4-acetamidosalicylic acid

Modify Date: 2025-08-21 22:40:47

4-acetamidosalicylic acid Structure
4-acetamidosalicylic acid structure
 Common Name 4-acetamidosalicylic acid
CAS Number 50-86-2 Molecular Weight 195.17200
Density 1.462 g/cm3 Boiling Point 470.6ºC at 760 mmHg
Molecular Formula C9H9NO4 Melting Point 227-229ºC
MSDS N/A Flash Point 238.4ºC

 Names

Name 4-acetamidosalicylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.462 g/cm3
Boiling Point 470.6ºC at 760 mmHg
Melting Point 227-229ºC
Molecular Formula C9H9NO4
Molecular Weight 195.17200
Flash Point 238.4ºC
Exact Mass 195.05300
PSA 86.63000
LogP 1.12180
Index of Refraction 1.661

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VO0600000
CHEMICAL NAME :
Salicylic acid, 4-acetamido-
CAS REGISTRY NUMBER :
50-86-2
BEILSTEIN REFERENCE NO. :
0395899
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H9-N-O4
MOLECULAR WEIGHT :
195.19

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 :
2048 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
MEXPAG Medicina Experimentalis. (Basel, Switzerland) V.1-11, 1959-64; V.18-19, 1968-69. For publisher information, see JNMDBO. Volume(issue)/page/year: 11,325,1964

 Safety Information

Hazard Codes Xi
HS Code 2924299090

 Synthetic Route

Ethanoic anhydride structure

Ethanoic anhydride

CAS#:108-24-7

4-aminosalicylic acid structure

4-aminosalicyli...

CAS#:65-49-6

~95%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: NATIONAL DEFENSE MEDICAL CENTER Patent: US2012/101157 A1, 2012 ; Location in patent: Page/Page column 9 ; US 20120101157 A1
4-aminosalicylic acid structure

4-aminosalicyli...

CAS#:65-49-6

~90%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: Anphar, S.A. Patent: US4138492 A1, 1979 ;
4-Acetamidobenzoic acid structure

4-Acetamidobenz...

CAS#:556-08-1

~53%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: Zhang, Yang-Hui; Yu, Jin-Quan Journal of the American Chemical Society, 2009 , vol. 131, # 41 p. 14654 - 14655
Aminosalicylate Sodium structure

Aminosalicylate...

CAS#:133-10-8

~54%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: DAK-Laboratoriet Patent: US4933330 A1, 1990 ;
4-aminosalicylic acid structure

4-aminosalicyli...

CAS#:65-49-6

Acetyl chloride structure

Acetyl chloride

CAS#:75-36-5

~87%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: Seyler, Helga; Kilbinger, Andreas Tetrahedron Letters, 2013 , vol. 54, # 8 p. 753 - 756
4-acetamido-2-aminobenzoic acid structure

4-acetamido-2-a...

CAS#:43134-76-5

~%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: Romeo Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti, 1950 , vol. <8> 9, p. 91,94
4-Nitrosalicylic Acid structure

4-Nitrosalicyli...

CAS#:619-19-2

~%

4-acetamidosalicylic acid Structure

4-acetamidosali...

CAS#:50-86-2

Literature: Drain et al. Journal of the Chemical Society, 1949 , p. 1498,1502

 Customs

HS Code 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

N-Acetyl-4-aminosalicylic Acid
4-acetamido-2-hydroxybenzoic acid
EINECS 200-069-9
Metoclopramide EP Impurity H
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