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50-78-2

Basic Information
CAS No.: 50-78-2
Name: Benzoicacid, 2-(acetyloxy)-
Molecular Structure:
Molecular Structure of 50-78-2 (Benzoicacid, 2-(acetyloxy)-)
Formula: C9H8O4
Molecular Weight: 180.16
Synonyms: Rhodine(7CI);Salicylic acid acetate (8CI);2-(Acetyloxy)benzoic acid;AC 5230;Acetophen;Acetysal;Acimetten;Acisal;Saletin;Solpyron;Supac;Temperal;Toldex;Trombyl;Yasta;o-(Acetyloxy)benzoic acid;Acetyl Salicylic Acid;Adiro;Asaflow;Asagran;Asatard;Ascoden 30;Ascriptin;Aspalon;Aspirdrops;Aspirin;Aspirin Protect 300;Aspirin-Direkt;Aspro;Aspropharm;Astrix;Benaspir;Bialpirinia;Caprin;Coricidin D;Dolean pH 8;Easprin;Ecotrin;Endosprin;Entericin;Ewin;Extren;Gelprin;
EINECS: 200-064-1
Density: 1.35
Melting Point: 134-136 °C(lit.)
Boiling Point: 321.4 °C at 760 mmHg
Flash Point: 131.1 °C
Solubility: water: 3.3 g/L (20 °C)
Appearance: white solid
Hazard Symbols: HarmfulXn
Risk Codes: 22-36/37/38
Safety: 26-36/37/39
Transport Information: UN 1851
PSA: 63.60000
LogP: 1.31010
Synthetic route
108-24-7

acetic anhydride

69-72-7

salicylic acid

50-78-2

aspirin

Conditions
ConditionsYield
In neat (no solvent) Molecular sieve; Microwave irradiation; Green chemistry;100%
With erbium(III) chloride for 0.2h; Heating;99%
With SO42-/ZrO2*graphene oxide solid super acid catalyst at 70℃; for 5h; Reagent/catalyst; Green chemistry;97.1%
302353-24-8

methylene-benzo[1,3]dioxin-4-one

50-78-2

aspirin

Conditions
ConditionsYield
With water at 25℃; for 1h; pH=7;100%
64-19-7

acetic acid

69-72-7

salicylic acid

50-78-2

aspirin

Conditions
ConditionsYield
at 80 - 90℃;95%
With sulfuric acid at 70℃; for 5h; Reagent/catalyst;95.7%

2-thioacetoxy-benzoic acid

50-78-2

aspirin

Conditions
ConditionsYield
With thionyl chloride; dihydrogen peroxide In ethanol at 25℃; for 0.0166667h;95%
With chloro-trimethyl-silane; dihydrogen peroxide In ethanol; water at 25℃; for 0.0666667h; regioselective reaction;88%
With Oxone for 0.583333h;58%
75-36-5

acetyl chloride

69-72-7

salicylic acid

50-78-2

aspirin

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 20℃;86%
With pyridine; sulfuric acid Cooling with ice;59.23%

methoxymethyl 2-acetoxybenzoate

50-78-2

aspirin

Conditions
ConditionsYield
With bismuth(III) chloride; water In acetonitrile at 50℃; for 1h;85%
533-18-6

2-methylphenyl acetate

50-78-2

aspirin

Conditions
ConditionsYield
With zinc(II) oxide In N,N-dimethyl-formamide for 0.15h; microwave irradiation;80%
With potassium permanganate; benzyl(triethyl)ammoniumpermanganate In acetic acid at 30℃; for 72h;24%
With 2,2'-azobis(isobutyronitrile); oxygen; 1N,3N,5N-trihydroxy-1,3,5-triazin-2,4,6[1H,3H,5H]-trione; cobalt(II) acetate; manganese(II) acetate In acetic acid at 150℃; under 760 Torr; for 14h;9%
85515-88-4

