CAS Number4282-31-9
Synonyms5-carboxythiophene-2-carboxylic acid; thiophene-2,5-dicarboxylic acid; 2,5-Thiophenedicarbo; 2,5-Thiophenedicarboxylic acid; 2,5-THIOPHENEDICARBOXYLIC; 2,5-Thiophene dicarboxylic acid; RARECHEM AL BE 0623; Thiophene-2,5-Dicarboxyl Acid; Thiophene-,'-dicarboxylic acid; 2,5-DICARBOXYTHIOPHENE; EINECS 224-284-2; MFCD00016896
Molecular FormulaC6H4O4S
Molecular Weight172.16
Purity99%
Density1.7±0.1 g/cm3
Boiling Point444.6±30.0 °C at 760 mmHg
Melting Point>300 °C (lit.)
AppearanceWhite to light yellow crystal powder
EINECS224-284-2
Symbol
Signal WordWarning
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 4282-31-9 |
| Catalog No. | 2A-9013226 |
| Chinese Name | 噻吩-2,5-二羧酸 |
| Synonyms | 5-carboxythiophene-2-carboxylic acid; thiophene-2,5-dicarboxylic acid; 2,5-Thiophenedicarbo; 2,5-Thiophenedicarboxylic acid; 2,5-THIOPHENEDICARBOXYLIC; 2,5-Thiophene dicarboxylic acid; RARECHEM AL BE 0623; Thiophene-2,5-Dicarboxyl Acid; Thiophene-,'-dicarboxylic acid; 2,5-DICARBOXYTHIOPHENE; EINECS 224-284-2; MFCD00016896 |
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.16 |
| Purity | 99 |
| Density | 1.7±0.1 g/cm3 |
| Boiling Point | 444.6±30.0 °C at 760 mmHg |
| Melting Point | >300 °C (lit.) |
| Appearance | White to light yellow crystal powder |
| Storage Condition | Keep away from light, ventilated and dry, sealed |
| EINECS | 224-284-2 |
| HTC | 2934999090 |
| PubChem ID | 24865298 |
| MDL Number | MFCD00016896 |
| SMILES | OC(=O)c1ccc(s1)C(O)=O |
| InChI | 1S/C6H4O4S/c7-5(8)3-1-2-4(11-3)6(9)10/h1-2H,(H,7,8)(H,9,10) |
| InChI Key | YCGAZNXXGKTASZ-UHFFFAOYSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352100 |
| Hazard Symbols | Transport |
| MSDS | msds/13226_1_4282_31_9.pdf |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Shipping Name: UN |
| MSDS Transport Info | Module 14. Shipping information 14.1 UN dangerous goods number European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.2 United Nations shipping name European Land Transport Dangerous Regulations: Non-dangerous goods IMDG Code: Non-dangerous goods International air transport dangerous goods regulations: non-dangerous goods 14.3 Transport hazard categories European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.4 Package group European Land Transport Dangerous Regulations: -International Maritime Dangerous Regulations: -International Air Transport Dangerous Regulations: - 14.5 Environmental hazards European Land Transport Danger Regulations: No International Maritime Danger Regulations International Air Transport Danger Regulations: No Marine pollutants (yes/no): No 14.6 Special reminder to users No data available |
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