Product Name

  • Name

    4-tert-Butylbenzoic acid

  • EINECS 202-696-3
  • CAS No. 98-73-7
  • Article Data193
  • CAS DataBase
  • Density 1.056 g/cm3
  • Solubility water: 0.07 g/L (20 oC)
  • Melting Point 162-165 °C(lit.)
  • Formula C11H14O2
  • Boiling Point 283.3 °C at 760 mmHg
  • Molecular Weight 178.231
  • Flash Point 134.9 °C
  • Transport Information UN 2811 6.1/PG 3
  • Appearance white to slightly yellow flakes
  • Safety 22-24/25-61-45-36/37/39-28A
  • Risk Codes 20/22-62-51/53-48/20/21/22-24
  • Molecular Structure Molecular Structure of 98-73-7 (4-tert-Butylbenzoic acid)
  • Hazard Symbols HarmfulXn,DangerousN,ToxicT
  • Synonyms 4-tert-butyl benzoic Acid(PTBBA);p-t-Butylbenzoic acid (PTBBA);P-Tert ¨Cbutylbenzoic Acid;P-tect-butylbenzoic acid;4-Tert-Butyl Benzois Acid(PTBBA);4-tert-butylbenzoic acid;ptbba;internal lubricant;Para-tert-butylbenzoic acid(PTBBA);Description of 4-Tert-Butylbenzoic Acid(PTBBA);P-tert-butyl Benzoic Acid;p-tert-Butylbenzoic acid calcium salt;Magnesium p-t-butylbenzoate;p-tert-Butyl benzoic acid, sodium salt;Benzoic acid, p-tert-butyl-, zinc salt;Benzoic acid, 4-(1,1-dimethylethyl)-, potassium salt;Kyselina p-terc.butylbenzoova [Czech];4-tert-butylbenzoate; zinc(+2) cation;barium(+2) cation; 4-tert-butylbenzoate;Calcium 4-(1,1-dimethylethyl)benzoate;Aluminium 4-(1,1-dimethylethyl)benzoate;Sodium p-tert-butylbenzoate;p-tert-Butyl benzoic acid, potassium salt;Benzoic acid, 4-(1,1-dimethylethyl)-, calcium salt;Benzoic acid, 4-(1,1-dimethylethyl)-, sodium salt;4-tert-butylbenzoate;Potassium p-tert-butylbenzoate;Benzoic acid, 4-(1,1-dimethylethyl)-, aluminum salt;p-t-Butylbenzoic acid, calcium salt;Benzoic acid, 4-(1,1-dimethylethyl)-, zinc salt;Zinc p-t-butylbenzoate;p-tert-Butylbenzoic acid, potassium salt;Calcium p-t-butylbenzoate;aluminum(+3) cation; 4-tert-butylbenzoate;Benzoic acid, 4-(1,1-dimethylethyl)-, barium salt;p-tert-Butylbenzoic acid;Benzoic acid, 4-(1,1-dimethylethyl)-, magnesium salt;4-(Dimethylethyl)benzoic acid, sodium salt;potassium 4-tert-butylbenzoate;Benzoic acid, 4-tert-butyl-;4-09-00-01884 (Beilstein Handbook Reference);Barium 4-(1,1-dimethylethyl)benzoate;P-T-Butylbenzoic Acid;
  • PSA 37.30000
  • LogP 2.68230

Synthetic route

4-tert-Butylbenzaldehyde
939-97-9

4-tert-Butylbenzaldehyde

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With hydrogen bromide; oxygen In acetonitrile at 20℃; for 5h; UV-irradiation;100%
With tert.-butylhydroperoxide; potassium tert-butylate In water at 60℃; for 5h;96%
With N-Bromosuccinimide; oxygen In ethyl acetate at 20℃; Irradiation;93%
4-tert-butyltoluene
98-51-1

4-tert-butyltoluene

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With hydrogen bromide; oxygen In ethyl acetate at 20℃; for 10h; UV-irradiation;100%
With 2-chloroanthracene-9,10-dione; water; oxygen; trifluoroacetic acid In ethyl acetate for 24h; Irradiation;99%
With sulfuric acid; ozone; acetic acid; manganese(II) acetate at 16℃; for 1.66667h;98%
4-tert-butyl-benzoic acid but-2-enyl ester

4-tert-butyl-benzoic acid but-2-enyl ester

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 20℃;100%
4-tert-butyl-benzoic acid 2-methyl-allyl ester

4-tert-butyl-benzoic acid 2-methyl-allyl ester

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 20℃;100%
cinnamyl 4-tert-butylbenzoate

cinnamyl 4-tert-butylbenzoate

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 60℃;100%
4-tert-Butylbenzyl alcohol
877-65-6