C16H16N2O5S

50-78-2

aspirin

Conditions
ConditionsYield
With copper dichloride In tetrahydrofuran; water for 24h; Ambient temperature;80%
108-24-7

acetic anhydride

15402-17-2

4'-Methoxy-flavyliumchlorid

A

100-09-4

4-methoxybenzoic acid

B

50-78-2

aspirin

Conditions
ConditionsYield
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetic ester, water, 20 min : decomposition reaction;A 79%
B 52%
With ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) water, acetic ester, 20 min; Yield given. Multistep reaction. Yields of byproduct given;
925681-78-3

O-acetylsalicylic acid acid 2-oxo-1,2,2-triphenylethyl ester

A

201-68-3

13-oxa-indeno[1,2-l]phenanthrene

B

50-78-2

aspirin

Conditions
ConditionsYield
With air In ethanol; acetonitrile Irradiation;A n/a
B 79%
108-24-7

acetic anhydride

90-02-8

salicylaldehyde

50-78-2

aspirin

Conditions
ConditionsYield
With oxygen; CoCl2 In 1,2-dichloro-ethane at 25℃; other aldehydes;71.5%
With oxygen; CoCl2 In 1,2-dichloro-ethane at 25℃;71.5%
With oxygen; cobalt(II) chloride In 1,2-dichloro-ethane at 25℃; for 20h;71%
52602-01-4

tert-butyl acetylperoxysalicylate

A

3271-80-5

2-acetoxybiphenyl

B

122-79-2

Phenyl acetate

C

69-72-7

salicylic acid

D

50-78-2

aspirin

Conditions
ConditionsYield
In benzene at 100℃; for 48h;A 36%
B 10%
C 42%
D 12%
580-02-9

methyl acetylsalicylate

50-78-2

aspirin

Conditions
ConditionsYield
With lithium chloride In N,N-dimethyl-formamide for 0.166667h; Microwave irradiation; chemoselective reaction;34%
Stage #1: methyl acetylsalicylate With sodium hydroxide In methanol; water for 2h; Reflux;
Stage #2: With hydrogenchloride
129218-88-8

(Z)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene

A

129218-93-5

2-methyl-3-(phenylmethyl)chromone

B

129218-92-4

(E)-1-acetoxy-1-(2-acetoxyphenyl)-1,3-butadiene

C

50-78-2

aspirin

Conditions
ConditionsYield
In hexane for 2h; Ambient temperature; Irradiation;A 7%
B 30%
C 23%
108-24-7

acetic anhydride

69-72-7

salicylic acid

71-43-2

benzene

50-78-2

aspirin

18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

64-19-7

acetic acid

A

108-24-7

acetic anhydride

B

50-78-2

aspirin

64-19-7

acetic acid

94-36-0

dibenzoyl peroxide

A

65-85-0

benzoic acid

B

122-79-2

Phenyl acetate

C

50-78-2

aspirin

D

71-43-2

benzene

54-21-7

sodium salicylate

75-36-5

acetyl chloride

50-78-2

aspirin

463-51-4

Ketene

67-64-1

acetone

69-72-7

salicylic acid

A

18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

B

50-78-2

aspirin

463-51-4

Ketene

60-29-7

diethyl ether

69-72-7

salicylic acid

50-78-2

aspirin

463-51-4

Ketene

60-29-7

diethyl ether

69-72-7

salicylic acid

A

18698-59-4

(2-acetoxy-benzoic acid )-acetic acid-anhydride

B

50-78-2

aspirin

463-51-4

Ketene

69-72-7

salicylic acid

50-78-2

aspirin

Conditions
ConditionsYield
With acetone Behandeln des Reaktionsgemisches mit Wasser;
With acetone Erwaermen des Reaktionsprodukts mit Essigsaeure;
With diethyl ether
With acetone Erwaermen des Reaktionsprodukts mit Essigsaeure;
542-10-9

