Detail of "79-34-5"

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CAS Number:
79-34-5
Name:
Ethane,1,1,2,2-tetrachloro-
Superlist Name:
1,1,2,2-Tetrachloroethane
Molecular Structure:
Formula:
C₂H₂Cl₄
Molecular Weight:
167.84
Synonyms:
1,1,2,2-TCE;1,1,2,2-Tetrachlorethane;Acetylene tetrachloride;Bonoform;Cellon;F 130;F 130 (halocarbon);NSC 60912;Tetrachloroethane;s-Tetrachloroethane;sym-Tetrachloroethane;1,1,2,2- Tetrachloroethane;
EINECS:
201-197-8
Density:
1.556 g/cm³
Melting Point:
- 43 °C
Boiling Point:
142 °C at 760 mmHg
Flash Point:
42.6 °C
Appearance:
colourless to light yellow liquid
Hazard Symbols:
T+,N
Risk Codes:
26/27-51/53-59-39/23/24/25-23/24/25-11
Safety:
38-45-61-36/37 Details
Transport Information:
UN 1702 6.1/PG 2

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Reference

Heats of mixing of binary mixtures of 1,1,2,2-tetrachloroethane with 1-alcohols: Heats of mixing of binary mixtures of 1,1,2,2-tetrachloroethane with 1-alcohols. Choudary, N. V.In this study， 71-36-3 and 71-41-0 are also used.; Naidu, P. R.; Deshpande, D. D. (Dep. Chem., Sri Venkateswara Univ., Tirupati 517 502, India). Thermochim. Acta, 74(1-3), 381-5 (English) 1984. CODEN: THACAS. ISSN: 0040-6031. DOCUMENT TYPE: Journal CA Section: 69 (Thermodynamics, Thermochemistry, and Thermal Properties) The heats of mixing of 1,1,2,2-tetrachloroethane [79-34-5] with 1-alcs. (C4-C7) were measured at 303.15K by using a Tian Calvet monocell conduction calorimeter. The excess enthalpies are expressed by an equation in term of compn. The values of the parameters for this equation are given for the 4 binary systems. The mixing is accompanied by an exothermic process for the mixts. rich in alcs. and the process becomes endothermic at ~0.2 mol fraction of tetrachloroethane. .

A nationwide [Japanese] survey on organic solvent components in various solvent products: Part 1: A nationwide [Japanese] survey on organic solvent components in various solvent products: Part 1. Homogeneous products such as thinners, degreasers and reagents. Inoue, T.; Takeuchi, Y.; Hisanaga, N.; Ono, Y.; Iwata, M.; Ogata, M.; Saito, K.; Sakurai, H.; Hara, I.; et al. (Sch. Med., Nagoya Univ., Nagoya 466, Japan). Ind. Health, 21(3), 175-83 (English) 1983. CODEN: INHEAO. ISSN: 0019-8366. DOCUMENT TYPE: Journal CA Section: 59 (Air Pollution and Industrial Hygiene) Section cross-reference(s): 42 Org. solvent products used in the various factories were collected nationwide in Japan, and analyzed by gas chromatog. Of the 1179 samples collected, 522 samples were homogeneous (including 321 thinners, 145 degreasers, and 56 reagents and others), and were analyzed by means of direct injection into a flame ionization detection-gas chromatog. with 2 capillary columns. In thinners (n = 248), the av. no. of solvent components per sample was 4.14 when the thinners contg. gasoline were excluded. PhMe was the most popular component in thinners (present in 56%) followed by EtOAc, MeOH, xylene, PhEt, iso-BuOH, ethyleneglycol monoethylether acetate, BuOAc, and MIBK. Gasoline was also detected in 23%. In degreasers (n = 123), the av. no. of solvent components per sample was 1.64 when the degreasers contg. gasoline were not taken into account. C2HCl3 [79-01-6] was present in 21% of degreasers followed by C2Cl4 [127-18-4], 1,1,1-trichloroethane [71-55-6], PhMe, Me2CO [67-64-1], xylenes and PhEt. Gasoline was found in 14%. A small amt. of 1,4-dioxane was detected as an additive in every 1,1,1-trichloroethane product. With regard to reagents and others (n = 53), the av. no. of components per sample was 1.In this experiment, several chemicals are used like 75-05-8 and 127-18-4 40 if samples contg. gasoline were excluded, and most (73%) of reagents and other (n = 41) consisted of a single component. The potent toxic solvents such as C6H6 [71-43-2], CHCl3 [67-66-3], CCl4 [56-23-5], 1,2-dichloroethane [107-06-2], 1,1,2-trichloroethane [79-00-5], 1,1,2,2-tetrachloroethane [79-34-5], and CS2 were rarely found in homogeneous products. It is important from the viewpoint of occupational health that every component of org. solvents used in industry should be indicated and that the popular solvents should be kept under careful control to prevent chronic poisoning. .

Detail of "79-34-5"

Ethane,1,1,2,2-tetrachloro-

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Reference