Detail

Pharmaceutic adjuvant HFC134a

Product name: Pharmaceutic adjuvant 1,1,1,2-tetrafluoroethane
Application: Main substitute of CFCs propellant, was developed for drug inhalants carrier ( ie:medical aerosol) because of its low toxicity and non-flammability.Main used in the treatment of asthma aerosol,COPD aerosol(chronic obstructive pumonary disease),prevention and treatment of respiratory tract infections aerosol;for the treatment of allergic rhinitis nasal aerosol 、foam aerosol;oral cavity and topical aerosol(eg:to promote nerve sensitivity,enhance the vitality of tooth ,relief pain)etc.
Packaging specification: Disposable cylinder:30lbs/13.6kg,50lbs/22.7kg;Refillable cylinder:400L,800L,926L,1000L;ISO-TANK
Storage: should be preserved in dry and ventilated place avoid rainfall and direct sunlight
Physical property:

Molecular formula

CH2FCF3

-

Molecular weight

102.03

-

CAS CN

811-97-2

-

Melting point

-103.15°C

-

Boiling point

-26.1°C

-

Liquid density

1206 kg/m3

@(20℃)

Appearance: colorless gas under normal temperature and normal pressure

Quality index:

Item

Index

Appearance

colorless, clear

Identification

Infrared spectrum

Boiling point

-26℃(±0.5℃)

Purity /%                             ≥

99.99

Moisture /%                             ≤   

0.0010

Acidity (in HCl)/%                   ≤

0.0001

Non-volatile residue /%                     ≤

0.0010

Chloride

up to standard

Non-condensable gas in the gas phase  (25℃)/%(v/v)     ≤ 

1.5

Dichlorodifluoromethane (CFC-12)/%         ≤

0.0003

Trifluoroethane (HFC-143a) /%         ≤

0.0002

Difluoromethane(HFC-32)/%           ≤

0.0003

Dichlorotetrafluoroethane(CFC-114a)/%     ≤

0.0003

Dichlorotetrafluoroethane(CFC-114)/%     ≤

0.0003

Pentafluoroethane(HFC-125)/%         ≤

0.0003

HCFC-1131 /%   ≤

0.0010

HCFC-124 %     ≤

0.0003

HFC-134 /% ≤

0.0090

HCFC-133a /%   ≤

0.0003

CFC-113a /%     ≤

0.0003

Total unsaturated impurity/%             ≤

0.0020

Total unknown impurity /%                 ≤

0.0010

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