ethylidene diacetate

69-72-7

salicylic acid

50-78-2

aspirin

869-29-4

1,1-diacetoxy-2-propene

69-72-7

salicylic acid

A

2-vinyl-4H-benzo[d][1,3]dioxin-4-one

B

50-78-2

aspirin

Conditions
ConditionsYield
With sulfuric acid; acetic acid at 105℃;
94-36-0

dibenzoyl peroxide

50-78-2

aspirin

Conditions
ConditionsYield
With acetic acid at 90℃;
52602-20-7

2-tert-butoxy-2-methyl-4H-1,3-benzodioxin-4-one

50-78-2

aspirin

Conditions
ConditionsYield
With phosphate buffer In 1,4-dioxane; water at 37℃; Rate constant;
52-90-4

L-Cysteine

1466-82-6

aspirin anhydride

A

S-(O-acetylsalicyloyl)-2-amino-3-thiopropionic acid

B

50-78-2

aspirin

Conditions
ConditionsYield
In 1,4-dioxane; water Rate constant; sodium acetate buffer;;
616-91-1

N-acetylcystein

1466-82-6

aspirin anhydride

A

2-acetamido-3-(2-acetoxybenzoylthio)propionic acid

B

50-78-2

aspirin

Conditions
ConditionsYield
In 1,4-dioxane; water Rate constant; sodium acetate buffer;;
50785-25-6

2-oxopropyl 2-acetoxybenzoate

A

2100-38-1

Salicylsaeure-2-oxopropylester

B

50-78-2

aspirin

Conditions
ConditionsYield
With buffer pH 8.0 In acetonitrile at 37℃; Kinetics; half-life time of hydrolysis at different pH;
50-78-2

aspirin

1466-82-6

aspirin anhydride

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In dichloromethane at 20℃;100%
With iodine; triethylamine; triphenylphosphine In dichloromethane at 0 - 20℃;72%
With triethylamine; trichloroacetonitrile; triphenylphosphine In tetrahydrofuran at 20℃; for 2h;71%
50-78-2

aspirin

5538-51-2

O-acetylsalicyloyl chloride

Conditions
ConditionsYield
Stage #1: aspirin With oxalyl dichloride In dichloromethane at 20℃; for 0.5h;
Stage #2: In dichloromethane; N,N-dimethyl-formamide at 20℃; for 6h;
100%
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 3h;98.5%
With 2-hydroxypyridin; thionyl chloride In chloroform at 80 - 85℃;97%
50-78-2

aspirin

121-45-9

phosphorous acid trimethyl ester

62880-92-6

dimethyl 1-(2-acetoxyphenyl)-1-oxomethanephosphonate

Conditions
ConditionsYield
Stage #1: aspirin With oxalyl dichloride In dichloromethane at 20℃;
Stage #2: phosphorous acid trimethyl ester at 5 - 20℃; Further stages.;
100%
50-78-2

aspirin

100-51-6

benzyl alcohol

52602-17-2

2-acetoxybenzoic acid benzyl ester

Conditions
ConditionsYield
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 0℃; for 1h; Reagent/catalyst; Solvent; Temperature; Mitsunobu Displacement; Inert atmosphere;100%
41879-37-2

t-butyldimethylsilyl amine

50-78-2

aspirin

129512-44-3

tert-butyldimethylsilyl 2-acetoxybenzoate

Conditions
ConditionsYield
In neat (no solvent) at 20℃; for 0.5h; Green chemistry;100%
50-78-2

aspirin

929209-00-7

C7H6O3*C17H20N4S

Conditions
ConditionsYield
In methanol for 24h; Product distribution / selectivity;99%
102-71-6

triethanolamine

50-78-2

aspirin

2174-16-5

triethanolamine salicylate

Conditions
ConditionsYield
With methanol for 1h; Reflux;99%
555-75-9

aluminum ethoxide

50-78-2

aspirin

198878-22-7

Al(OC2H5)(C6H4OCOCH3COO)2

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;98.5%
536-74-3

phenylacetylene

50-78-2

aspirin

(Z)-β-Styryl acetylsalicylate

Conditions
ConditionsYield
Ru(η3-CH2=C(Me)CH2)2 In toluene at 80℃; for 20h;98%
536-74-3

