Detail of "24448-20-2"

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CAS Number:
24448-20-2
Name:
2-Propenoic acid,2-methyl-, 1,1'-[(1-methylethylidene)bis(4,1-phenyleneoxy-2,1-ethanediyl)]ester
Molecular Structure:
Formula:
C₂₇H₃₂O₆
Molecular Weight:
452.5394
Synonyms:
2-Propenoicacid, 2-methyl-, (1-methylethylidene)bis(4,1-phenyleneoxy-2,1-ethanediyl) ester(9CI);Methacrylic acid, isopropylidenebis(p-phenyleneoxyethylene) ester (8CI);Ethanol, 2,2'-[isopropylidenebis(p-phenyleneoxy)]di-, dimethacrylate (8CI);2,2-Bis(p-hydroxyethoxyphenyl)propane dimethacrylate;2,2-Bis[4-(2-methacryloyloxyethoxy)phenyl]propane;Al-co-cure EBDMA;Bis(2-hydroxyethyl)bisphenol-A dimethacrylate;Bisphenol A bis(2-hydroxyethyl ether) dimethacrylate;Bisphenol Abis(2-methacrylatoethyl) ether;Bisphenol A bis(methacryloyloxyethyl) ether;DEBPADMA;Diacryl;Diacryl 101;Diacryl 101P;Diacryl 103;NK Ester BPE 100;Nouryset 110;Photomer 2028;Polybisacryl;SR 348;SR 348L;Sartomer 348;Sartomer SR 348;
EINECS:
246-263-7
Density:
1.096 g/cm³
Boiling Point:
574.6 °C at 760 mmHg
Flash Point:
243.9 °C
Hazard Symbols:
Xi
Risk Codes:
36/37/38-43
Safety:
26-36 Details

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Fast-curing anaerobic adhesives: Fast-curing anaerobic adhesives. Okamoto, Takanori; Matsuda, Hideaki; Ohnishi, Takaharu (Okura Industrial Co., Ltd., Japan). Japan. Kokai JP 52076345 27 Jun 1977 Showa, 7 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09J003-14. APPLICATION: JP 75-151936 22 Dec 1975. DOCUMENT TYPE: Patent CA Section: 36 (Plastics Manufacture and Processing) Section cross-reference(s): 55, 56 Non-irritating and non-corrosive 2,2-bis[4-[2-(methacryloyloxy)ethoxy]phenyl]propane (I) [24448-20-2] anaerobic adhesive compns. contained saccharin 1,2,3,4-tetrahydroquinoline salt (II) [62766-27-2]. For example, an adhesive from 100 parts I and 1.5 parts II had set time 5 min, adhesive strength (bolt-nut assembly torque strength after 24 h at 23°) 340 kg-cm, and gel time at 82° >100 min.

The sensitizing potential of di-(meth)acrylates based on bisphenol A or epoxy resin in the guinea pig: The sensitizing potential of di-(meth)acrylates based on bisphenol A or epoxy resin in the guinea pig. Bjorkner, Bert; Niklasson, Bo; Persson, Karin (Dep. Dermatol., Gen. Hosp., Malmo, Swed.). Contact Dermatitis, 10(5), 286-304 (English) 1984. CODEN: CODEDG. ISSN: 0105-1873. DOCUMENT TYPE: Journal CA Section: 4 (Toxicology) Section cross-reference(s): 36, 62 The sensitization capacity of the different acrylates based on bisphenol A or epoxy resin were investigated with the guinea pig maximization test; plus, their patterns of simultaneous reactivity. Epoxy diacrylate [I, R = H; X = CH2CH(OH)CH2O, n = 1] [4687-94-9], BIS-EMA (I, R = Me; X = CH2CH2O; n = 1) [24448-20-2], and BIS-MA (I, R = Me; n = 0) [3253-39-2] were strong sensitizers, whereas BIS-GMA [I, R = Me; X = CH2CH(OH)CH2O; n = 1] [1565-94-2], branched BIS-GMA [I, R = Me; X = CH2CH(CH2OH)O; n = 1] [80638-50-2], and BIS-PMA (I, R Me; X = (CH2)3O; n = 1] [27689-12-9] had no or little sensitizing capacity. The impurities in BIS-GMA and BIS-MA batches appear to have high allergy potential.