Detail of "49693-09-6"

CAS Number:
49693-09-6
Name:
1,2-Benzenedicarboxylicacid, 3,4,5,6-tetrabromo-, 1,2-di-2-propen-1-yl ester
Molecular Structure:
Formula:
C14H10 Br4 O4
Molecular Weight:
561.8428
Synonyms:
1,2-Benzenedicarboxylicacid, 3,4,5,6-tetrabromo-, di-2-propenyl ester (9CI); Diallyltetrabromophthalate; Xyrex RFR
EINECS:
256-433-2
Density:
1.963 g/cm³
Melting Point:
110ºC
Boiling Point:
511.9 °C at 760 mmHg
Flash Point:
263.4 °C

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Flame-resistant, thermosetting masses based on vinyl-unsaturated polymers: Flame-resistant, thermosetting masses based on vinyl-unsaturated polymers. Thomas, James Larue; Volpp, Gert Paul (FMC Corp., USA). Ger. Offen. DE 2651770 26 May 1977, 17 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C08L067-06. PRIORITY: US 75-631239 12 Nov 1975. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Diallyl tetrabromophthalate (I) [49693-09-6] was used in the prepn. of fire-resistant polyester resins or diallyl phthalate polymer [25053-15-0]. Thus, a crosslinked resin prepd. from I 1, styrene 1, and ethylene glycol-isophthalic acid-maleic anhydride copolymer [52397-42-9] 2 parts had limiting O index 27.0% in burning tests.

A new concept in flame-retarding unsaturated polyesters: A new concept in flame-retarding unsaturated polyesters. Braksmayer, Diza P.; Green, Joseph; Furch, Joseph A. (FMC Corp., Princeton, NJ, USA). Plast. Compd., 6(7), 59-60, 62, 65 (English) 1983. CODEN: PLCODR. ISSN: 0148-9119. DOCUMENT TYPE: Journal CA Section: 37 (Plastics Manufacture and Processing) Unsatd. polyesters were simultaneously cured and fireproofed with diallyl tetrabromophthalate (Xyrex RFR)(I) [49693-09-6]. Comparative tests were made with I-cured isophthalic acid copolymer, tetrabromophthalic anhydride copolymer, and a brominated polyester. The I-cured polyester had higher O index, flexural modulus, and dielec. strength, and lower shrinkage of molded parts than the 2 conventional resins. The arc resistance of all 3 resins was comparable. The appearance of the I-contg. resin was superior to that of the other 2 resins.