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difluoromethane cas no:75-10-5

Synonyms: R-32

Identification
Namedifluoromethane
CAS75-10-5
SynonymsR-32
EINECS(EC#)200-839-4
Molecular FormulaCH2F2
Molecular Weight52.02
Chemical Properties
Appearancecolourless gas
refractive index1.195
storage tempGrounding and bonding required. Store in a tightly closed container. Store below 49 C. Store in a cool, dry place. Store in a well-ventilated area. Keep separated from incompatible substances.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass2.1
Safety Data

Hazard F:Flammable;
Risk R11
Safety

Hazard Codes of Methylene difluoride (CAS NO.75-10-5): F
Risk Statements: 11 
R11: Highly flammable.
Safety Statements: 9-16-33 
S9: Keep container in a well-ventilated place. 
S16: Keep away from sources of ignition. 
S33: Take precautionary measures against static discharges.
RIDADR: UN 3252 2.1
WGK Germany: 1
RTECS: PA8537500
Hazard Note: Flammable
TSCA: T
HazardClass: 2.1
1. Storage: Grounding and bonding required. Store in a tightly closed container. Store below 49 °C. Store in a cool, dry place. Store in a well-ventilated area. Keep separated from incompatible substances.
2. Handling: Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Wash clothing before reuse.


Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 1810gm/m3 (1810000mg/m3) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Toksikologicheskii Vestnik. Vol. (1), Pg. 27, 1996.
rat LC50 inhalation 1890gm/m3/4H (1890000mg/m3)   Toksikologicheskii Vestnik. Vol. (3), Pg. 25, 1996.

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