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DuPont Freon 11 MSDS, November 1996

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Safety data sheet for Freon 11 refrigerant providing chemical formula and emergency contact details.

NYC-WTC_000169080–000169086

Folder label: “7 World Trade Center Blue Prints Haz Mat Info Fire Reports Fire Prevention Records”

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NYC 9/11 Public Portal Document

DuRont Suva (310) 575-5029 5 10-'26/97 21:14 ID:DuP0NT FLUOROCHEniCAL FAX:1-302-452-1577 PAGE 5

2090FR DuPont Page 5 Material Safety Data Sheet (PHYSICAL AND CHEMICAL PROPERTIES - Continued)

Odor : Slight ethereal Form : Liquid Color : Colorless Density ; 1.48 g/cc at 25 deg C (77 deg F)

Appearance : Clear

STABILITY AND REACTIVITY

Chemical stability

Stable. However, avoid open flames and high temperatures.

Incompatibility with Other Materials

Incompatible with alkali or alkaline earth metals- powdered Al, Zn, Be, etc.

Polymerizati on

Polymerization will not occur.

Other Hazards Decomposition : Decomposition products are hazardous. “FREON" 11 can be decomposed by high temperatures (open flames, glowing metal surfaces, etc.) forming hydrochloric and hydrofluoric acids and possibly carbonyl haJ idee.

TOXICOLOGICAL INFORMATION

Animal Data

Inhalation 4-hour LC50: 26,200 ppm in rats Oral ALD : 3725 mg/kg in rats

The compound is not a skin irritant but is a mild eye irritant. Toxic effects in rats exposed by inhalation include central nervous system and anesthetic effects at high concentrations. Concentrations of 0.35% and higher caused cardiac sensitization in dogs. Various cardiovascular and circulatory abnormalities have also been reported in other animals. Changes in the lungs, liver, brain and spleen were observed in a study of rats exposed by inhalation to 12 times the TLV. in another study at 25 times the TLV, rats, guinea pigs, and cats exhibited no microscopic evidence of damage to the heart, lungs, kidney, liver or spleen. Exposures by ingestion or skin resulted in

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NYC-WTC_000169084Source: NYC Law Department, mirrored locally

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