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| CAS No.: | 1821-12-1 |
|---|---|
| Name: | 4-Phenylbutyric acid |
| Article Data: | 193 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C10H12O2 |
| Molecular Weight: | 164.204 |
| Synonyms: | Butyricacid, 4-phenyl- (8CI);Butyric acid, g-phenyl- (3CI);4-Phenyl-n-butyric acid;Benzenebutanoic acid;Benzenebutyric acid;NSC 295;g-Phenylbutanoic acid;g-Phenylbutyric acid;w-Phenylbutanoic acid; |
| EINECS: | 217-341-8 |
| Density: | 1.095 g/cm3 |
| Melting Point: | 49-51 °C(lit.) |
| Boiling Point: | 290.7 °C at 760 mmHg |
| Flash Point: | 187.9 °C |
| Solubility: | water: 5.3 g/L at 40 °C |
| Appearance: | white to slightly yellowish crystalline powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 22-24/25-36-26 |
| Transport Information: | N/A |
| PSA: | 37.30000 |
| LogP: | 2.09390 |
- 18212-20-91,2,3-Thiadiazole-5-carboxylicacid, 4-methyl-, ethyl ester
- 18212-21-01,2,3-Thiadiazole-5-carboxylicacid, 4-methyl-
- 18212-22-11,2,3-Thiadiazole,4-(4-methoxyphenyl)-
- 1821-27-8Benzenamine,4-nitro-N-(4-nitrophenyl)-
- 182132-59-8Quinovic acid 3-O-(3',4'-O-isopropylidene)-beta-D-fucopyranoside
- 182133-25-1Benzo[b]thiophene-6-ol,2-(4-methoxyphenyl)-3-[4-[2-(1-piperidinyl)ethoxy]phenoxy]-
- 182133-35-36-Methoxybenzo[b]thiophene-2-boronic acid
- 1821-36-9Benzenamine,N-cyclohexyl-
- 18213-75-71H-Pyrazole-4-carboxamide,5-amino-1-methyl-
- 18213-77-91H-Pyrazole-4-carboxylicacid, 1-methyl-5-nitro-
- 852919-31-4
(Z)-1-chloro-4-phenylbut-1-en-1-yl acetate
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With lithium hydroxide In tetrahydrofuran; water at 20℃; for 3h; | 100% |
- 2243-53-0, 59744-46-6, 1914-58-5
trans-styrylacetic acid
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With palladium 10% on activated carbon; hydrogen at 20℃; for 18h; Sealed tube; | 99% |
| With formaldehyd; palladium dichloride In sodium hydroxide at 65℃; Hydrogenation; | 98% |
| With palladium on activated charcoal; hydrogen In methanol at 20℃; | 78% |
| With hydroxylamine; Na3[Fe(CN)5NH3]*3H2O In 1,4-dioxane-d8; water-d2 at 80℃; pH=8; |
| Conditions | Yield |
|---|---|
| With palladium on activated carbon; hydrogen In methanol at 20℃; under 760.051 Torr; for 1h; Schlenk technique; | 99% |
| With palladium 10% on activated carbon; W(OTf)6; hydrogen at 50℃; under 760.051 Torr; for 12h; | 95% |
| With palladium on activated carbon; W(OTf)6; hydrogen In acetic acid at 50℃; under 760.051 Torr; for 12h; | 95% |
| With potassium fluoride; palladium diacetate; chlorobenzene In tetrahydrofuran; water at 20℃; for 1h; Inert atmosphere; chemoselective reaction; | 68% |
- 1400695-43-3
6-phenylhexane-1,2,3-triol
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With 1‐methyl‐2‐azaadamantane‐N‐oxyl; [bis(acetoxy)iodo]benzene; tetrabutylammomium bromide In water; acetonitrile at 0 - 20℃; for 2h; Inert atmosphere; | 99% |
| With 1‐methyl‐2‐azaadamantane‐N‐oxyl; sodium hypochlorite; sodium chlorite In aq. phosphate buffer; acetonitrile at 20℃; for 3h; pH=6.8; Inert atmosphere; | 96% |
| Conditions | Yield |
|---|---|
| With propan-1-ol; bis(1,5-cyclooctadiene)nickel (0); potassium tert-butylate; 4,4-dibenzyl-2-(pyridin-2-yl)-4,5-dihydrooxazole at 60℃; Sealed tube; regioselective reaction; | 99% |
