| Product Identification | Back to Contents | 【Product Name】
2,2'-Thiodiethanol | 【Synonyms】
2-(2-Hydroxyethylsulfanyl)ethanol
beta-Thiodiglycol
bis(2-Hydroxyethyl) sulfide
bis(beta-Hydroxyethyl) sulfide
Thiodiethylene glycol
Thiodiglycol | 【CAS】
111-48-8 | 【Formula】
C4H10O2S | 【Molecular Weight】
122.19 | 【EINECS】
203-874-3 | 【RTECS】
KM2975000 | 【RTECS Class】
Primary Irritant | 【Merck】
12,9466 | 【Beilstein/Gmelin】
1236325 | 【Beilstein Reference】
4-01-00-02437 | 【EC Index Number】
603-081-00-6 | 【EC Class】
Irritant |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless to light yellow liquid with a stench. | 【Solubility in water】
Miscible | 【Melting Point】
-10 | 【Boiling Point】
282 | 【Vapor Pressure】
0.0004 (25 C) | 【Density】
1.1973 g/cm3 (0 C) | 【Partition Coefficient】
-.6 | 【Heat Of Vaporization】
66.7 kJ/mol | 【Usage】
Used as a solvent. A chemical weapons convention schedule 2 chemical used in the production of sulfur-based blister agents such as mustard gas. | 【Vapor Density】
4.24 | 【Refractive Index】
1.5171 (21 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water. | 【Inhalation】
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask. | 【Skin】
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse. | 【Eyes】
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. |
| Handling and Storage | Back to Contents | 【Storage】
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use only in a well ventilated area. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Keep container tightly closed. Avoid contact with heat, sparks and flame. |
| Hazards Identification | Back to Contents | 【Inhalation】
May cause respiratory tract irritation. | 【Skin】
May cause irritation and dermatitis. | 【Eyes】
Causes eye irritation. May cause chemical conjunctivitis and corneal damage. | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause kidney damage. |
| Exposure Controls/Personal Protection | Back to Contents | 【Personal Protection】
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. | 【Respirators】
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. | 【Exposure Effects】
May cause kidney damage. | 【Poison Class】
4 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
140 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Use water spray to keep fire-exposed containers cool. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Use water spray to cool fire-exposed containers. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Remove all sources of ignition. Use a spark-proof tool. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Oxidizing agents | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide. |
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