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1466-82-6

1466-82-6 structure
1466-82-6 structure
  • Name: Acetylsalicylic anhydride
  • Chemical Name: (2-acetyloxybenzoyl) 2-acetyloxybenzoate
  • CAS Number: 1466-82-6
  • Molecular Formula: C18H14O7
  • Molecular Weight: 342.300
  • Create Date: 2018-03-12 08:00:00
  • Modify Date: 2025-08-20 12:15:38
Name (2-acetyloxybenzoyl) 2-acetyloxybenzoate
Synonyms 2-Acetoxybenzoic anhydride
Salicylic anhydride,diacetate
Acetylsalicylic acid anhydride
O-acetylsalicylic anhydride
Benzoic acid, 2- (acetyloxy)-, anhydride
Aspirin anhydride
2-acetoxy-benzoic acid-anhydride
SALICYLIC ANHYDRIDE DIACETATE
Benzoic acid, 2-(acetyloxy)-, anhydride (9CI)
Contraflu
Vigal
2-Acetoxy-benzoesaeure-anhydrid
Pircan
anhydride de l'acide acetylsalicylique
Acetylsalicylic anhydride
Density 1.3±0.1 g/cm3
Boiling Point 511.2±35.0 °C at 760 mmHg
Melting Point 80-83ºC
Molecular Formula C18H14O7
Molecular Weight 342.300
Flash Point 226.4±26.0 °C
Exact Mass 342.073944
PSA 95.97000
LogP 1.33
Vapour Pressure 0.0±1.3 mmHg at 25°C
Index of Refraction 1.568
Storage condition 2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VO0710000
CHEMICAL NAME :
Salicylic acid, acetate, anhydride
CAS REGISTRY NUMBER :
1466-82-6
BEILSTEIN REFERENCE NO. :
2015320
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C18-H14-O7
MOLECULAR WEIGHT :
342.32

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2200 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Cardiac - other changes

MUTATION DATA

TYPE OF TEST :
Cytogenetic analysis
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
300 mg/L
REFERENCE :
GMCRDC Gann Monograph on Cancer Research. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No. 11- 1971- Volume(issue)/page/year: 27,95,1981
Hazard Codes Xn: Harmful;
Risk Phrases 22-36/37/38
Safety Phrases 26-36
HS Code 2918990090
50-78-2 structure

50-78-2

~72%

1466-82-6 structure

1466-82-6

Literature: Kim; Jang Synthetic Communications, 2001 , vol. 31, # 3 p. 395 - 399
98-88-4 structure

98-88-4

~%

1466-82-6 structure

1466-82-6

Literature: DE231093 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 10, p. 1117 Chemische Berichte, , vol. 43, p. 2990 Chem. Zentralbl., , vol. 82, # I p. 1568
5538-51-2 structure

5538-51-2

~%

1466-82-6 structure

1466-82-6

Literature: DE201325 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 9, p. 933
36335-42-9 structure

36335-42-9

~%

1466-82-6 structure

1466-82-6

Literature: Chemische Berichte, , vol. 43, p. 2990 Chem. Zentralbl., , vol. 82, # I p. 1568 DE224844 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 9, p. 1203
110-86-1 structure

110-86-1

36335-42-9 structure

36335-42-9

~%

1466-82-6 structure

1466-82-6

530-75-6 structure

530-75-6

Literature: Chemische Berichte, , vol. 43, p. 2990 Chem. Zentralbl., , vol. 82, # I p. 1568 DE234217 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 10, p. 1118 Chemische Berichte, , vol. 44, p. 438 Chem. Zentralbl., , vol. 109, # I p. 1082
18698-59-4 structure

18698-59-4

~%

1466-82-6 structure

1466-82-6

108-24-7 structure

108-24-7

Literature: US2423569 , ;
50-78-2 structure

50-78-2

5538-51-2 structure

5538-51-2

~%

1466-82-6 structure

1466-82-6

Literature: DE201325 ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 9, p. 933
HS Code 2918990090
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%
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