4-tert-Butylbenzyl alcohol

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With bromine; oxygen In acetonitrile for 10h; Irradiation;99%
With N-Bromosuccinimide; oxygen In acetonitrile at 20℃; under 760 Torr; for 1h; Irradiation;99%
With sodium bromate; sodium hydrogen sulfate In acetonitrile for 20h; Heating;95%
1-(4-(tert-butyl)phenyl)ethane-1,2-diol
1044695-85-3

1-(4-(tert-butyl)phenyl)ethane-1,2-diol

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With oxygen; sodium methylate; silver trifluoromethanesulfonate In tetrahydrofuran; methanol at 37℃; under 760.051 Torr; Sealed tube;99%
With 2-chloroanthracene-9,10-dione; oxygen In ethyl acetate for 20h; Irradiation;80%
methyl 4-tert-butylbenzoate
26537-19-9

methyl 4-tert-butylbenzoate

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With iodine; aluminium In acetonitrile at 80℃; for 18h;98%
N,N'-bis-(4-tert-butyl-benzylidene)-hydrazine
389121-33-9

N,N'-bis-(4-tert-butyl-benzylidene)-hydrazine

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 75h; Heating;97%
4-tert-Butylphenylacetylene
772-38-3

4-tert-Butylphenylacetylene

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
Stage #1: 4-tert-Butylphenylacetylene With tert.-butylhydroperoxide; iron(III) chloride hexahydrate; sodium hydroxide In water at 80℃; for 10h;
Stage #2: With hydrogenchloride In water at 20℃;		96%
With oxone; sodium hydrogencarbonate In water; acetonitrile at 20℃; for 7h;94%
With Oxone; trifluoroacetic acid In 1,4-dioxane for 10h; Reflux; Green chemistry;87%
With carbon tetrabromide; water; oxygen In ethyl acetate for 10h; Irradiation;71%
With hydroxylamine hydrochloride; iodine In dimethyl sulfoxide at 100℃; for 8h;61%
4-(tert-butyl)-N-methoxybenzamide
57139-24-9

4-(tert-butyl)-N-methoxybenzamide

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With tert.-butylnitrite; water at 29℃; for 0.583333h;96%
carbon dioxide
124-38-9

carbon dioxide

4-(tert-butyl)phenyl sulfurofluoridate

4-(tert-butyl)phenyl sulfurofluoridate

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With manganese; bis(triphenylphosphine)nickel(II) chloride; 2.9-dimethyl-1,10-phenanthroline In N,N-dimethyl-formamide at 20℃; under 760.051 Torr; for 20h; Kinetics; Catalytic behavior; Reagent/catalyst; Schlenk technique; Inert atmosphere; Glovebox;96%
4'-t-butylacetophenone
943-27-1

4'-t-butylacetophenone

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With sodium hypochlorite; lithium hypochlorite In ethanol at 77℃; for 2h;94%
With oxygen; manganese (II) acetate tetrahydrate In acetic acid at 100℃; under 760.051 Torr; for 15h;94%
With copper(l) iodide; hydroxylamine hydrochloride; oxygen In dimethyl sulfoxide at 100℃; for 8h;91%
N-hydroxyphthalimide
524-38-9

N-hydroxyphthalimide

acetylacetonatocobalt(II) Co(AA)2

acetylacetonatocobalt(II) Co(AA)2

4-tert-butyltoluene
98-51-1

4-tert-butyltoluene

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With acetic acid94%
...Expand
N′-(4-tert-butylbenzylidene)-4-methylbenzenesulfonohydrazide
65609-73-6

N′-(4-tert-butylbenzylidene)-4-methylbenzenesulfonohydrazide

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 16h; Heating;93%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

4-tert-butylphenylboronic acid
123324-71-0

4-tert-butylphenylboronic acid

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate In dimethyl sulfoxide at 100℃; for 24h; Inert atmosphere;93%
4-tert-butyl benzene carbaldehyde oxime
180261-48-7

4-tert-butyl benzene carbaldehyde oxime

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With poly(diselanediyl-1,2-phenylene); dihydrogen peroxide In tetrahydrofuran for 40h; Heating;92%
4-tert-butyl-benzoic acid 3-methyl-but-2-enyl ester

4-tert-butyl-benzoic acid 3-methyl-but-2-enyl ester

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 60℃;92%
(4-tert-butyl-phenyl)-oxo-acetaldehyde
7062-64-8

(4-tert-butyl-phenyl)-oxo-acetaldehyde

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With iodine; dimethyl sulfoxide at 180℃; for 0.0833333h; Inert atmosphere; Microwave irradiation;92%
With tert.-butylhydroperoxide for 7h;83%
4-tert-butyltoluene
98-51-1

