Detail of "507-16-4"

CAS Number:
507-16-4
Name:
Thionyl bromide
Molecular Structure:
Formula:
Br2O S
Molecular Weight:
207.87
Synonyms:
Sulfurbromide oxide (SOBr2)
EINECS:
208-064-3
Density:
2.683
Melting Point:
-52 ºC
Boiling Point:
48 ºC (20 mmHg)
Flash Point:
156 ºC
Hazard Symbols:
Risk Codes:
R14;R20/21;R34
Safety:
An unstable material which must be stored refrigerated. When heated to decomposition it emits toxic fumes of Br⁻ and SO_x. See also BROMIDES. Details
Transport Information:
UN 3264

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Glass preforms for optical fibers: Glass preforms for optical fibers. Yamauchi, Ryozo; Sanada, Kazuo (Fujikura Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 61122133 A2 10 Jun 1986 Showa, 6 pp. (Japan) CODEN: JKXXAF.Some commonly used reagents like 507-16-4 and 60676-86-0 are used in this experiment. CLASS: ICM: C03B037-018. ICA: C03B020-00; C03C013-04; G02B006-00. APPLICATION: JP 84-243991 19 Nov 1984. DOCUMENT TYPE: Patent CA Section: 57 (Ceramics) In manuf. of title materials by prepn. of porous glass, followed by heating, to give transparent quartz glass, the glass is treated with SOBr2 before and/or during the heat treatment. The resulting fibers contain very few OH groups and show ideal n distribution. Thus, sinter of bulk d. x0.17 made from glass powder deposited by vapor axial deposition method, was treated with He and SOBr2(g) at 850° in a furnace core tube to give a dehydroxylated sinter, which was vitrified, into a preform. Optical fibers made from the preform had x0.5 dB/km loss at 1.3 mm wavelength. .

Bis(bromoalkyl) ethers: Bis(bromoalkyl) ethers.Some chemicals with cas registry numbers like 507-16-4 are also used. James, Michael P. (Rohm and Haas Co., USA). U.S. US 4629814 A 16 Dec 1986, 3 pp. (United States of America) CODEN: USXXAM. CLASS: ICM: C07C041-01. ICS: C07C043-02; C07C043-225. NCL: 568645000. APPLICATION: US 85-770032 27 Aug 1985. DOCUMENT TYPE: Patent CA Section: 23 (Aliphatic Compounds) BrCHR1(CHR1)nOCH2Br (R1 = H, C1-4 alkyl; (un)substituted Ph; n = 1, 2), useful for prepg. biol. active compds. (no data), were prepd. by reacting SOBr2 with (un)substituted 1,3-dioxane or 1,3-dioxolane at atm. pressure and -10 to 70°. 1,3-Dioxolane, cooled to 0°, was treated with SOBr2 to give quant. BrCH2CH2OCH2Br. .