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a colorless flammable gas used chiefly in welding and in organic synthesis (同)ethyne, alkyne
any compound that contains four chlorine atoms per molecule

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アセチレン[ガス]

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/09/20 02:33:55」(JST)

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1,1,2,2-Tetrachloroethane is a chlorinated derivative of ethane. It has the highest solvent power of any chlorinated hydrocarbon.^[1] As a refrigerant, it is used under the name R-130.

It was once widely used as a solvent and as an intermediate in the industrial production of trichloroethylene, tetrachloroethylene, and 1,2-dichloroethylene.^[4] However, 1,1,2,2-tetrachloroethane is no longer used much in the United States due to concerns about its toxicity.^[5]

Chronic inhalation exposure in humans results in jaundice and an enlarged liver, headaches, tremors, dizziness, numbness, and drowsiness. The U.S. Environmental Protection Agency has classified it as a Group C possible human carcinogen.^[5]

For occupational exposure limits, the Occupational Safety and Health Administration has set a permissible exposure limit for dermal exposures at 5 ppm over an eight-hour time-weighted average. The National Institute for Occupational Safety and Health has a more protective recommended exposure limit for dermal exposures at 1 ppm over an eight-hour time-weighted average.^[6]

References

^ ^a ^b Merck Index, 11th Edition, 9125.
^ ^a ^b ^c ^d ^e ^f "NIOSH Pocket Guide to Chemical Hazards #0598". National Institute for Occupational Safety and Health (NIOSH).
^ ^a ^b "1,1,2,2-Tetrachloroethane". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH).
^ Agency for Toxic Substances and Disease Registry (ATSDR). Toxicological Profile for 1,1,2,2-Tetrachloroethane (Update). U.S. Public Health Service, U.S. Department of Health and Human Services, Atlanta, GA. 1996.
^ ^a ^b Tetrachloroethane at U.S. EPA
^ CDC - NIOSH Pocket Guide to Chemical Hazards

UpToDate Contents

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English Journal

Non-covalent C-Cl…π interaction in acetylene-carbon tetrachloride adducts: Matrix isolation infrared and ab initio computational studies.

Ramanathan N1, Sundararajan K2, Vidya K3, Jemmis ED4.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.Spectrochim Acta A Mol Biomol Spectrosc.2016 Mar 15;157:69-78. doi: 10.1016/j.saa.2015.12.016. Epub 2015 Dec 17.
Non-covalent halogen-bonding interactions between π cloud of acetylene (C2H2) and chlorine atom of carbon tetrachloride (CCl4) have been investigated using matrix isolation infrared spectroscopy and quantum chemical computations. The structure and the energies of the 1:1 C2H2-CCl4 adducts were comp
PMID 26722673

Origins of observed reactivity and specificity in the addition of B2Cl4 and analogues to unsaturated compounds.

Pubill-Ulldemolins C1, Fernánez E, Bo C, Brown JM.
Organic & biomolecular chemistry.Org Biomol Chem.2015 Oct 7;13(37):9619-28. doi: 10.1039/c5ob01280e.
In 1954 Schlesinger and co-workers observed the direct reaction of diboron tetrachloride with simple organic compounds under mild conditions, the 1,2 addition product being formed with either ethylene or acetylene. In the following 25 years a series of addition reactions to simple alkenes, alkynes a
PMID 26260922

Synthesis of novel E-2-chlorovinyltellurium compounds based on the stereospecific anti-addition of tellurium tetrachloride to acetylene.

Musalova MV1, Potapov VA, Amosova SV.
Molecules (Basel, Switzerland).Molecules.2012 May 15;17(5):5770-9. doi: 10.3390/molecules17055770.
The reaction of tellurium tetrachloride with acetylene proceeds in a stereospecific anti-addition manner to afford the novel products E-2-chlorovinyltellurium trichloride and E,E-bis(2-chlorovinyl)tellurium dichloride. Reaction conditions for the selective preparation of each of these products were
PMID 22588564

Japanese Journal

Reactions of (triphenylphosphine)gold(I) enolates and homoenolates.

Murakami Masahiro,Inouye Masahiko,Suginome Michinori,Ito Yoshihiko
Bulletin of the Chemical Society of Japan 61(10), 3649-3652, 1988
… The aldol reaction of (triphenylphosphine)gold(I) enolates with carbonyl compounds is efficiently promoted by Lewis acids such as titanium tetrachloride and diethylaluminum chloride to produce β-hydroxy carbonyl compounds. … (Triphenylphosphine)gold(I) enolate reacts with phenyl acetylene to afford (triphenylphosphine)gold(I) phenylacetylide in good yield. …
NAID 130001981611

空気-アセチレン-酸素サンドイッチフレームによる銅の原子吸光分析

河野隆年
分析化学 26(3), 162-168, 1977-03-05
空気-アセチレンフレームを酸素でサンドイッチする形のバーナーを試作し原子吸光分析にはあまり使用されないベンゼン,トルエン,キシレン,シクロヘキサン,ヘキサン,クロロホルム及び四塩化炭素の溶媒を用いる原子吸光分析を検討した.その結果白色フレーム,不完全燃焼,逆火なしに前記の溶媒を使用できる見通しを得た.銅の定量について検討したところ感度は水溶液に比べ(4〜20)倍となり,ヘキサンでの感度が最も高く, …
NAID 110002904717

赤外分光光度計およびガスクロマトグラフによる液体酸素中の不純物分析法

篠原巧見 [他],大草忠雄,岡田豊
分析化学 10(3), 241-245, 1961
… Heretofore the quantitative analysis for small amounts of impurities of liquid oxygen has been carried out mostly as follows: acetylene by the Ilosvay reagent method, and hydrocarbons by the combustion method. …
NAID 130000946205

「テトラクロロエタン」

1,1,2,2-Tetrachloroethane^[1]
Names
	IUPAC name 1,1,2,2-Tetrachloroethane
	Other names s-Tetrachloroethane; Acetylene tetrachloride; R-130; TeCA
Identifiers
CAS Number	79-34-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:36026 ;
ChemSpider	6342 ;
ECHA InfoCard	100.001.089
KEGG	C19534 ;
PubChem CID	6591;
	InChI InChI=1S/C2H2Cl4/c3-1(4)2(5)6/h1-2H Key: QPFMBZIOSGYJDE-UHFFFAOYSA-N ; InChI=1/C2H2Cl4/c3-1(4)2(5)6/h1-2H Key: QPFMBZIOSGYJDE-UHFFFAOYAH ;
	SMILES ClC(Cl)C(Cl)Cl ;
Properties
Chemical formula	C2H2Cl4
Molar mass	167.848 g/mol
Appearance	Colorless to pale yellow liquid
Odor	pungent, chloroform-like
Density	1.59 g/cm3
Melting point	−44 °C (−47 °F; 229 K)
Boiling point	146.5 °C (295.7 °F; 419.6 K)
Solubility in water	1 g/350 mL
Vapor pressure	5 mmHg (20°C)
Magnetic susceptibility (χ)	-89.8·10−6 cm3/mol
Hazards
	Lethal dose or concentration (LD, LC):
LC50 (median concentration)	1000 ppm (rat, 4 hr)
LCLo (lowest published)	1000 ppm (rat, 4 hr); 643 ppm (mouse, 2 hr); 2714 ppm (cat, 45 min)
	US health exposure limits (NIOSH):
PEL (Permissible)	TWA 5 ppm (35 mg/m3) [skin]
REL (Recommended)	Ca TWA 1 ppm (7 mg/m3) [skin]
IDLH (Immediate danger)	Ca [100 ppm]
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references