CAS 7440-58-6|Hydrofluoric acid

Introduction：Basic information about CAS 7440-58-6|Hydrofluoric acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
4. Safety Information
5. Articles25
6. Synonyms

Common Name	Hydrofluoric acid
CAS Number	7440-58-6	Molecular Weight	178.490
Density	13,31 g/cm3	Boiling Point	19.5±9.0 °C at 760 mmHg
Molecular Formula	Hf	Melting Point	2227 °C(lit.)
MSDS	ChineseUSA	Flash Point	/
Symbol	GHS02	Signal Word	Danger

Names

Name	hafnium atom
Synonym	More Synonyms

Chemical & Physical Properties

Density	13,31 g/cm3
Boiling Point	19.5±9.0 °C at 760 mmHg
Melting Point	2227 °C(lit.)
Molecular Formula	Hf
Molecular Weight	178.490
Exact Mass	179.946503
Vapour Pressure	922.1±0.0 mmHg at 25°C
InChIKey	VBJZVLUMGGDVMO-UHFFFAOYSA-N
SMILES	[Hf]
Stability	Stable. Incompatible with oxygen, sulfur, strong oxidizing agents, halogens, phosphorus, strong acids. Highly flammable.

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MG4600000

CHEMICAL NAME :: Hafnium

CAS REGISTRY NUMBER :: 7440-58-6

LAST UPDATED :: 199712

DATA ITEMS CITED :: 23

MOLECULAR FORMULA :: Hf

Safety Information

Symbol	GHS02
Signal Word	Danger
Hazard Statements	H228
Precautionary Statements	P210
Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	T+:Verytoxic;
Risk Phrases	R26/27/28;R35
Safety Phrases	S9-S16-S26-S27-S33-S36-S36/37/39
RIDADR	UN 3178 4.1/PG 3
WGK Germany	-
RTECS	MG4600000
Packaging Group	III
Hazard Class	8

Articles25

182Hf-182W age dating of a 26Al-poor inclusion and implications for the origin of short-lived radioisotopes in the early Solar System.

Proc. Natl. Acad. Sci. U. S. A. 110(22) , 8819-23, (2013)

Refractory inclusions [calcium-aluminum-rich inclusions, (CAIs)] represent the oldest Solar System solids and provide information regarding the formation of the Sun and its protoplanetary disk. CAIs c...

Dispersion engineering of thick high-Q silicon nitride ring-resonators via atomic layer deposition.

Opt. Express 20(25) , 27661-9, (2012)

We demonstrate dispersion engineering of integrated silicon nitride based ring resonators through conformal coating with hafnium dioxide deposited on top of the structures via atomic layer deposition....

Concentration dependence in kinetic arrest of the first-order magnetic transition in Ta doped HfFe2.

J. Phys. Condens. Matter 25(6) , 066011, (2013)

Magnetic behavior of the pseudo-binary alloy Hf(1-x)Ta(x)Fe(2) has been studied, for which the zero-field ferromagnetic (FM) to antiferromagnetic (AFM) transition temperature is tuned near to T = 0 K....

Synonyms

Fluoride hydrogen

HAFNIUM

MFCD00011032

HafniumpowderZr

Celtium

hafniumpowder,dry

hafniumpowder

HafniumZrwire

Hydrofluoric acid

HAFNIUM METAL

Hydrogen fluoride

Hydrogen fluoride, anhydrous [UN1052] [Corrosive]

EINECS 231-166-4

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