Detail of "673-22-3"

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CAS Number:
673-22-3
Name:
Benzaldehyde,2-hydroxy-4-methoxy-
Superlist Name:
2-Hydroxy-4-methoxybenzaldehyde
Molecular Structure:
Formula:
C₈H₈O₃
Molecular Weight:
152.16
Synonyms:
p-Anisaldehyde,2-hydroxy- (6CI,7CI,8CI);2-Formyl-5-methoxyphenol;2-Hydroxy-p-anisaldehyde;4-Methoxy-6-hydroxybenzaldehyde;4-Methoxysalicylaldehyde;NSC 155334;o-Hydroxy-p-methoxybenzaldehyde;
EINECS:
211-604-0
Density:
1.231 g/cm³
Melting Point:
41-43 °C(lit.)
Boiling Point:
271.5 °C at 760 mmHg
Flash Point:
112.1 °C
Appearance:
creamy white to beige or light brown cryst. powder
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36-24/25 Details

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Reference

Physicochemical methods of identification and estimation of substitutes/adulterants in single drug mixtures and finished products: Physicochemical methods of identification and estimation of substitutes/adulterants in single drug mixtures and finished products. Part I: Identification of Hemidesmus indicus and Ichnocarpus frutescens in raw drug mixture. Nair, G. Aravindakshan; Ramiah, N. (Reg. Res. Inst., Trivandrum 695012, India). J. Sci. Res. Plants Med., 3(2-3), 57-60 (English) 1982. CODEN: JSRMDB. ISSN: 0253-7249. DOCUMENT TYPE: Journal CA Section: 64 (Pharmaceutical Analysis) Section cross-reference(s): 63 Roots of H. indicus and I. frutescens were extd. with EtOH, and the exts. were concd., chromatographed on silica gel plates with C6H6-CHCl3 (7:3). After spraying with H2SO4 and heating, 4 spots were found for the former and 3 for the latter. The compd. both had in common was b-sitosterol [83-46-5]. 2-Hydroxy-4-methoxybenzaldehyde [673-22-3], the physiol. active component of H. indicus, was not found in I. frutescens. Two spots with Rf values of 0.45 and 0.60 were not found in H. indicus. The absorbance max. for the H. indicus ext. was at 430 nm and the max. for I. frutescens ext. were at 560 and 640 nm. I. frutescens Cannot be used as a substitute for H. indicus in drugs, and its presence can be detd. by the characteristic spots on chromatograms or by spectrometry.

v-Triazolylphenylcoumarins: v-Triazolylphenylcoumarins. Schlaepfer, Hans (Ciba-Geigy A.-G., Switz.). 64992-17-2 is the cas registry number. This chemical is also mentioned in this article. Ger. Offen. DE 2712496 6 Oct 1977, 50 pp. (German). (Germany). CODEN: GWXXBX. CLASS: IC: C07D405-10. PRIORITY: CH 76-3814 26 Mar 1976. DOCUMENT TYPE: Patent CA Section: 40 (Dyes, Fluorescent Whitening Agents, and Photosensitizers) Title compds. 64992-17-2 is also in the experiment. (I; R = MeO, BuO, PhCH2O, Cl, H2N, EtO2CNH, AcNH; R1 = Me, Bu), prepd. by reaction of 5,2-R(HO)C6H3CHO or 5,2-R(MeO)C6H3CHO with [4-(v-triazol-2-yl)phenyl]acetic acids or -acetonitriles, are fluorescent whiteners for synthetic fibers and plastics. Thus, refluxing Na [4-(4-methoxy-v-triazol-2-yl)phenyl]acetate [64992-17-2] with 2-hydroxy-4-methoxybenzaldehyde [673-22-3] in Ac2O gave pale greenish cryst. I (R = MeO, R1 = Me) [64992-32-1], a fluorescent whitener for acetate and polyester fibers and for polystyrene [9003-53-6]. Six other I were prepd. ..

Detail of "673-22-3"

Benzaldehyde,2-hydroxy-4-methoxy-

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Reference