phenylacetylene

50-78-2

aspirin

1-phenylvinyl 2-acetoxybenzoate

Conditions
ConditionsYield
With C58H34F18O6P2Ru; silver trifluoromethanesulfonate In toluene at 70℃; for 2h; Inert atmosphere; Schlenk technique; regioselective reaction;98%
555-31-7

aluminum isopropoxide

50-78-2

aspirin

198878-23-8

Al(OC3H7)(C6H4OCOCH3COO)2

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;97.8%

vanadocene

50-78-2

aspirin

cyclopentadienylvanadium bisacetylsalicylate

Conditions
ConditionsYield
In diethyl ether byproducts: C5H6, H2; (vac. or Ar); addn. of acid to V-complex in ether (20°C, 24 h); filtration, washing (ether), drying; elem. anal.;97%
49815-49-8

3-hydroxyimino-olean-12-en-28-oic acid

50-78-2

aspirin

17,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;96.9%
With dicyclohexyl-carbodiimide In chloroform at 0 - 20℃; for 2h;62%
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;
555-31-7

aluminum isopropoxide

50-78-2

aspirin

29825-08-9

Al(C6H4OCOCH3COO)3

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;96.5%
555-31-7

aluminum isopropoxide

50-78-2

aspirin

198878-21-6

Al(OC3H7)2C6H4OCOCH3COO

Conditions
ConditionsYield
In xylene acid heated until dissolved (80-85°C), further heating (90-95°C), alcoholate addn., stirring (90-95°C, 3-4 h); drying in vacuum; elem. anal.;96%
111-42-2

2,2'-iminobis[ethanol]

50-78-2

aspirin

109962-24-5

bis(2-hydroxy-ethyl)ammonium 2-hydroxy-benzoate

Conditions
ConditionsYield
With methanol for 1h; Reflux;96%
100-37-8

2-(Diethylamino)ethanol

50-78-2

aspirin

diethylaminoethylacetylsalicylate acetylsalicylate

Conditions
ConditionsYield
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol at 20℃; for 3h;
96%
100-37-8

2-(Diethylamino)ethanol

50-78-2

aspirin

diethylaminoethyl acetylsalicylate acetylsalicylic acid salt

Conditions
ConditionsYield
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol In chloroform at 20℃; for 3h;
96%
Stage #1: aspirin With dicyclohexyl-carbodiimide In chloroform at 5 - 20℃; for 2h;
Stage #2: 2-(Diethylamino)ethanol In chloroform at 20℃; for 3h;
96%
74-55-5

ethambutol

50-78-2

aspirin

C19H30N2O5

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dimethyl sulfoxide at 30℃; Temperature;96%
373-53-5

fluoroiodomethane

50-78-2

aspirin

fluoromethyl 2-acetoxybenzoate

Conditions
ConditionsYield
With caesium carbonate In acetonitrile at 20℃; for 6h; chemoselective reaction;96%
103150-19-2

exo-7-chloro-endo-7-phenyl-cis-bicyclo<4.2.0>octan-8-one

50-78-2

aspirin

122898-94-6

exo-1-<(2-acetoxybenzoyl)oxy>-7-phenyl-cis-bicyclo<4.2.0>octane-8-one

Conditions
ConditionsYield
With triethylamine In acetone at 20℃;95%
50-78-2

aspirin

69-72-7

salicylic acid

Conditions
ConditionsYield
With water; trifluoroacetic acid at 65℃; for 0.5h;95%
With copper dichloride In methanol; water for 1h; Heating;90%
With sodium hydroxide In 1,4-dioxane at 56.4℃; Rate constant; pH 12; reaction in the presence of aq. cetyltrimethylammonium bromide (CTBA);
771-61-9

