Detail of "760-93-0"

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CAS Number:
760-93-0
Name:
Methacrylic anhydride
Molecular Structure:
Formula:
C₈H₁₀O₃
Molecular Weight:
154.18
Synonyms:
2-Propenoicacid, 2-methyl-, anhydride (9CI);Methacrylic anhydride (6CI,8CI);Methacrylicacid anhydride;Methacryloyl anhydride;NSC 24159;
EINECS:
212-084-8
Density:
1.021 g/cm³
Melting Point:
-20 °C
Boiling Point:
202.3 °C at 760 mmHg
Flash Point:
84.4 °C
Appearance:
liquid
Hazard Symbols:
Xn
Risk Codes:
20-37/38-41
Safety:
26-39 Details
Transport Information:
UN 3265 8/PG 2

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Polymerization of unsaturated bicyclic compounds: Polymerization of unsaturated bicyclic compounds. (Tokuyama Soda Co., Ltd., Japan). Jpn. Kokai Tokkyo Koho JP 59184222 A2 19 Oct 1984 Showa, 10 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C08G065-00. APPLICATION: JP 83-58684 5 Apr 1983. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Section cross-reference(s): 28 4-Alkyl-1-(hydroxyalkyl)-2,6,7-trioxabicyclo[2.2.2]octane unsatd. carboxylic acid esters and 1-alkyl-4-(hydroxyalkyl)-2,6,7-trioxabicyclo[2.2.2]octane unsatd. 89575-03-1 is also in the experiment. carboxylic acid esters are prepd. and polymd. using tertiary amines and acid anhydrides. Thus, a mixt. of 4-ethyl-1-(hydroxymethyl)-2,6,7-trioxabicyclo[2.2.2]octane methacrylate (I) [89575-03-1], 7 mol% N,N-dimethyl-p-toluidine [99-97-8], and 0.5 mol% methacrylic acid anhydride [760-93-0] had gelation time 70 min at 70°, compared with >300 for I alone. .

Studies of the polymerization of vinyl compounds in the presence of metal salts: Studies of the polymerization of vinyl compounds in the presence of metal salts. Part 12. The polymerization of methacryloyldiaminomaleonitrile by an initiating system containing cupric salt. Narita, Hiroshi; Hoshii, Yasuhiro; Katayama, Takao; Araki, Mikio; Machida, Seishi (Chem. Lab. Text. Fibers, Kyoto Univ. Ind. Arts Text. Fibers, Kyoto, Japan). Angew. Makromol. Chem., 65, 231-5 (English) 1977. CODEN: ANMCBO. DOCUMENT TYPE: Journal CA Section: 35 (Synthetic High Polymers) In the polymn. of N-methacryloyldiaminomaleonitrile (I) [58143-10-5] [prepd. from diaminomaleonitrile (II) [1187-42-4] and methacrylic anhydride [760-93-0]] in the presence of II, CuCl2, and CCl4 [56-23-5], no Cu complexation is noted (IR spectra) for either I or I polymer (III) [65595-66-6]. A combination of II, CCl4, and CuCl2 is also a radical initiator for polymn. of Me methacrylate, but if II is replaced by its N-acetyl deriv. [65604-69-5], polymn. is negligible. II bound to a methacryloyl group as in I or to a polymer chain as in III is ineffective as a polymn. initiator component.