All Photos(1)
About This Item
Linear Formula:
H2NC(O)C6H4CO2H
CAS Number:
Molecular Weight:
165.15
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
assay
97%
form
solid
mp
140-143 °C (lit.)
SMILES string
NC(=O)c1ccccc1C(O)=O
InChI
1S/C8H7NO3/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H2,9,10)(H,11,12)
InChI key
CYMRPDYINXWJFU-UHFFFAOYSA-N
General description
Phthalamic acid can be synthesized from the reaction between ammonia and phthalic anhydride by a modified Auger′s method. Kinetic studies of the intramolecular carboxylic-group assisted hydrolysis of amide bond of phthalamic acid provided the value of pseudo-first order rate constant (kobs) as 5.1×10-5sec-1 at pH 1.3-1.8 and 35°C. It undergoes hydrolysis about 105 times faster than benzamide.
Application
Phthalamic acid may be used to synthesize anthranilic acid via reaction with sodium hypochlorite.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Mireille Canal-Raffin et al.
Particle and fibre toxicology, 4, 8-8 (2007-09-22)
Pesticides, in particular folpet, have been found in rural and urban air in France in the past few years. Folpet is a contact fungicide and has been widely used for the past 50 years in vineyards in France. Slightly water-soluble
?General acid-base catalysis in the intramolecular hydrolysis of phthalamic acid1?
Bender L M
Journal of the American Chemical Society, 79(5), 1258-1259 (1957)
CCXXXVII.?The preparation of phthalamic acids and their conversion into anthranilic acids.
Chapman E and Stephen E.
Journal of the Chemical Society, 127, 1791-1797 (1925)
The hydrolysis and cyclization of some phthalamic acid derivatives.
J Brown et al.
Journal of the American Chemical Society, 88(19), 4468-4474 (1966-10-05)
Yoshiyuki Ogino et al.
Chirality, 29(6), 282-293 (2017-04-20)
Enantiomeric thalidomide undergoes various kinds of biotransformations including chiral inversion, hydrolysis, and enzymatic oxidation, which results in several metabolites, thereby adding to the complexity in the understanding of the nature of thalidomide. To decipher this complexity, we analyzed the multidimensional
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