2,3,4,5,6-pentafluorophenol

50-78-2

aspirin

65482-79-3

2-acetoxy-benzoic acid pentafluorophenyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 40℃; for 0.333333h; microwave irradiation;95%
With dicyclohexyl-carbodiimide In 1,4-dioxane for 4h;61%
106-96-7

propargyl bromide

50-78-2

aspirin

Acetylsalicylic acid propargylic ester

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 2h;95%
With potassium carbonate In N,N-dimethyl-formamide at 20℃;
Stage #1: aspirin With potassium carbonate In N,N-dimethyl-formamide for 0.5h;
Stage #2: propargyl bromide In N,N-dimethyl-formamide at 60℃; for 10h;
50-78-2

aspirin

62952-06-1

lysine Acetylsalicylate

Conditions
ConditionsYield
In ethanol; water for 0.533333h; Time;95%
In water; acetone at -15 - 15℃; for 1h; Concentration;92.4%
35137-30-5

3-hydroxyimino-olean-12-en-28-oic acid methyl ester

50-78-2

aspirin

13,3-(2-acetoxy)benzoyloxyiminoolean-12-en-28-oic acid methyl ester

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;93.9%
With dicyclohexyl-carbodiimide In chloroform at 0 - 20℃; for 2h;67%
With dicyclohexyl-carbodiimide In 1,4-dioxane at 20℃;
  • Bloom Tech (Since 2008) Factory Wholesale CAS 50-78-2 Acetylsalicylic Acid/Aspirin

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    50-78-2

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    Bloom Tech (Since 2008) Factory Wholesale CAS 50-78-2 Acetylsalicylic Acid/Aspirin

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    Introduction Aspirin (USAN), also known as acetylsalicylic acid ,is a salicylate drug, often used as an analgesic to relieve minor aches andpains, as an antipyretic to reduce fever, and as an anti-inflammatory medication. In general, aspirin

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    50-78-2

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    50-78-2

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    Aspirin/cas 50-78-2

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  • Aspirin

  • Casno:

    50-78-2

    Aspirin

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    Aspirin

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  • Acetylsalicylic acid

  • Casno:

    50-78-2

    Acetylsalicylic acid

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Chemistry

IUPAC Name: 2-Acetyloxybenzoic acid
Canonical SMILES: CC(=O)OC1=CC=CC=C1C(=O)O
InChI: InChI=1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12)
Molecular Formula: C9H8O4
Molecular Weight: 180.16 g/mol
EINECS: 200-064-1
Classification Code: Analgesic; Analgesics; Analgesics, Non-Narcotic; Anti-Inflammatory Agents; Anti-inflammatory agents, non-steroidal; Antipyretic; Antirheumatic; Antirheumatic Agents; Cardiovascular Agents; Cyclooxygenase inhibitors; Drug / Therapeutic Agent; Enzyme Inhibitors; Fibrin Modulating Agents; Fibrinolytic agents; Hematologic Agents; Human Data; Mutation data; Peripheral Nervous System Agents; Platelet aggregation inhibitors; Reproductive Effect; Sensory System Agents
Stability: Stable. Keep dry. Incompatible with strong oxidizing agents, strong bases, strong acids, various other compounds such as iodides, iron salts, quinine salts, etc.
storage temp.: Store at RT.
solubility: H2O: 10 mg/mL at 37 °C
Water Solubility: 3.3 g/L (20 °C)
Melting Point: 134-136 °C(lit.)
Index of Refraction: 1.55
Molar Refractivity: 44.52 cm3
Molar Volume: 139.5 cm3
Surface Tension: 49.8 dyne/cm
Density: 1.29 g/cm3
Flash Point: 131.2 °C
Enthalpy of Vaporization: 59.45 kJ/mol
Boiling Point: 321.4 °C at 760 mmHg
Vapour Pressure of Aspirin (CAS NO.50-78-2): 0.000124 mmHg at 25 °C

