ca: ≤0.005%, Fe: ≤0.001%, Mg: ≤0.002%, Na: ≤0.5%, heavy metals (as Pb): ≤0.001%
Quality Level
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General description
亚硝酸钾是一种离子盐，可用于多种化学反应，包括构型反转、通过二磺酰酰胺取代胺、亲核芳香硝化、重氮化、亚硝化和核苷硝化。
Application
亚硝酸钾可用作：
- 亲核试剂，将双氯芬酸和二苯胺亚硝化成相应的 N-亚硝基衍生物。
- 亚硝酸源，用于芳胺的重氮化。
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
危险化学品
此项目有
Ledgard J.
The Preparatory Manual of Explosives., 167-167 (2014)
Reactions of 4-nitrophthalic anhydride with potassium fluoride and potassium nitrite.
Markezich RL, et al.
The Journal of Organic Chemistry, 42(21), 3435-3436 (1977)
Potassium Nitrite
Moriarty R, et al.
e-EROS Encyclopedia of Reagents for Organic Synthesis (2001)
On the crystal structure of the trigonal (and cubic) phase of potassium nitrite.
Solbakk JK and Str?mme KO.
Acta Chemica Scandinavica, 23(1), 20-20 (1969)
A new nitrite ionic liquid (IL-ONO) as a nitrosonium source for the efficient diazotization of aniline derivatives and in-situ synthesis of azo dyes
Valizadeh H, et al.
Dyes and Pigments, 92, 1138-1143 (2012)
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