Syringaldehyde

Syringaldehyde is an organic compound that occurs in trace amounts widely in nature. Some species of insects use syringaldehyde in their chemical communication systems. Scolytus multistriatus uses it as a signal to find a host tree during oviposition.

Syringaldehyde
Names
Preferred IUPAC name
4-Hydroxy-3,5-dimethoxybenzaldehyde
Other names
3,5-Dimethoxy-4-hydroxybenzene carbonal, Gallaldehyde 3,5-dimethyl ether, 4-Hydroxy-3,5-dimethoxybenzaldehyde, Syringic aldehyde
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.004.698
EC Number
  • 205-167-5
RTECS number
  • CU5760000
UNII
  • InChI=1S/C9H10O4/c1-12-7-3-6(5-10)4-8(13-2)9(7)11/h3-5,11H,1-2H3 Y
    Key: KCDXJAYRVLXPFO-UHFFFAOYSA-N Y
  • InChI=1/C9H10O4/c1-12-7-3-6(5-10)4-8(13-2)9(7)11/h3-5,11H,1-2H3
    Key: KCDXJAYRVLXPFO-UHFFFAOYAW
  • COc1cc(cc(c1O)OC)C=O
Properties
C9H10O4
Molar mass 182.17 g/mol
Appearance colorless solid
Density 1.01 g/cm3
Melting point 110 to 113 °C (230 to 235 °F; 383 to 386 K)
Boiling point 192 to 193 °C (378 to 379 °F; 465 to 466 K) at 19 kPa
Insoluble
Hazards
GHS labelling:
Warning
H302, H315, H319, H335
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)
1
0
0
Flash point > 110 °C (230 °F; 383 K) c.c.
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Because it contains many functional groups, it can be classified in many ways - aromatic, aldehyde, phenol. It is a colorless solid (impure samples appear yellowish) that is soluble in alcohol and polar organic solvents. Its refractive index is 1.53.

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