Products Categories
| CAS No.: | 162607-20-7 |
|---|---|
| Name: | 5-Methylthiophene-2-boronic acid |
| Article Data: | 1 |
| Molecular Structure: | |
|
|
|
| Formula: | C5H7BO2S |
| Molecular Weight: | 141.986 |
| Synonyms: | 2-Methylthiophene-5-boronic acid;5-Methyl-2-thiopheneboronic acid;2-Methylthienyl-5-boronic acid;(5-Methylthiophen-2-yl)dihydroxyborane;(5-Methylthien-2-yl)boronic acid;(5-Methyl-2-thienyl)boronic acid;Boronicacid, (5-methyl-2-thienyl)- (9CI); |
| EINECS: | -0 |
| Density: | 1.25 g/cm3 |
| Melting Point: | 161.5-166.5 °C(lit.) |
| Boiling Point: | 302.9 °C at 760 mmHg |
| Flash Point: | 137 °C |
| Appearance: | White to light yellow powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 36/37/39-26-7/9 |
| PSA: | 68.70000 |
| LogP: | -0.26370 |
- 483366-12-7(2S,4R)-1-Boc-2-cyano-4-hydroxypyrrolidine
- 173606-50-3BOC-10-AMINODECANOIC ACID
- 361456-36-2METHYL (R)-(+)-ISOCYANATO-3-PHENYLPROPI&
- 5156-58-1N-(1-Benzyl-4-pipperidinyl)-N-phenylpropanamide HCl
- 81281-59-67-Benzylideneaminotheophylline
- 50288-62-5threo-Phenyl-2-piperidyl acetamide
- 82993-81-5D-threo-Ritalinic acid hydrochloride
- 47087-37-6Z-D-Glu-OMe
- 73441-42-6METHYL-5-CHLORO-2,2-DIMETHYLVALERATE
- 211914-50-0N-[[2-[[[4-(Aminoiminomethyl)phenyl]amino]methyl]-1-methyl-1H-benzimidazol-5-yl]carbonyl]-N-(2-pyridinyl)-beta-alanine ethyl ester hydrochloride
What can I do for you?
Get Best Price
Specification
The Boronic acid,B-(5-methyl-2-thienyl)- is an organic compound with the formula C5H7BO2S. The IUPAC name of this chemical is (5-Methylthiophen-2-yl)boronic acid. With the CAS registry number 162607-20-7, it is also named as 5-Methyl-2-thienylboric acid. The product's categories are Azoles; Blocks; Thiophene and Benzothiophene; Boronic acids; Boronic acid; Organoborons; Thiophene; B (Classes of Boron compounds); Boronic acids; Boronic acids and Derivatives; Heteroaryl. Besides, it is white to light yellow powder, which should be stored at 0 - 6°C.
Physical properties about Boronic acid,B-(5-methyl-2-thienyl)- are: (1)ACD/LogP: 1.73; (2)ACD/LogD (pH 5.5): 1.73; (3)ACD/LogD (pH 7.4): 1.71; (4)ACD/BCF (pH 5.5): 12.09; (5)ACD/BCF (pH 7.4): 11.56; (6)ACD/KOC (pH 5.5): 207.22; (7)ACD/KOC (pH 7.4): 198.07; (8)#H bond acceptors: 2; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 3; (11)Polar Surface Area: 46.7 Å2; (12)Index of Refraction: 1.55; (13)Molar Refractivity: 36.05 cm3; (14)Molar Volume: 113 cm3; (15)Polarizability: 14.29×10-24 cm3; (16)Surface Tension: 46.2 dyne/cm; (17)Density: 1.25 g/cm3; (18)Flash Point: 137 °C; (19)Enthalpy of Vaporization: 57.35 kJ/mol; (20)Boiling Point: 302.9 °C at 760 mmHg; (21)Vapour Pressure: 0.000425 mmHg at 25 °C.
Uses of Boronic acid,B-(5-methyl-2-thienyl)-: it can be used to produce 2,2-Dimethoxy-5-(5-methyl-thiophen-2-yl)-indan-1,3-dione. This reaction is a kind of Suzuki coupling. It will need reagent Na2CO3, catalyst Pd(PPh3)4 and solvents Benzene; Ethanol. And this reaction will need heating. The yield is about 47%.
.png)
When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes, respiratory system and skin. Keep container tightly closed and in a well-ventilated place. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C5H7BO2S/c1-4-2-3-5(9-4)6(7)8/h2-3,7-8H,1H3
(2)InChIKey: NRIYPIBRPGAWDD-UHFFFAOYAT
(3)Std. InChI: InChI=1S/C5H7BO2S/c1-4-2-3-5(9-4)6(7)8/h2-3,7-8H,1H3
(4)Std. InChIKey: NRIYPIBRPGAWDD-UHFFFAOYSA-N