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Nitrosonium hexafluorophosphate

CAS No.
16921-91-8
Chemical Name:
Nitrosonium hexafluorophosphate
Synonyms
NITROSYL HEXAFLUOROPHOSPHATE;hexafluoro-phosphate nitrosyl;hexafluoro-phosphate(1-nitrosyl;nitrosyl hexafluorophosphate(v);Nitrosonium hexafluorophosphate;nitrosyl hexafluorophosphate(1-);Nitrosoniumhexafluorophosphate98%;NITROSONIUM HEXAFLUOROPHOSPHATE(V);nitrilooxonium hexafluorophosphate;Nitrosonium hexafluorophosphate,95%
CBNumber:
CB1755792
Molecular Formula:
F6H2NOP
Molecular Weight:
176.99
MDL Number:
MFCD00040324
MOL File:
16921-91-8.mol
MSDS File:
SDS
Last updated:2026-09-12 18:50:05

Nitrosonium hexafluorophosphate Properties

solubility Soluble in acetonitrile.
form Crystals
color Colorless or white
Sensitive Hygroscopic
CAS DataBase Reference 16921-91-8(CAS DataBase Reference)
EPA Substance Registry System Phosphate(1-), hexafluoro-, nitrosyl (16921-91-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314-H318
Precautionary statements  P260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a
Hazard Codes  C,T
Risk Statements  34
Safety Statements  45-36/37/39-26-24/25
RIDADR  1759
Hazard Note  Toxic/Corrosive/Hygroscopic
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  III
HS Code  28269090
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
0
3 0

Nitrosonium hexafluorophosphate price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Strem Chemicals 93-0736 Nitrosonium hexafluorophosphate, min. 97% 16921-91-8 10g $250 2024-03-01 Buy
Apolloscientific PC5280 Nitrosonium hexafluorophosphate 96% 16921-91-8 5g $180 2026-06-04 Buy
Apolloscientific PC5280 Nitrosonium hexafluorophosphate 96% 16921-91-8 25g $647 2026-06-04 Buy
SynQuest Laboratories M007-2-73 Nitrosyl hexafluorophosphate 16921-91-8 100g $750 2026-05-22 Buy
Matrix Scientific 006437 Nitrosonium hexafluorophosphate 16921-91-8 5g $104 2021-12-16 Buy
Product number Packaging Price Buy
93-0736 10g $250 Buy
PC5280 5g $180 Buy
PC5280 25g $647 Buy
M007-2-73 100g $750 Buy
006437 5g $104 Buy

Nitrosonium hexafluorophosphate Chemical Properties, Uses, Production

Chemical Properties

Colorless or white crystals

Uses

Nitrosonium Hexafluorophosphate, is used as initiator in the polymerization reactions of 1,2-epoxides such as styrene oxide, cyclohexene oxide and 1,2-epoxybutane. Further, it is involved in the polymerization of styrene, n-butyl vinyl ether and tetrahydrofuran.

Nitrosonium hexafluorophosphate Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 56)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
3B Pharmachem (Wuhan) International Co.,Ltd. 18930552037 3bsc@sina.com China 15813 69
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Clearsynth Labs Limited +91-22-26355700 info@clearsynth.com India 9656 58
Shandong Xiya Chemical Co., Ltd. 4009903999 13395398332 sales@xiyashiji.com China 20788 60
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Shandong Ono Chemical Co., Ltd. 0539-6362799 20) China 9998 58
Rhawn Reagent 400-400-1332688 18019345275 huyue@rhawn.cn China 14942 58
nitrilooxonium hexafluorophosphate NITROSONIUM HEXAFLUOROPHOSPHATE(V) NITROSONIUM (NITROSYL) HEXAFLUOROPHOSPHATE NITROSYL HEXAFLUOROPHOSPHATE hexafluoro-phosphate(1-nitrosyl Nitrosoniumhexafluorophosphate,min.97% nitrosyl hexafluorophosphate(v) Nitrosonium hexafluorophosphate 98% Nitrosonium hexafluorophosphate,95% Nitrosoniumhexafluorophosphate98% hexafluoro-phosphate nitrosyl Nitrosonium hexafluorophosphate, min. 97% nitrosyl hexafluorophosphate(1-) Phosphate(1-), hexafluoro-, nitrosyl (1:1) NITROSONIUM HEXAFLUOROPHOSPHATE ISO 9001:2015 REACH Nitrosonium hexafluorophosphate 16921-91-8 F6NOP NOPF6 F6PNO metal fluorophosphate complex