Detail of "52196-74-4"

CAS Number:
52196-74-4
Name:
Benzene,2-chloro-1,4-diethoxy-
Superlist Name:
2-Chloro-1,4-diethoxybenzene
Molecular Structure:
Formula:
C₁₀H₁₃ClO₂
Molecular Weight:
200.66
Synonyms:
2,5-Diethoxy-1-chlorobenzene;2,5-Diethoxychlorobenzene;NSC 89737;benzene, 2-chloro-1,4-diethoxy-;Chloro-2,5-diethoxybenzene;
EINECS:
257-728-9
Density:
1.1 g/cm³
Boiling Point:
273.1 °C at 760 mmHg
Flash Point:
96.7 °C

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Dialkoxychlorobenzenes: Dialkoxychlorobenzenes. Bartos, Pavel; Pilz, Josef; Cermak, Jiri (Czech.). Czech. CS 229183 B 1 Jan 1986, 5 pp. (Czechoslovakia) CODEN: CZXXA9. CLASS: IC: C07C043-225. APPLICATION: CS 82-9619 23 Dec 1982. DOCUMENT TYPE: Patent CA Section: 25 (Benzene, Its Derivatives, and Condensed Benzenoid Compounds) Title compds. 2,5-(RO)2C6H3Cl (I; R = C1-5 alkyl) are prepd. by treating 1,4-(RO)2C6H4 with SO2Cl2 in the presence of S2Cl2, which permits a decrease in the amt. of chlorinating agent and reduces the amt. of dichloro byproducts. Thus, a soln. of 200 g 1,4-(BuO)2C6H4 (II) in 200 g C6H6 was treated at 58° over 30 min with 145.8 g SO2Cl2 contg. 1.1% S2Cl2. The mixt. was kept for 5 h at 58-60°, cooled, and neutralized with aq.There are some commonly used reagents with their cas registry numbers 52196-74-4 and 68052-10-8 in this article. Na2CO3. The sepd. C6H6 layer was clarified with C and concd. in vacuo to give 236 g product contg. 6% unreacted II, 82% I (R = Bu), and 12% 2,5,4-(BuO)2ClC6H2Cl. .