History

 Medicines containing derivatives of salicylic acid, structurally similar to aspirin, have been in medical use long long ago. Salicylate-rich willow bark extract became recognized for its specific effects on fever, pain and inflammation in the mid-eighteenth century. By the nineteenth century pharmacists were experimenting with and prescribing a variety of chemicals related to salicylic acid, the active component of willow extract.
French chemist Charles Frederic Gerhardt was the first to prepare acetylsalicylic acid in 1853,he mixed acetyl chloride with a sodium salt of salicylic acid ,during his work on the synthesis and properties of various acid anhydrides.A reaction ensued,the resulting melt  solidified quickly.So the compound was called "salicylic-acetic anhydride" by Gerhardt. But he did not pursue it further. In 1859, Von Gilm obtained analytically pure acetylsalicylic acid. In 1897,Bayer began selling aspirin around the world.

Uses

  Aspirin (CAS NO.50-78-2) is one of the most frequently used drugs in the treatment of mild to moderate pain, including that of migraines and fever.It is often combined with other non-steroidal anti-inflammatory drugs and opioid analgesics in the treatment of moderate to severe pain.In high doses, aspirin and other salicylates are used in the treatment of rheumatic fever, rheumatic arthritis, and other inflammatory joint conditions. In lower doses, aspirin (or its equivalents, e.g., carbasalate calcium) also inhibits platelet aggregation, and has been shown to reduce the incidence of transient ischemic attacks and unstable angina in men, and can be used prophylactically. It is also used in the treatment of pericarditis, coronary artery disease, and acute myocardial infarction.Low doses of aspirin are also recommended for the prevention of stroke, and myocardial infarction in patients with diagnosed cardiovascular disease. It is of no value in people without proven heart disease.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child LDLo oral 104mg/kg (104mg/kg) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

GASTROINTESTINAL: NAUSEA OR VOMITING

BLOOD: HEMORRHAGE
Lancet. Vol. 2, Pg. 809, 1952.
child TDLo oral 10mg/kg/1D-I (10mg/kg) LUNGS, THORAX, OR RESPIRATION: ACUTE PULMONARY EDEMA

KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"

KIDNEY, URETER, AND BLADDER: URINE VOLUME DECREASED
Clinical Toxicology. Vol. 18, Pg. 247, 1981.
child TDLo oral 39mg/kg/13D-I (39mg/kg) LIVER: "HEPATITIS (HEPATOCELLULAR NECROSIS), DIFFUSE" American Journal of Diseases of Children. Vol. 139, Pg. 453, 1985.
dog LD50 intravenous 681mg/kg (681mg/kg) BEHAVIORAL: ANALGESIA Archives Internationales de Pharmacodynamie et de Therapie. Vol. 149, Pg. 571, 1964.
dog LD50 oral 700mg/kg (700mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Arzneimittel-Forschung. Drug Research. Vol. 21, Pg. 719, 1971.
guinea pig LD50 oral 1075mg/kg (1075mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: TREMOR

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Journal of the American Pharmaceutical Association, Scientific Edition. Vol. 47, Pg. 479, 1958.
hamster LD50 oral 3500mg/kg (3500mg/kg)   Archives of Toxicology, Supplement. Vol. 7, Pg. 365, 1984.
human TDLo oral 480mg/kg/7D-I (480mg/kg) SENSE ORGANS AND SPECIAL SENSES: TINNITUS: EAR

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: OTHER CHANGES
Arzneimittel-Forschung. Drug Research. Vol. 25, Pg. 281, 1975.
human TDLo oral 669mg/kg/11D (669mg/kg) LIVER: LIVER FUNCTION TESTS IMPAIRED American Journal of Hospital Pharmacy. Vol. 35, Pg. 330, 1978.
human TDLo oral 1050mg/kg/14D (1050mg/kg) VASCULAR: OTHER CHANGES Clinical Pharmacology and Therapeutics Vol. 67, Pg. 530, 2000.
human TDLo oral 2880mg/kg/8W (2880mg/kg) SENSE ORGANS AND SPECIAL SENSES: TINNITUS: EAR