4-tert-butyltoluene

A

4-tert-Butylbenzaldehyde
939-97-9

4-tert-Butylbenzaldehyde

B

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With N-hydroxyphthalimide; oxygen; cobalt(II) acetate In acetic acid at 25℃; under 760 Torr; for 20h;A 2%
B 91%
With N-hydroxyphthalimide; oxygen; cobalt(II) acetate In acetonitrile at 25℃; under 760 Torr; for 20h;A 4%
B 77%
With oxygen; acetic acid; N-hydroxyphthalimide at 100℃; for 6h; Product distribution / selectivity;A 3.8%
B 66.5%
allyl 4-(tert-butyl)benzoate
73489-59-5

allyl 4-(tert-butyl)benzoate

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With aminomethyl resin-supported N-propylbarbituric acid; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 20℃; for 1h;90%
2-(4-(tert-butyl)phenyl)-5,5-dimethyl-1,3,2-dioxaborinane
905966-37-2

2-(4-(tert-butyl)phenyl)-5,5-dimethyl-1,3,2-dioxaborinane

carbon dioxide
124-38-9

carbon dioxide

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With 1,3-bis-(diphenylphosphino)propane; cesium fluoride; [Rh(OH)(cod)]2 In 1,4-dioxane at 60℃;89%
With potassium tert-butylate; copper(l) chloride; 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride In tetrahydrofuran at 70℃; under 760.051 Torr; for 24h;88%
Stage #1: 2-(4-(tert-butyl)phenyl)-5,5-dimethyl-1,3,2-dioxaborinane; carbon dioxide With potassium tert-butylate; silver(I) acetate; triphenylphosphine In 1,4-dioxane at 100℃; under 15201 Torr; for 8h; Inert atmosphere; Autoclave;
Stage #2: With hydrogenchloride In tetrahydrofuran; water Inert atmosphere;		86%
With (1,3-bis(2,6-diisopropyl-4-(morpholinomethyl)phenyl)imidazolidin-2-ylidene)copper(I) bromide; potassium tert-butylate In tetrahydrofuran under 760.051 Torr; for 24h; Inert atmosphere; Schlenk technique; Reflux; Green chemistry;84%
carbon dioxide
124-38-9

carbon dioxide

4-tert-butylbenzene sulfinic acid sodium salt

4-tert-butylbenzene sulfinic acid sodium salt

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With copper(l) iodide; 1,10-Phenanthroline; potassium tert-butylate In dimethyl sulfoxide at 140℃; under 750.075 Torr; for 3h; Schlenk technique; Sealed tube;89%
4-tert-Butylstyrene
1746-23-2

4-tert-Butylstyrene

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With iodine; oxygen; silica gel In di-isopropyl ether at 20℃; for 48h; Irradiation;87%
With Oxone; 2-iodo-3,4,5,6-tetramethylbenzoic acid In water; acetonitrile for 14h;86%
With Oxone; mesoporous silicate MCM-48 - osmium In N,N-dimethyl-formamide at 25℃; for 2h;78%
1-(bromomethyl)-4-(1,1-dimethylethyl)benzene
18880-00-7

1-(bromomethyl)-4-(1,1-dimethylethyl)benzene

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With silica FSM-16 In acetone at 20℃; for 30h; Oxidation; UV-irradiation;86%
With sodium periodate; sulfuric acid In water at 95℃; for 12h;73%
With nitric acid
Multi-step reaction with 2 steps
1: silver(I) nitrite / diethyl ether / 5 h / 0 °C / Reflux
2: tetra-(n-butyl)ammonium iodide; zinc diacetate; water / 24 h / 80 °C
View Scheme
carbon dioxide
124-38-9

carbon dioxide

tert-butylbenzene-4-sulphonic acid sodium salt
128309-26-2

tert-butylbenzene-4-sulphonic acid sodium salt

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
Stage #1: carbon dioxide; tert-butylbenzene-4-sulphonic acid sodium salt With copper(l) iodide; potassium tert-butylate; o-phenanthroline In dimethyl sulfoxide at 140℃; under 760.051 Torr; for 12h; Schlenk technique;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide Schlenk technique;		86%
carbon dioxide
124-38-9

carbon dioxide

dimethyl (p-tert-butylphenyl)sulfonium trifluoromethanesulfonate

dimethyl (p-tert-butylphenyl)sulfonium trifluoromethanesulfonate

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With 2.9-dimethyl-1,10-phenanthroline; neocuproine; zinc In dimethyl sulfoxide at 20℃; under 760.051 Torr; for 16h;86%
carbon dioxide
124-38-9

carbon dioxide

1-tert-butyl-4-iodobenzene
35779-04-5

1-tert-butyl-4-iodobenzene

A

tert-butylbenzene
253185-03-4, 253185-04-5

tert-butylbenzene

B

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With tetraethylammonium tosylate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide Pt anode/Pb cathode; electrolysis with 2.5 mA/cm2;A 5%
B 85%
With tetraethylammonium tosylate; triphenylphosphine; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide Product distribution; in electrolysis cell (Pt/Pb, 2.5 mA/cm2); other cathode (Pt); other catalyst (Pt(0));A 5%
B 85%
...Expand
1-tert-butyl-4-iodobenzene
35779-04-5

