3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER
- CAS NO.：1822-66-8
- Empirical Formula: C10H12O6S
- Molecular Weight: 260.26
- MDL number: MFCD03094035
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:46
What is 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER?
Chemical properties
Pale yellow to white solid
The Uses of 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER
3,4-Dihydroxythiophene-2,5-dicarboxylic Acid Diethyl Ester is an intermediate used to prepare alkylenedioxythiophene monomers to obtain electrochromic conducting polymers.
Properties of 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER
| Melting point: | 132-135 °C(lit.) |
| Boiling point: | 153 °C |
| Density | 1.017 g/mL at 25 °C |
| refractive index | n |
| Flash point: | 150 °F |
| storage temp. | 2-8°C(protect from light) |
| pka | 8.40±0.20(Predicted) |
Safety information for 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin H330:Acute toxicity,inhalation H334:Sensitisation, respiratory H360:Reproductive toxicity H402:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P271:Use only outdoors or in a well-ventilated area. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P308+P313:IF exposed or concerned: Get medical advice/attention. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. |
Computed Descriptors for 3,4-DIHYDROXY-THIOPHENE-2,5-DICARBOXYLIC ACID DIETHYL ESTER
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4-Iodo-3,5-dimethylbenzonitrile 2-fluoro-4-iodoaniline 2-(3-Methyl-1,2,4-oxadiazol-5-yl)acetic acid (as potassium salt) 6,6'-methylenebis(9-methyl-3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one) 3-Bromo-2-fluorobenzoic acid Quinuclidine-4-carbonitrile N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (R)-1-Benzyl-3-pyrrolidinecarbonitrile Bupropian related compound F Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 1,4-bis(methylsulfonyl)butane 4-Cyano-N-Methacryloyl-3-Trifluoromethyl Aniline 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzeneRelated products of tetrahydrofuran
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