Halocarbon 32 - Difluoromethane - ( CH2F2 )

Name: Halocarbon 32 - Difluoromethane - ( CH2F2 )
Availability: halocarbon-32-difluoromethane-ch2f2-273890.html

Category:Fine Chemicals > Other Fine Chemicals
Product Name:Halocarbon 32 - Difluoromethane - ( CH2F2 )
CAS No.:75-10-5
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

Specifications
Purity , %	99.99
Oxygen	≤10 ppmv
Nitrogen	≤40 ppmv
Carbon Dioxide	≤5 ppmv
Water	≤15 ppmv
Acidity as HCL	≤0.2 ppmw

Ship
DOT Shipping Name	Difluoromethane
DOT Classification	2.1
DOT Label	Flammable Gas
UN Number	UN 3252
CAS No.	75-10-5
CGA/DISS/JIS	350/724/W22-14L
Shipped as	Liquefied Gas

Technical Information
Cylinder State @ 21.1°C	Liquid
Flammable Limits In Air
Auto Ignition Temperature (°C )	-18
Molecular Weight (g/mol)	52
Specific gravity (air =1)	1.803
Critical Temperature ( °C )	78.4
Critical Pressure ( psig )

Applications
Difluoromethane (CH2F2) is used in plasma etching of silicon layers.

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