CAS No.76-11-9,1,1,1,2-Tetrachlorodifluoroethane Suppliers

Products Categories

Organic Chemicals (7)
Pharmaceutical (6)
Others (1)
(1)

Basic Information

Molecular Structure:
CAS No.:	76-11-9
Name:	1,1,1,2-Tetrachlorodifluoroethane
Article Data:	42

Formula:	C₂Cl₄F₂
Molecular Weight:	203.831
Synonyms:	1,1-Difluoro-1,2,2,2-tetrachloroethane;1,1-Difluoroperchloroethane;1,2,2,2-Tetrachloro-1,1-difluoroethane;2,2-Difluoro-1,1,1,2-tetrachloroethane;
EINECS:	200-934-0
Density:	1.726 g/cm³
Melting Point:	39-44 °C
Boiling Point:	93.3 °C at 760 mmHg
Flash Point:	11.8 °C
Appearance:	colorless crystalline solid
Hazard Symbols:	N Xi
Risk Codes:	R59; R36/37/38
Safety:	S59; S37/39; S26
PSA:	0.00000
LogP:	3.18820

Total:15 Page 1 of 1 1

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 76-11-9

Chemistry

Molecular Structure of 1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS NO.76-11-9):

IUPAC Name: 1,1,1,2-Tetrachloro-2,2-difluoroethane
Empirical Formula: C₂Cl₄F₂
Molecular Weight: 203.8302
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Polar Surface Area: 0 Å²
Index of Refraction: 1.437
Molar Refractivity: 30.97 cm³
Molar Volume: 118 cm³
Surface Tension: 29.2 dyne/cm
Density: 1.726 g/cm³
Flash Point: 11.8 °C
Enthalpy of Vaporization: 31.92 kJ/mol
Boiling Point: 93.3 °C at 760 mmHg
Vapour Pressure: 56.7 mmHg at 25°C
Storage temp: Refrigerator(+4°C)
EINECS: 200-934-0
Melting Point: 39-44 °C
Product Categories: CFC; refrigerants
Apperance: colorless solid with a slight, ether-like odor
InChI
InChI=1/C2Cl4F2/c3-1(4,5)2(6,7)8
Smiles
C(C(Cl)(Cl)Cl)(F)(F)Cl

Production

Join anhydrous aluminum chloride into the melting Freon 112 quickly when stirring for 2-3h, then heated to 60-70 ℃, heat filter, filtrate fractionation, collecting 91-92 ℃ distillate,get 2,2 - difluoro-tetrachloroethane. Yield is 70%.

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rat	LCLo	inhalation	20000ppm/30M (20000ppm)	BEHAVIORAL: GENERAL ANESTHETIC BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LIVER: OTHER CHANGES	Toxicology and Applied Pharmacology. Vol. 19, Pg. 1, 1971.
rat	LD50	oral	> 8gm/kg (8000mg/kg)		Nature. Vol. 210, Pg. 744, 1966.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by inhalation. When heated to decomposition it emits very toxic fumes of Cl⁻ and F⁻. Used as a refrigerant. See also Fluorides.Safety information of 1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS NO.76-11-9):
Hazard Codes: N, Irritant Xi
Risk Statements
59 Dangerous for the ozone layer
36/37/38 Irritating to eyes, respiratory system and skin
Safety Statements
59 Refer to manufacturer/supplier for information on recovery/recycling
37/39 Wear suitable gloves and eye/face protection
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice

Standards and Recommendations

OSHA PEL: TWA 500 ppm
ACGIH TLV: TWA 500 ppm
DFG MAK: 1000 ppm (8500 mg/m³)
NIOSH REL: (1,1,1,2-Tetrachloro-2,2-difluoroethane) TWA 500 ppm

Specification

1,1,1,2-Tetrachloro-2,2-difluoroethane , with CAS number of 76-11-9, can be called 1,1,1,2-Tetrachloro-2,2-difluoroethane ; 1,1-Difluoro-1,2,2,2-tetrachloroethane ; 1,1-Difluoroperchloroethane ; 1,2,2,2-Tetrachloro-1,1-difluoroethane ; Ethane,1,1,1,2-tetrachloro-2,2-difluoro- ; 2,2-Difluoro-1,1,1,2-tetrachloroethane . It is a colorless crystalline solid, incompatible with active metals such as potassium, sodium, beryllium, powdered aluminum, zinc, magnesium and calcium. Reacts with acids. 1,1,1,2-Tetrachloro-2,2-difluoroethane (CAS NO.76-11-9) is used as intermediate for methoxyflurane of anesthetics.