Detail of "609-99-4"

CAS Number:
609-99-4
Name:
Benzoic acid,2-hydroxy-3,5-dinitro-
Superlist Name:
3,5-Dinitrosalicylic acid
Molecular Structure:
Formula:
C₇H₄ N₂ O₇
Molecular Weight:
228.13
Synonyms:
Salicylicacid, 3,5-dinitro- (6CI,7CI,8CI);2-Hydroxy-3,5-dinitrobenzoic acid;3,5-Dinitro-2-hydroxybenzoic acid;NSC 181;
EINECS:
210-204-3
Density:
1.838 g/cm³
Melting Point:
170 °C
Boiling Point:
387.2 °C at 760 mmHg
Flash Point:
173.8 °C
Solubility:
Soluble in water
Appearance:
Off-white crystals
Hazard Symbols:
Xn, Xi
Risk Codes:
22-37/38-36/37/38
Safety:
22-24/25-36-26 Details
Transport Information:
UN 2811

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Reference

Process inhibitor for readily polymerizable ethylenically unsaturated aromatic compounds: Process inhibitor for readily polymerizable ethylenically unsaturated aromatic compounds. Douglas, Ted L.; Clonce, Ambrose J.; Jones, Glenn C. (Eastman Kodak Co., USA). U.S. US 4439278 A 27 Mar 1984, 5 pp. Cont.-in-part of U.S. 4,389,285. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C07C007-20; B01D003-34. NCL: 203009000. APPLICATION: US 83-489678 28 Apr 1983. PRIORITY: US 82-390489 21 Jun 1982. DOCUMENT TYPE: Patent CA Section: 35 (Chemistry of Synthetic High Polymers) Polymn. inhibitors used in the prepn. of ethylenically unsatd. arom. compds. comprise 3,5-dinitrosalicylic acid (I) [609-99-4], Ph 3,5-dinitrosalicylate [52040-46-7], 3,5-dinitro-4-hydroxybenzoic acid [1019-52-9], and lower alkyl esters thereof. Thus, 1000 ppm I was added to 500 mL styrene [100-42-5] contg. 50 ppm tert-butylcatechol. After 6 h reflux, the amt. of polymer formation was 0.3%, compared with 0.90% using 4,6-dinitro-o-cresol in place of I.

Effect of the nature of substituents in an aromatic ring on the corrosion inhibition of steel in distilled water: Effect of the nature of substituents in an aromatic ring on the corrosion inhibition of steel in distilled water. 39296-41-8 is the cas registry number. This chemical is also mentioned in this article. Trufanova, A. I.; Lazareva, T. A.; Khlebnikova, S. F.; Ermoshina, V. V. (Tul. Politekh. Inst., Tula, USSR). Deposited Doc., VINITI 1704-76, 9 pp. Avail. VINITI (Russian) 1976. DOCUMENT TYPE: Report CA Section: 55 (Ferrous Metals and Alloys) The corrosion of steel St.3 [39296-41-8] was investigated in distd. H2O to which 8 ′ 10-4 mol/L corrosion inhibitors were added. These were benzene derivs. with OH, CO2H, and CH:CHCO2H substituents used in the form of acids or their Na salts. The duration of expts. at 18-20° was 120 h. All examd. compds. decreased the steel corrosion. Naphthol [1321-67-1], having greater electron d. in the ring, rendered greater protection than PhOH [108-95-2]. The degree of steel protection in the phenol soln. was 9.3% and in the naphthol soln. 18.2%. With the introduction of 2 nitro-groups in the OH and CO2H arom. acids the protective action increased in comparison to mononitro compds. Thus, 2,4-dinitrophenol [51-28-5] and 2,4-dinitroresorcinol [519-44-8] and their Na salts had 100% corrosion inhibition. The 3,5-dinirobenzoic acid [99-34-3] and dinitrosalicylic acid [609-99-4] had 88.6 and 78% inhibition, resp., and their salts 100 and 94%, resp. Thus, PhOH, BzOH [65-85-0], and PhCH:CHCO2H [621-82-9] and their NO2 derivs. retarded the steel corrosion in aq. solns. .

Detail of "609-99-4"

Benzoic acid,2-hydroxy-3,5-dinitro-

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Reference