Hydrogen Fluoride- ( HF )

Name: Hydrogen Fluoride- ( HF )
Availability: hydrogen-fluoride-hf-273876.html

Category:Fine Chemicals > Other Fine Chemicals
Product Name:Hydrogen Fluoride- ( HF )
Standard:In-house Standards
Price(USD):Negotiable
Company:Shanghai Wechem Technology Limited

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Basic Info

Grade: Pharmaceutical Grade

Factory Location: Building A311, Building A, No. 1255 Jinhai Road, Pudong New Area, Shanghai (Dingxin Building)

Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Sample Provided: no

Payment Terms: L/L

pecifications
Purity , %	99.98
Water	≤ 50 ppmw
Fluorosilicic Acid	≤ 50 ppmw
Sulfur Dioxide	≤ 30 ppmw
Non-volatile Acid	≤ 50 ppmw

Ship
DOT Shipping Name	Hydrogen Fluoride , Anhydrous
DOT Classification	8
DOT Label	Nonflammable Gas
UN Number	UN 1790
CAS No.	7664-39-3
CGA/DISS	660/638

Technical Information
Cylinder State @ 21.1°C	Liquid
Flammable Limits In Air	Non-flammable
Auto Ignition Temperature (°C )	-
Molecular Weight (g/mol)	20.01
Specific gravity (air =1)	0.99
Critical Temperature ( °C )	188
Critical Pressure ( psig )	2939.3

Applications
· In semiconductor fabrication: native oxide etch from silicon wafers · In various chemical reactions.

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