Name | p-Dithiane-2,5-diol |
Synonyms | NSC 106280 p-Dithiane-2,5-diol 4-DITHIANE-2,5-DIOL 1,4-Dithiane-2,5-dio 1,4-Dithian-2,5-diol 1,4-DITHIANE-2,5-DIOL MERCATOACETALDEHYDE DIMER 2,5-Dihydroxy-1,4-dithiane 2,5-DIHYDROXY-1,4-DITHIANE |
CAS | 40018-26-6 |
EINECS | 254-751-6 |
InChI | InChI=1/C4H8O2S2/c5-3-1-7-4(6)2-8-3/h3-6H,1-2H2/t3-,4+ |
InChIKey | YUIOPHXTILULQC-UHFFFAOYSA-N |
Molecular Formula | C4H8O2S2 |
Molar Mass | 152.24 |
Density | 1.224 (estimate) |
Melting Point | 130 °C (dec.) (lit.) |
Boling Point | 244.73°C (rough estimate) |
Flash Point | 175.5°C |
JECFA Number | 550 |
Water Solubility | 3.9 g/L (20 ºC) |
Solubility | H2O: 0.39% at20°C |
Vapor Presure | 0Pa at 25℃ |
Appearance | White to yellowish crystals |
Color | White to yellow |
BRN | 104402 |
pKa | 12.04±0.40(Predicted) |
PH | 4.9 (3.9g/l, H2O) |
Storage Condition | 2-8°C |
Sensitive | Sensitive to light and humidity |
Refractive Index | 1.5200 (estimate) |
MDL | MFCD00006659 |
Physical and Chemical Properties | Melting point 130-145°C (dec.) water-soluble 3.9g/L (20°C) |
Use | Used as lamivudine and other pharmaceutical intermediates |
Risk Codes | R22 - Harmful if swallowed R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R36/37/38 - Irritating to eyes, respiratory system and skin. |
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. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S37/39 - Wear suitable gloves and eye/face protection S24 - Avoid contact with skin. S36 - Wear suitable protective clothing. |
UN IDs | UN2811 |
WGK Germany | 2 |
FLUKA BRAND F CODES | 1-8-10-13 |
HS Code | 29349990 |
Hazard Class | 6.1 |
Packing Group | III |
FEMA | 3826 | 2,5-DIHYDROXY-1,4-DITHIANE |
LogP | -0.276 at 22.8℃ and pH6.3 |
toxicity | GRAS(FEMA). |
usage limit | FEMA(mg/kg): baked products 0.02~7.5; Meat products 0.02~2.0; Soup 0.02~1.0; Flavor 620. |
use | food spices. used as lamivudine and other pharmaceutical intermediates |