2,2-Bis(hydroxymethyl)-1,3-propanediol(115-77-5)
Product Identification
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
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
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
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
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
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
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.