MSDS for DuPont Freon 12 Refrigerant, Oct 1996

NYC 9/11 Public Portal Document

DuPont Suva (3iB) 575-5029 11 10^26/97 21:19 ID:DuP0NT FLUOROCHEniCAL FAX:1-302-452-157? PAGE 4

EXPOSURE CONTROkS/PERSONAL PROTECTION Engineering Controls Normal ventilation for standard manufacturing procedures is generally adequate. Local exhaust should be used when large amounts are released. Mechanical ventilation should bo used in low or enclosed places. Personal Protective Equipment Impervious gloves and chemical splash goggles should be used when handling liquid. Under normal manufacturing conditions, no respiratory protection is required when using this product. Self-contained breathing apparatus (SC8A) is required if a large release occurs. # Exposure Guidelines Applicable Exposure Limits METHANE, DICHLORODIFLUORO- (“FREON" 12) PEL (OSHA) 1,000 ppm, 4,950 m0/m3, 8 Hr. TWA TLV (ACGIH) 1,000 ppm, 4.950 mg/m3, 8 Hr. TWA, A4 AEL * (DuPont) None Established ‘ AFI is DuHoni's Acceptable exposure Limit. Where governmentally ifliposoo oocupatIonel exposure limits which are lower than the ael are in effect, such limits snail take precedence.

PHYSICAL AND CHEMICAL PROPERTIES Physical Data Boiling Point -29.0 C (-21.6 F) Vapor Pressure 94.5 psia at 25 deg C (7? deg F) Vapor Density 4.26 (Air = 1.0) at 25 deg C (77 deg F) % Volatiles 100 WT% Solubility in Water 0.028 WT% e 25 C (77 F) at 1 atm pH Neutral Odor Slight ethereal Form Liquified gas Color Clear, colorless Density 1.315 g/cc at 25 deg C (77 deg F) • Liquid

STABIUTY AND REACTIVITY Chemical Stability Material is stable. However, avoid open flames and high temperatures. Incompatibility with Other Materials Incompatible with alkali or alkaline earth metals- powdered Al, Zn, Be, etc^.___ ______________ Polymerization Polymerization will not occur. (Conlifiued)

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