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CAS No.: | 4919-37-3 | ||||||||
---|---|---|---|---|---|---|---|---|---|
Name: | 4-Hydroxy-3,5-dimethylbenzoic acid | ||||||||
Article Data: | 21 | ||||||||
Molecular Structure: | |||||||||
Formula: | C9H10 O3 | ||||||||
Molecular Weight: | 166.177 | ||||||||
Synonyms: | 2,6-Dimethyl-4-carboxyphenol;3,5-Dimethyl-4-hydroxybenzoic acid; 4-Hydroxy-3,5-dimethylbenzoic acid; NSC68319 | ||||||||
Density: | 1.249g/cm3 | ||||||||
Melting Point: | 221-226 ºC | ||||||||
Boiling Point: | 331.3°Cat760mmHg | ||||||||
Flash Point: | 168.4°C | ||||||||
Appearance: | off-white to light pink or light beige crystalline | ||||||||
Hazard Symbols: | |||||||||
Risk Codes: | R36/37/38 | ||||||||
Safety: |
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PSA: | 57.53000 | ||||||||
LogP: | 1.70720 |
4-methoxy-3,5-dimethylbenzoic acid
3,5-dimethyl-4-hydroxybenzoic acid
Conditions | Yield |
---|---|
With pyridine hydrochloride at 200℃; for 0.5h; Microwave irradiation; Ionic liquid; | 96% |
With hydrogen bromide |
3,5-dimethyl-4-benzyloxy-benzoic acid
3,5-dimethyl-4-hydroxybenzoic acid
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; hydrogen bromide In dichloromethane for 24h; Heating; | 87.3% |
Conditions | Yield |
---|---|
at 40 - 60℃; Microwave irradiation; | 85% |
carbon monoxide
4-iodo-2,6-dimethylphenol
3,5-dimethyl-4-hydroxybenzoic acid
Conditions | Yield |
---|---|
With water; potassium carbonate at 100℃; for 24h; | 79% |
carbon dioxide
4-iodo-2,6-dimethylphenol
3,5-dimethyl-4-hydroxybenzoic acid
Conditions | Yield |
---|---|
Stage #1: 4-iodo-2,6-dimethylphenol With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.333333h; Stage #2: carbon dioxide In tetrahydrofuran; hexane at -78℃; for 0.5h; | 41% |
Conditions | Yield |
---|---|
Stage #1: 2.6-dimethylphenol With sodium hydride Stage #2: carbon dioxide Kolbe-Schmidt reaction; | 34% |
(i) NaOMe, (ii) /BRN= 1900390/; Multistep reaction; |
Conditions | Yield |
---|---|
With potassium carbonate beim Schmelzen; |
Conditions | Yield |
---|---|
With sodium hydroxide; silver(l) oxide |
Conditions | Yield |
---|---|
With potassium nitrite; sulfuric acid | |
With copper(II) sulfate Diazotization; |
Conditions | Yield |
---|---|
beim Schmelzen; |
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Molecular structure of 4-Hydroxy-3,5-dimethylbenzoic acid (CAS NO.4919-37-3) is:
Product Name: 4-Hydroxy-3,5-dimethylbenzoic acid
CAS Registry Number: 4919-37-3
IUPAC Name: 4-Hydroxy-3,5-dimethylbenzoic acid
Molecular Weight: 166.1739 [g/mol]
Molecular Formula: C9H10O3
XLogP3: 0.9
H-Bond Donor: 2
H-Bond Acceptor: 3
Melting Point: 221-226 °C
Index of Refraction: 1.587
Molar Refractivity: 44.71 cm3
Molar Volume: 132.9 cm3
Surface Tension: 53.5 dyne/cm
Density: 1.249 g/cm3
Flash Point: 168.4 °C
Enthalpy of Vaporization: 60.58 kJ/mol
Boiling Point: 331.3 °C at 760 mmHg
Vapour Pressure: 6.29E-05 mmHg at 25 °C
Product Categories: Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts
Canonical SMILES: CC1=CC(=CC(=C1O)C)C(=O)O
InChI: InChI=1S/C9H10O3/c1-5-3-7(9(11)12)4-6(2)8(5)10/h3-4,10H,1-2H3,(H,11,12)
InChIKey: OMNHTTWQSSUZHO-UHFFFAOYSA-N
Safty information about 4-Hydroxy-3,5-dimethylbenzoic acid (CAS NO.4919-37-3) is:
Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 37/39-26
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RTECS: DG8997500
4-Hydroxy-3,5-dimethylbenzoic acid , its cas register number is 4919-37-3. It also can be called Benzoic acid,4-hydroxy-3,5-dimethyl- .It is a off-white to light pink or light beige crystalline.