310484
Potassium nitrite
ACS reagent, ≥96.0%
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About This Item
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
Application
- A nucleophile for the nitrosation of diclofenac and diphenylamine into their corresponding N-nitroso derivatives.
- A nitrous acid source for the diazotization of arylamines.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2
Storage Class
5.1B - Oxidizing hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Listings
Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.
Deleterious substance
pdsc
Group 1: Oxidizing solids + Nitrites + Hazardous rank I + 1st oxidizing solid
fsl
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified
310484-BULK: + 310484-100G:4548173133164 + 310484-500G:4548173133171 + 310484-VAR: + 310484-5G:4548173255378
jan
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