Detail of "33239-19-9"

CAS Number:
33239-19-9
Name:
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-4',5'-diiodo-, sodium salt (1:2)
Molecular Structure:
Formula:
C20H10 I2 O5 . 2 Na
Molecular Weight:
628.063
Synonyms:
Fluorescein,4',5'-diiodo-, disodium salt (8CI); Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-4',5'-diiodo-, disodium salt (9CI); Acid Red 95; C Red 35; C.I.45425; C.I. Acid Red 95; Certiqual diiodofluorescein; D & C Orange 11; Dand C Orange No. 11; Diiodoeosine; Diiodofluorescein; Diiodofluoresceindisodium salt; Erythrosin Y; Erythrosine Extra Yellowish; Erythrosine Y;Erythrosine Yellow; Erythrosine Yellowish; Erythrosine Yellowish NA; JapanOrange 207; Japan Orange No. 207; Simacid Erythrosine Y
EINECS:
251-419-2
Melting Point:
240 ºC (dec.)(lit.)
Boiling Point:
610.9 ºC at 760 mmHg
Flash Point:
323.2 ºC

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Water-thinned inks for ink-jet printing: Water-thinned inks for ink-jet printing. (Canon K. K., Japan). Jpn. Kokai Tokkyo Koho JP 59056467 A2 31 Mar 1984 Showa, 5 pp. (Japanese). (Japan). CODEN: JKXXAF. CLASS: IC: C09D011-00; C09D011-16. APPLICATION: JP 82-168126 27 Sep 1982. DOCUMENT TYPE: Patent CA Section: 42 (Coatings, Inks, and Related Products) The title inks having excellent storability and nozzle-clogging resistance contain C.I. Acid Red 37 (I) [6360-07-2] and 31 of C.I. Acid Red 50 [5873-16-5], C.I. Acid Red 51 [16423-68-0], C.I. Acid Red 52 [3520-42-1], C.I. Acid Red 87 [17372-87-1], C.I. Acid Red 91 [548-24-3], C.I. Acid Red 92 [18472-87-2], C.I. Acid Red 93 [18265-55-9], C.I. Acid Red 94 [632-68-8], C.I. Acid Red 95 [33239-19-9], C.I. Acid Red 98 [6441-77-6], and C.I. Acid Red 289 (II) [12220-28-9]. Thus, a typical ink comprises I 1.5, II 1.5, diethylene glycol 30.0, N-methyl-2-pyrrolidone 15.0, and water to 100%.

Joint toxicity of xanthene dyes to the housefly (Diptera:Muscidae): Joint toxicity of xanthene dyes to the housefly (Diptera:Muscidae). Carpenter, Terry L.; Johnson, Lynne H.; Mundie, Thomas G.; Heitz, James R. (Dep. Biochem., Mississippi State Univ., Mississippi State, MS 39762, USA). J. Econ. Entomol., 77(2), 308-12 (English) 1984. CODEN: JEENAI. ISSN: 0022-0493. DOCUMENT TYPE: Journal CA Section: 5 (Agrochemical Bioregulators) The toxicity of erythrosin B [16423-68-0] to housefly was increased by combining it with other xanthene dyes in the following order: rose bengal [11121-48-5] 3 eosin Y [17372-87-1] 3 diiodofluorescein [33239-19-9] 3 fluorescein [2321-07-5] 3 octabromofluorescein [77274-97-6] 3 or phloxin B [18472-87-2]. Fluorescein, dichlorofluorescein [2320-96-9], and dibromofluorescein [4372-02-5] alone were nontoxic to housefly, whereas the other above dyes were toxic at concns. 1 ′ 10-5M to 3 ′ 10-3M. The synergistic effect of these dyes on erythrosin B toxicity could not be related to no. of halogens, percent halogenation, mol. wt., partition coeff., fluorescence quantum yield, overlap interval, or multiplicative value of these xanthene dyes. Thus, increased efficiency of erythrosin B in killing houseflies could be achieved by using lesser amts. of erythrosin B in combination with other dyes.