Name | toluene-3,4-dithiol |
Synonyms | 3H-1,2-dithiole Toluol-3,4-dithiol toluene-3,4-dithiol 3,4-dimercaptotoluene 4-METHYL-1,2-BENZENEDITHIOL 4-Methylbenzene-1,2-dithiol 1,2-benzenedithiol, 4-methyl- 1,2-Benzenedithiol, 4-methyl- 1,2-DIMERCAPTO-4-METHYLBENZENE 4-METHYL-1,2-DIMERCAPTOBENZENE 1-METHYL-3,4-DIMERCAPTOBENZENE 4-methylbenzene-1,2-bis(thiolate) |
CAS | 496-74-2 |
EINECS | 207-828-3 |
InChI | InChI=1/C7H8S2/c1-5-2-3-6(8)7(9)4-5/h2-4,8-9H,1H3/p-2 |
Molecular Formula | C7H8S2 |
Molar Mass | 156.27 |
Density | 1.179g/mLat 25°C(lit.) |
Melting Point | 30-33°C(lit.) |
Boling Point | 135-137°C17mm Hg(lit.) |
Flash Point | >230°F |
Solubility | Soluble in benzene and aqueous alkali hydroxide solutions |
Vapor Presure | 0.015mmHg at 25°C |
Appearance | Crystalline Low Melting Solid |
Color | White to yellow |
Merck | 14,9531 |
BRN | 1635270 |
pKa | 6.29±0.48(Predicted) |
Storage Condition | -20°C |
Stability | Stable. Incompatible with strong oxidizing agents, strong bases. |
Sensitive | Air Sensitive |
Refractive Index | 1.6180 (estimate) |
Physical and Chemical Properties | Low melting point solid, melting point 32-33 °c. The liquid is a colorless oil. Boiling point 148-150 deg C (1.33kPa),70-72 deg C (53.3), easy oxidation in air. |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
UN IDs | 3071 |
WGK Germany | 3 |
RTECS | XT2275000 |
FLUKA BRAND F CODES | 13 |
TSCA | Yes |
HS Code | 29309090 |
Hazard Class | 6.1(b) |
Packing Group | III |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
use | organic synthesis intermediate. |
category | corroded articles |
toxicity classification | highly toxic |
acute toxicity | abdominal injection-mouse LD50: 50 mg/kg |
storage and transportation characteristics | warehouse ventilation and low temperature drying |
fire extinguishing agent | sand, foam, carbon dioxide |