Salicylaldehyde, also known as 2-hydroxybenzaldehyde and o-hydroxybenzaldehyde, is an organic compound with a chemical formula of C7H6O2. It is a colorless to pale yellow oily liquid with a burnt and almond smell. It is mainly used as an analytical reagent and fragrance , gasoline additives, can also be used in organic synthesis.
Specification
|
Melting Point
|
1-2 °C (lit.)
|
|
Boiling Point
|
197 °C (lit.)
|
|
Density
|
1.146 g/mL at 25 °C (lit.)
|
|
Refractive Index
|
n20/D 1.573(lit.)
|
|
Flash point
|
170 °F
|
|
Storage Condition
|
-20°C
|
|
Solubility
|
4.9g/l
|
|
Appearance
|
Liquid
|
|
Acidity Coefficient (pKa)
|
8.37(at 25℃)
|
|
Color
|
Clear yellow
|
|
Odor
|
Bitter almonds
|
|
PH
|
6-8 (H2O, 20℃)Not applicable
|
|
Water Solubility
|
slightly soluble
|
|
Stability
|
Stable. Combustible. Incompatible with strong bases, strong reducing agents, strong acids, strong oxidizing agents.
|
|
InChIKey
|
SMQUZDBALVYZAC-UHFFFAOYSA-N
|
Safety Information
| Dangerous Goods Sign |
Xn,N
|
|
Hazard Category Code
|
21/22-36/38-68-36/37/38-20/21/22-51-36-51/53-22
|
|
Safety Instructions
|
26-36/37-36/37/39-36-61-64-29/35
|
|
Dangerous Goods Transportation No
|
3082
|
|
WGK Germany
|
2
|
|
RTECS
|
VN5250000
|
|
F
|
8-10-23
|
|
TSCA
|
Yes
|
|
Hazard Level
|
6.1(b)
|
|
Packaging Category
|
II
|
|
HS CODE
|
29122990
|
|
Toxicity
|
MLD in rats (mg/kg): 900-1000 s.c. (Binet)
|
