3,4-Dihydroxybenzaldehyde
Suppliers
Names
[ CAS No. ]:
139-85-5
[ Name ]:
3,4-Dihydroxybenzaldehyde
[Synonym ]:
Benzaldehyde, 3,4-dihydroxy-
1,2-dihydroxy-4-formylbenzene
3,4-Dihydroxy benzaldehyde
4-formyl-1,2-benzenediol
3,4-Dihydroxybenzyl aldehyde
RANCINAMYCIN IV
MFCD00003370
UNII-4PVP2HCH4T
4-formyl-1,2-dihydroxybenzene
EINECS 205-377-7
3,4-Dihydroxybenzaldehyde
Protocatechuic aldehyde
Protocatechualdehyde
Chemical & Physical Properties
[ Density]:
1.4±0.1 g/cm3
[ Boiling Point ]:
295.4±20.0 °C at 760 mmHg
[ Melting Point ]:
150-157 °C(lit.)
[ Molecular Formula ]:
C7H6O3
[ Molecular Weight ]:
138.12
[ Flash Point ]:
146.7±18.3 °C
[ Exact Mass ]:
138.031693
[ PSA ]:
57.53000
[ LogP ]:
1.14
[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C
[ Index of Refraction ]:
1.674
[ Storage condition ]:
2-8°C
[ Stability ]:
Stable. Incompatible with strong bases, strong oxidizing agents.
[ Water Solubility ]:
50 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UL0380000
- CHEMICAL NAME :
- Protocatechualdehyde
- CAS REGISTRY NUMBER :
- 139-85-5
- LAST UPDATED :
- 198311
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C7-H6-O3
- MOLECULAR WEIGHT :
- 138.13
- WISWESSER LINE NOTATION :
- VHR CQ DQ
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 205 mg/kg
- TOXIC EFFECTS :
- Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - respiratory stimulation
- REFERENCE :
- APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 15,461,1957
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 56 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#07875
Safety Information
[ Symbol ]:
GHS07
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335
[ Precautionary Statements ]:
P261-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xi:Irritant
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S26-S36-S37/39
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
UL0380000
[ HS Code ]:
29124900
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2912499000
[ Summary ]:
2912499000. other aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:5.5%. General tariff:30.0%
Articles
J. Am. Chem. Soc. 136(33) , 11644-54, (2014)
Aromatic aldehydes are useful in numerous applications, especially as flavors, fragrances, and pharmaceutical precursors. However, microbial synthesis of aldehydes is hindered by rapid, endogenous, an...
Bioorg. Med. Chem. 15 , 2006-15, (2007)
Phenoloxidase (PO), also known as tyrosinase, is a key enzyme in insect development, responsible for catalyzing the hydroxylation of tyrosine into o-diphenols and the oxidation of o-diphenols into o-q...
J. Enzyme Inhib. Med. Chem. 30 , 420-9, (2015)
An HPLC-size exclusion method was developed as an assay method to evaluate the binding of tested compounds with carbonic anhydrase III (CAIII) enzyme. Inhibition of CAIII by a group of benzoic acid an...