| Product Identification | Back to Contents | 【Product Name】
2,2-Bis(hydroxymethyl)-1,3-propanediol | 【Synonyms】
2,2-bis(Hydroxymethyl)-1,3-propanediol
2,2-Bis(hydroxymethyl)propane-1,3-diol
Methane tetramethylol
Monopentaerythritol
Tetrahydroxymethylolmethane
Tetramethylolmethane | 【CAS】
115-77-5 | 【Formula】
C5H12O4 | 【Molecular Weight】
136.15 | 【EINECS】
204-104-9 | 【RTECS】
RZ2490000 | 【RTECS Class】
Other | 【Merck】
12,7245 | 【Beilstein/Gmelin】
1679274 | 【Beilstein Reference】
4-01-00-02812 |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless to white crystalline, odorless powder. | 【Solubility in water】
60 g/L | 【Melting Point】
47 - 49 | 【Boiling Point】
380 | 【Vapor Pressure】
2E-7 (25 C) | 【Density】
1.511 g/cm3 | 【pKa/pKb】
13.55 (pKa) | 【Partition Coefficient】
-1.69 | 【Heat Of Vaporization】
72.7 kJ/mol | 【Heat Of Combustion】
-2769 kJ/mol | 【Usage】
Chemical intermediate for alkylated resins, synth lubricants, pentaerythritol tetranitrate & resin & tall oil esters. | 【Refractive Index】
1.548 (20 C) |
| First Aid Measures | Back to Contents | 【Ingestion】
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid. | 【Inhalation】
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear. | 【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. | 【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】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Ingestion】
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. | 【Inhalation】
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. |
| 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 clothing 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 limit(s)】
NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp) OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp) | 【Poison Class】
5 |
| Fire Fighting Measures | Back to Contents | 【Flash Point】
200 | 【Autoignition】
490 | 【Fire Fighting】
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. This material in sufficient quantity and reduced particle size is capable of creating a dust explosion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam. | 【Upper exp. limit】
12.5 | 【Lower exp. limit】
1.6 | 【Fire Potential】
Moderate fire hazard, from heat or flame; or oxidizers. |
| Stability and Reactivity | Back to Contents | 【Disposal Code】
3 | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong oxidizing agents - strong acids - acid chlorides - acid anhydrides - thiophosphoryl chloride. | 【Decomposition】
Carbon monoxide, carbon dioxide. |
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