GASTROINTESTINAL: NAUSEA OR VOMITING

GASTROINTESTINAL: DECREASED MOTILITY OR CONSTIPATION
Arzneimittel-Forschung. Drug Research. Vol. 33, Pg. 631, 1983.
infant TDLo oral 120mg/kg (120mg/kg) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION

KIDNEY, URETER, AND BLADDER: HEMATURIA
British Medical Journal. Vol. 1, Pg. 1081, 1979.
mammal (species unspecified) LD50 oral 1750mg/kg (1750mg/kg)   Indian Journal of Medical Research. Vol. 81, Pg. 621, 1985.
man LDLo unreported 294mg/kg (294mg/kg)   "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
man TDLo oral 857mg/kg (857mg/kg) BEHAVIORAL: COMA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Human Toxicology. Vol. 7, Pg. 161, 1988.
man TDLo oral 1625mg/kg (1625mg/kg) BEHAVIORAL: COMA Clinical Pediatrics Vol. 24, Pg. 678, 1985.
man TDLo oral 13036mg/kg/5Y (13036mg/kg) GASTROINTESTINAL: OTHER CHANGES

MUSCULOSKELETAL: JOINTS

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
Annals of Internal Medicine. Vol. 126, Pg. 665, 1997.
mouse LD50 intraperitoneal 167mg/kg (167mg/kg)   United States Patent Document. Vol. #4376771,
mouse LD50 oral 250mg/kg (250mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 5, Pg. 572, 1955.
mouse LD50 subcutaneous 1020mg/kg (1020mg/kg)   Chemical and Pharmaceutical Bulletin. Vol. 28, Pg. 1237, 1980.
mouse LD50 unreported 1350mg/kg (1350mg/kg)   United States Patent Document. Vol. #5240918,
rabbit LD50 oral 1010mg/kg (1010mg/kg) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 24(3), Pg. 43, 1980.
rat LD50 intraperitoneal 340mg/kg (340mg/kg)   Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. Vol. 62, Pg. 11, 1966.
rat LD50 oral 200mg/kg (200mg/kg)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 67, 1969.
rat LD50 rectal 790mg/kg (790mg/kg)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 67, 1969.
women TDLo oral 480mg/kg/5D-I (480mg/kg) KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" New England Journal of Medicine. Vol. 296, Pg. 418, 1977.
women TDLo oral 525mg/kg/5D-I (525mg/kg) LIVER: "HEPATITIS (HEPATOCELLULAR NECROSIS), DIFFUSE" Annals of Internal Medicine. Vol. 80, Pg. 74, 1974.
women TDLo oral 800mg/kg (800mg/kg) KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"

MUSCULOSKELETAL: OTHER CHANGES
American Journal of Emergency Medicine. Vol. 7, Pg. 409, 1989.
women TDLo rectal 4550mg/kg (4550mg/kg) BRAIN AND COVERINGS: ENCEPHALITIS

BEHAVIORAL: COMA

CARDIAC: ARRHYTHMIAS (INCLUDING CHANGES IN CONDUCTION)
Annals of Pharmacotherpy. Vol. 28, Pg. 467, 1994.

Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 22-36/37/38 
R22: Harmful if swallowed. 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 1851
WGK Germany: 1
RTECS: VO0700000
PackingGroup: III

Specification

  Aspirin (CAS NO.50-78-2), its Synonyms are Acetylsalicylic acid ; 2-(Acetyloxy)benzoic acid ; 2-Acetoxybenzoic acid ; 2-Carboxyphenyl acetate ; Acesal ; Aceticyl ; Acetilsalicilico ; Acetilum acidulatum ; Benzoic acid, 2-(acetyloxy)- ; O-Acetylsalicylic acid ; Salicylic acid, acetate . It is odorless white crystals or crystalline powder with a slightly bitter taste.