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N-Acetylanthranilic acid

N-Acetylanthranilic acid
N-Acetylanthranilic acid structure
CAS No.
89-52-1
Chemical Name:
N-Acetylanthranilic acid
Synonyms
AKOS 92175;Lappaconiticacid;2-carboxyacetanilide;N-Acetylantranilzuur;acetylanthranilicacid;o-acetamidoanthranilic;2-ACETAMIDOBENOIC ACID;o-acetoaminobenzoicacid;O-ACETAMIDOBENZOIC ACID;O-ACETAMINOBENZOIC ACID
CBNumber:
CB4449812
Molecular Formula:
C9H9NO3
Formula Weight:
179.17
MOL File:
89-52-1.mol

N-Acetylanthranilic acid Properties

Melting point:
184-187 °C(lit.)
Boiling point:
311.69°C (rough estimate)
Density 
1.2822 (rough estimate)
refractive index 
1.5600 (estimate)
pka
pK1: 3.63 (25°C)
Water Solubility 
slightly soluble
BRN 
880371
Stability:
Stable. Combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference
89-52-1(CAS DataBase Reference)
EPA Substance Registry System
Benzoic acid, 2-(acetylamino)-(89-52-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn,Xi
Risk Statements  22-36/37/38
Safety Statements  36-37/39-26
WGK Germany  3
RTECS  CB2455000
Hazard Note  Irritant
TSCA  Yes
HS Code  29242300
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

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N-Acetylanthranilic acid Chemical Properties,Uses,Production

Chemical Properties

solid

Definition

ChEBI: An amidobenzoic acid consisting of anthranilic acid carrying an N-acetyl group.

Purification Methods

Wash the acid with distilled H2O and recrystallise it from aqueous AcOH, dry it and recrystallise again from EtOAc. Also recrystallise it from water or EtOH. UV: max 221, 252 and 305nm (EtOH). The amide crystallises from aqueous EtOH and has m 186-187o and max 218, 252 and 301nm. [Chattaway J Chem Soc 2495 1931, Walker J Am Chem Soc 77 6698 1955, Beilstein 14 H 337, 14 I 540, 14 II 219, 14 III 922.]

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