- 144499-11-6
Trifluoro-acetic acid 1-cyano-4-phenyl-1-(pyridin-2-ylsulfanyl)-butyl ester
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With potassium carbonate In water for 2h; | 98% |
| With potassium carbonate In acetone at 25℃; for 12h; Yield given; |
- 313058-67-2
2-(3-phenylpropyl)-1,3-dioxolane
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With Oxone; water In tetrahydrofuran at 0 - 20℃; for 12h; Hydrolysis; oxidation; | 98% |
- 80554-69-4
1-(6H-Phenanthridin-5-yl)-4-phenyl-butan-1-one
A
- 229-87-8
phenanthridine
B
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With ammonium cerium(IV) nitrate In water; acetonitrile for 0.25h; Product distribution; deprotection; | A n/a B 97% |
| Conditions | Yield |
|---|---|
| enzyme from Synechocystis sp. PCC 6803 In phosphate buffer at 30℃; for 12h; pH=7.2; | 97% |
| With potassium phosphate buffer at 30℃; for 24h; Rhodococcus sp. AJ270 cells; | 89.2% |
| With dipotassium hydrogenphosphate; phosphoric acid; water; nitrile aminohydrolase E.C. 3.5.5.1 at 25℃; pH=7.50; Thermodynamic data; |
- 1449300-08-6
4-phenyl-N-(quinolin-8-yl)butanamide
- 1821-12-1
4-Phenylbutyric acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide In ethanol at 130℃; for 16h; | 97% |
| Stage #1: 4-phenyl-N-(quinolin-8-yl)butanamide With ozone In dichloromethane at -78℃; Stage #2: With dimethylsulfide Stage #3: With dihydrogen peroxide; lithium hydroxide In tetrahydrofuran; water | 79% |
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Chemistry
Molecule structure of 4-Phenylbutyric acid (CAS NO.1821-12-1):
IUPAC Name: 4-Phenylbutanoic acid
Molecular Weight: 164.20108 g/mol
Molecular Formula: C10H12O2
Melting Point: 49-51 °C(lit.)
Index of Refraction: 1.534
Molar Refractivity: 46.63 cm3
Molar Volume: 149.8 cm3
Surface Tension: 43.6 dyne/cm
Density: 1.095 g/cm3
Flash Point: 187.9 °C
Enthalpy of Vaporization: 55.99 kJ/mol
Boiling Point: 290.7 °C at 760 mmHg
Vapour Pressure: 0.000934 mmHg at 25 °C
Water Solubility: 5.3 g/L at 40 °C
XLogP3: 2.4
H-Bond Donor: 1
H-Bond Acceptor: 2
Rotatable Bond Count: 4
Exact Mass: 164.08373
MonoIsotopic Mass: 164.08373
Topological Polar Surface Area: 37.3
Heavy Atom Count: 12
Canonical SMILES: C1=CC=C(C=C1)CCCC(=O)O
InChI: InChI=1S/C10H12O2/c11-10(12)8-4-7-9-5-2-1-3-6-9/h1-3,5-6H,4,7-8H2,(H,11,12)
InChIKey: OBKXEAXTFZPCHS-UHFFFAOYSA-N
EINECS: 217-341-8
Product Categories: Pharmaceutical Raw Materials;Organic acids;C10;Carbonyl Compounds;Carboxylic Acids
Uses
4-Phenylbutyric acid (CAS NO.1821-12-1) is used for the synthesis of dyes. It is also used as the intermediate of drug synthesis.
Safety Profile
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25-36-26
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
S36:Wear suitable protective clothing.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
Hazard Note: Irritant
HS Code: 29163900
Specification
4-Phenylbutyric acid (CAS NO.1821-12-1) is also named as 1-Phenylbutyric acid ; 4-Phenylbutyric acid ; AI3-12065 ; Benzenebutyric acid ; NSC 295 ; gamma-Phenylbutyric acid ; omega-Phenylbutanoic acid . 4-Phenylbutyric acid (CAS NO.1821-12-1) is white to slightly yellowish crystalline powder.