1-tert-butyl-4-iodobenzene

H2O*CHLiO2

H2O*CHLiO2

4-(1,1-dimethylethyl)benzoic acid
98-73-7

4-(1,1-dimethylethyl)benzoic acid

Conditions
ConditionsYield
With formic acid; 1,3-bis-(diphenylphosphino)propane; nickel(II) acetate tetrahydrate; acetic anhydride In tetrahydrofuran at 100℃; for 24h; Schlenk technique; Inert atmosphere; Sealed tube;85%

4-tert-Butylbenzoic acid Chemical Properties


IUPAC Name: 4-tert-Butylbenzoic acid
Molecular Formula: C11H14O2
Molecular Weight: 178.23 g/mol
SMILES: O=C(O)c1ccc(cc1)C(C)(C)C Copy 
InChI: InChI=1/C11H14O2/c1-11(2,3)9-6-4-8(5-7-9)10(12)13/h4-7H,1-3H3,(H,12,13)
EINECS: 202-696-3
Classification Code: Reproductive Effect
Product Categories: Intermediates; Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts; Organics; OPLAS; C11 to C12; Carbonyl Compounds; Carboxylic Acids
Index of Refraction: 1.523 
Molar Refractivity: 51.57 cm3 
Molar Volume: 168.6 cm3
Surface Tension: 37.5 dyne/cm 
Density: 1.056 g/cm3 
Flash Point: 134.9 °C 
Enthalpy of Vaporization: 55.16 kJ/mol 
Boiling Point: 283.3 °C at 760 mmHg 
Water Solubility: 0.07 g/L (20 °C)
Melting Point: 162-165 °C(lit.)
Vapour Pressure of 4-tert-Butylbenzoic acid (CAS NO.98-73-7): 0.0015 mmHg at 25 °C

4-tert-Butylbenzoic acid Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 242mg/kg (242mg/kg) BRAIN AND COVERINGS: OTHER DEGENERATIVE CHANGES

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BLOOD: HEMORRHAGE		 BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.
mouse LD50 oral 568mg/kg (568mg/kg) PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE

BEHAVIORAL: TREMOR

BLOOD: HEMORRHAGE		 BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.
rabbit LD50 skin > 900mg/kg (900mg/kg)   BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.
rat LC50 inhalation > 1900mg/m3/4H (1900mg/m3)   United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. Vol. 8EHQ-0382-0440S,
rat LD50 intravenous > 200mg/kg (200mg/kg)   BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.
rat LD50 oral 473mg/kg (473mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA		 BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.
rat LD50 skin 300mg/kg (300mg/kg)   BG Chemie: Toxicological Evaluations, Five Potential Health Hazards of Existing Chemicals. Vol. 5, Pg. 29, 1993.

4-tert-Butylbenzoic acid Consensus Reports

Reported in EPA TSCA Inventory.

4-tert-Butylbenzoic acid Safety Profile

Moderately toxic by ingestion. Experimental reproductive effects. An irritant. Combustible when exposed to heat or flame. Incompatible with oxidizing materials. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes:HarmfulXn,DangerousN,ToxicT
Risk Statements: 20/22-62-51/53-48/20/21/22-24 
R20/22:Harmful by inhalation and if swallowed. 
R62:Risk of impaired fertility. 
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R48:Danger of serious damage to health by prolonged exposure. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R24:Toxic in contact with skin.
Safety Statements: 22-24/25-61-45-36/37/39-28A 
S22:Do not breathe dust. 
S24/25:Avoid contact with skin and eyes. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S28:After contact with skin, wash immediately with plenty of soap-suds.
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
RTECS: DG4708000
HazardClass: 6.1
PackingGroup of 4-tert-Butylbenzoic acid (CAS NO.98-73-7): III

4-tert-Butylbenzoic acid Specification

  4-tert-Butylbenzoic acid (CAS NO.98-73-7), its Synonyms are p-tert-Butylbenzoic acid ; Benzoic acid, 4-(1,1-dimethylethyl)- ; Benzoic acid, 4-tert-butyl- ; Benzoic acid, p-tert-butyl- ; Kyselina p-terc.butylbenzoova . It is white to slightly yellow flakes.

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