EU Harmonized Tariff Schedule
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1,1,1,2-Tetrafluoroethane (CAS RN 811-97-2) conforming to the following specifications:
-not more than 600 ppm by weight of HFC-134 (1,1,2,2-tetrafluoroethane),
-not more than 5 ppm by weight of HFC-143a (1,1,1-trifluoroethane),
-not more than 2 ppm by weight of HFC-125 (pentafluoroethane),
-not more than 100 ppm by weight of HCFC-124 (1-chloro-1,2,2,2- tetrafluoroethane),
-not more than 30 ppm by weight of CFC-114 (1,2-dichlorotetrafluoroethane),
-not more than 50 ppm by weight of CFC-114a (1,1-dichlorotetrafluoroethane),
-not more than 250 ppm by weight of HCFC-133a (1-chloro-2,2,2-trifluoroethane),
-not more than 2 ppm by weight of HCFC-22 (chlorodifluoromethane),
-not more than 2 ppm by weight of CFC-115 (chloropentafluoroethane),
-not more than 2 ppm by weight of CFC-12 (dichlorodifluoromethane),
-not more than 20 ppm by weight of HCC-40 (methyl chloride),
-not more than 20 ppm by weight of HFC-245cb (1,1,1,2,2-pentafluoropropane),
-not more than 20 ppm by weight of H-12B1 (chlorodifluorobromomethane),
-not more than 20 ppm by weight of HFC-32 (difluoromethane),
-not more than 15 ppm by weight of HCFC-31 (chlorofluoromethane),
-not more than 10 ppm by weight of HFC-152a (1,1-difluoroethane),
-not more than 20 ppm by weight of HFO-1131 (1-chloro-2-fluoroethylene),
-not more than 20 ppm by weight of HCFO-1122 (1-chloro-2,2-difluoroethylene),
-not more than 3 ppm by weight of HFO-1234yf (2,3,3,3-tetrafluoropropene),
-not more than 3 ppm by weight of HFO-1243zf (3,3,3-trifluoropropene),
-not more than 3 ppm by weight of HCFO-1122a (1-chloro-1,2-difluoroethylene),
-not more than 4,5 ppm by weight of HFO-1234yf HCFO-1122a HFO-1243zf (2,3,3,3-tetrafluoropropene 1-chloro-1,2-difluoroethylene 3,3,3-trifluoropropene),
-not more than 3 ppm by weight of any individual unspecified/unknown chemical,
-not more than 10 ppm by weight of all unspecified/unknown chemicals combined,
-not more than 10 ppm by weight of water,
-with an acidity level of not more than 0,1 ppm by weight,
-without halides,
-not more than 0,01 % by volume of high boilers,
-without any odour (no malodour),
for use with or without further purification as an under GMP (Good Manufacturing Practice) produced inhalation grade of HFC-134a in the manufacture of a propellant for medical aerosols whose contents are absorbed in the oral or nasal cavities, and/or the respiratory tract
Source : EU Harmonized Tariff Schedule