Section 1: Product Identification
Chemical Name: 1,1-Dichloro-2,2-difluoroethylene, min. 97% (Material sold in non-returnable cylinder)
CAS Registry Number: 79-35-6
Formula: CCl2=CF2
EINECS Number: 201-198-3
Chemical Family: organofluorine compounds
Synonym: 2,2-Dichloro-1,1-difluoroethylene, Ethene, 1,1-dichloro-2,2-difluoro-
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 79-35-6 100% 2.5mg/m3 (as F) 2.5mg/m3 (as F)
Section 3: Hazards Identification
Toxic by inhalation. Irritating to skin, eyes and respiratory tract. May cause respiratory depression at high
Emergency Overview:
concentrations. May be harmful if swallowed.
Primary Routes of Exposure: Ingestion, inhalation, eyes and skin
Eye Contact: Causes irritation of the eyes.
Skin Contact: Causes irritation of the skin. May cause redness, itching and pain.
Inhalation: Toxic by inhalation. May cause respiratory depression or failure at high concentrations
No specific information is available on the physiological effects of ingestion. May cause gastrointestinal
Ingestion:
irritation, nausea, and vomiting.
Acute Health Affects: Toxic by inhalation. Irritating to skin, eyes and causes respiratory and nervous system depression.
Product contains fluorine which under certain conditions of use, decomposition, or metabolism, may generate
Chronic Health Affects: fluoride ion, causing, nausea, vomiting, labored breathing, hypocalcaemia, deterioration of bone and tooth
structure, kidney and liver damage.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: not applicable
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: carbon dioxide, dry powder, or foam
If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
Special Fire Fighting Procedures:
self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and If involved in a fire, this material may emit toxic organic fumes, and corrosive hydrogen and carbonyl fluorides.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly sealed container in a cool well ventilated area.
SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves.
Ventilation: This product should only be handled in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation: This product should only be handled in an efficient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: colorless liq.
Molecular Weight: 133
Melting Point: -116°
Boiling Point: 19°C
Vapor Pressure: no data
Specific Gravity: no data
Odor: no data
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air and moisture stable
Hazardous Polymerization: Hazardous polymerization possible
Conditions to Avoid: Free radical initiators
Incompatibility: oxidizing agents, halogens and active metals.
Decomposition Products: carbon monoxide, organic fumes, hydrogen fluoride, and carbonyl fluoride
SECTION 11: Toxicological Information
Inhalation (rat); LC50: 505 mg/m3/4H. Inhalation (mouse); LC50: 610 mg/m3/4H. Inhalation (guinea pig);
RTECS Data:
LC50: 700 mg/m3/4H. Inhalation (rat); TCLo: 13400 ug/m3/4H/17W-I.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Compressed gases, Toxic, N.O.S.
Hazard Class (CFR): 2.3
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): UN #1955
Shipping Name (IATA): Prohibited
Hazard Class (IATA): NA
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): NA
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
