3,4-Dihydroxybenzaldehyde
3,4-Dihydroxybenzaldehyde's cas code is 139-85-5
3,4-Dihydroxybenzaldehyde, Suppliers, Wholesale, In Stock, Free Sample, China, Manufacturers, Made in China, Low Price, Quality, 1 Year Warranty
Product Description
3,4-Dihydroxybenzaldehyde Basic information
Description
Product Name: | 3,4-Dihydroxybenzaldehyde |
CAS: | 139-85-5 |
MF: | C7H6O3 |
MW: | 138.12 |
EINECS: | 205-377-7 |
Mol File: | 139-85-5.mol |
3,4-Dihydroxybenzaldehyde Chemical Properties
Melting point | 150-157 °C(lit.) |
Boiling point | 213.5°C (rough estimate) |
density | 1.2667 (rough estimate) |
refractive index | 1.4600 (estimate) |
storage temp. | 2-8°C |
solubility | 6.3g/l |
pka | pK (25°) 7.55 |
form | Crystalline Powder |
color | slightly brown |
Water Solubility | 50 g/L (20 ºC) |
Sensitive | Air Sensitive |
Merck | 14,7893 |
BRN | 774381 |
Stability: | Stable. Incompatible with strong bases, strong oxidizing agents. |
CAS DataBase Reference | 139-85-5(CAS DataBase Reference) |
NIST Chemistry Reference | 3,4-Dihydroxybenzaldehyde(139-85-5) |
EPA Substance Registry System | Benzaldehyde, 3,4-dihydroxy- (139-85-5) |
3,4-Dihydroxybenzaldehyde Safety Information
Hazard Codes | Xi |
Risk Statements | 36/37/38-22 |
Safety Statements | 26-36-37/39 |
WGK Germany | 3 |
RTECS | UL0380000 |
F | 9 |
Hazard Note | Irritant/Air Sensitive |
HS Code | 29124900 |
3,4-Dihydroxybenzaldehyde Usage And Synthesis
Chemical Properties | brown powder |
Purification Methods | Crystallise the aldehyde from water or toluene and dry it in a vacuum desiccator over KOH pellets or shredded wax respectively. [Beilstein 8 IV 1762.] |
3,4-Dihydroxybenzaldehyde Preparation Products And Raw materials
Preparation Products | 4'-FORMYLBENZO-15-CROWN 5-ETHER-->3-(3,4-DIHYDROXYPHENYL)PROPIONIC ACID-->3',4'-(DIOCTYLOXY)BENZALDEHYDE-->3',4'-(DIDECYLOXY)BENZALDEHYDE-->3,4-DIHYDRO-2H-1,5-BENZODIOXEPINE-7-CARBALDEHYDE |
Raw materials | Phosphorus pentachloride |