3-溴噻吩-2-甲酸
3-Bromo-2-thiophenecarboxylic acid
CAS: 7311-64-0
Molecular Formula: C5H3BrO2S
3-溴噻吩-2-甲酸 - Names and Identifiers
| Name | 3-Bromo-2-thiophenecarboxylic acid |
| Synonyms | THCOOH-Br RARECHEM AL BO 2385 3-Bromothiophene-2-carboxyL 3-bromothiophene-2-carboxylate 3-BROMOTHIOPHENE-2-CARBOXYLIC ACID 3-Bromo-2-thiophenecarboxylic acid 3-BROMO-2-THIOPHENECARBOXYLIC ACID 3-Bromothiophene-2-carboxylic acid 2-Thiophenecarboxylicacid, 3-bromo- |
| CAS | 7311-64-0 |
| EINECS | 629-183-0 |
| InChI | InChI=1/C5H3BrO2S/c6-3-1-2-9-4(3)5(7)8/h1-2H,(H,7,8)/p-1 |
3-溴噻吩-2-甲酸 - Physico-chemical Properties
| Molecular Formula | C5H3BrO2S |
| Molar Mass | 207.05 |
| Density | 1.923±0.06 g/cm3(Predicted) |
| Melting Point | 197-201°C(lit.) |
| Boling Point | 318.0±27.0 °C(Predicted) |
| Flash Point | 146.1°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 0.000156mmHg at 25°C |
| Appearance | Yellow solid |
| Color | White to Almost white |
| BRN | 121585 |
| pKa | 3.09±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| MDL | MFCD00052291 |
3-溴噻吩-2-甲酸 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R43 - May cause sensitization by skin contact R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. 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. |
| WGK Germany | 3 |
| HS Code | 29349990 |
| Hazard Class | IRRITANT |
3-溴噻吩-2-甲酸 - Introduction
Acid is an organic compound with the chemical formula C6H4BrO2S.
Nature:
-Appearance: acid is a white to yellowish solid.
-Solubility: Soluble in chloroform, acetone and chlorinated methane.
-Melting point: about 116-118 degrees Celsius.
Use:
-must acid is often used as an important intermediate in organic synthesis.
-It can be used to construct organic compounds containing thiophene ring structures.
Preparation Method: There are many synthetic methods of
-anacid. One of the commonly used methods is to use bromoacetic acid as raw material, react with thiophene under alkaline conditions to generate 3-bromothiophene, and then carry out carboxylic reaction under acidic conditions.
Safety Information:
-the acid may be irritating to the eyes, skin and respiratory system.
-During use, care should be taken to avoid inhalation of dust or contact with skin and eyes.
-Wear appropriate protective equipment such as lab gloves, goggles and face shields before operation.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention. Appropriate first aid measures shall be provided if necessary.
Nature:
-Appearance: acid is a white to yellowish solid.
-Solubility: Soluble in chloroform, acetone and chlorinated methane.
-Melting point: about 116-118 degrees Celsius.
Use:
-must acid is often used as an important intermediate in organic synthesis.
-It can be used to construct organic compounds containing thiophene ring structures.
Preparation Method: There are many synthetic methods of
-anacid. One of the commonly used methods is to use bromoacetic acid as raw material, react with thiophene under alkaline conditions to generate 3-bromothiophene, and then carry out carboxylic reaction under acidic conditions.
Safety Information:
-the acid may be irritating to the eyes, skin and respiratory system.
-During use, care should be taken to avoid inhalation of dust or contact with skin and eyes.
-Wear appropriate protective equipment such as lab gloves, goggles and face shields before operation.
-In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention. Appropriate first aid measures shall be provided if necessary.
Last Update：2024-04-10 22:29:15
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View History
3-溴噻吩-2-甲酸
Formamidine Hydrobromide (Low water content)
Polygalacic acid or (2b,3b,4a,16a)-2,3,16,23-Tetrahydroxyolean-12-en-28-oic acid
BLASTICIDIN S, HYDROCHLORIDE, STREPTOMYCES GRISEOCHROMOGENES
5-溴-4-氯-3-吲哚-β-D-吡喃葡萄糖糖苷
2-PHENOXYPROPIONYL CHLORIDE
TOSYLOXYMETHYLPHOSPHONIC ACID MONOETHYL ESTER
彩色电影正片片基
4-[(4-CHLORO-2-PYRIMIDINYL)AMINO]BENZONITRILE 4-[(4-氯-2-嘧啶基)氨基]苯甲腈
Pasireotide Impurity 8
Formamidine Hydrobromide (Low water content)
Polygalacic acid or (2b,3b,4a,16a)-2,3,16,23-Tetrahydroxyolean-12-en-28-oic acid
BLASTICIDIN S, HYDROCHLORIDE, STREPTOMYCES GRISEOCHROMOGENES
5-溴-4-氯-3-吲哚-β-D-吡喃葡萄糖糖苷
2-PHENOXYPROPIONYL CHLORIDE
TOSYLOXYMETHYLPHOSPHONIC ACID MONOETHYL ESTER
彩色电影正片片基
4-[(4-CHLORO-2-PYRIMIDINYL)AMINO]BENZONITRILE 4-[(4-氯-2-嘧啶基)氨基]苯甲腈
Pasireotide Impurity 8