3296-90-0
2,2-bis(bromomethyl)-1,3-propanediol
CAS: 3296-90-0
Molecular Formula: C5H10Br2O2
3296-90-0 - Names and Identifiers
3296-90-0 - Physico-chemical Properties
| Molecular Formula | C5H10Br2O2 |
| Molar Mass | 261.94 |
| Density | 1.8049 (rough estimate) |
| Melting Point | 112-114°C(lit.) |
| Boling Point | 235°C (rough estimate) |
| Flash Point | 178.1°C |
| Water Solubility | 19.4g/L at 20℃ |
| Solubility | Chloroform (Slightly, Heated), Methanol (Slightly, Heated) |
| Vapor Presure | 10 mm Hg ( 178 °C) |
| Appearance | White-like powder |
| Color | White to Off-White |
| pKa | 13.57±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5120 (estimate) |
| MDL | MFCD00004688 |
| Physical and Chemical Properties | Melting point 112-114°C. |
| Use | A reactive flame retardant, after use can achieve a more stringent flame retardant effect |
3296-90-0 - Risk and Safety
| Risk Codes | R45 - May cause cancer R36/37/38 - Irritating to eyes, respiratory system and skin. R40 - Limited evidence of a carcinogenic effect R22 - Harmful if swallowed |
| Safety Description | S53 - Avoid exposure - obtain special instructions before use. S23 - Do not breathe vapour. 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | 2811 |
| WGK Germany | 3 |
| RTECS | TY3195500 |
| HS Code | 29055900 |
3296-90-0 - Upstream Downstream Industry
| Raw Materials | Pentaerythritol |
3296-90-0 - Reference Information
| LogP | 1.08 |
| (IARC) carcinogen classification | 2B (Vol. 77) 2000 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | a reactive flame retardant that can achieve a stricter flame retardant effect after use organic synthesis intermediate |
| production method | add 55g pentaerythritol (0.40mol), 200g 40% hydrobromic acid solution (1.0mol) and a certain amount of glacial acetic acid to a 500ml three-mouth bottle equipped with an electric stirrer, a thermometer and a reflux condenser. The stirrer is started, heated slowly, and reacted at reflux temperature for 6~8h. After the reaction is over, water and unreacted hydrogen bromide are removed under reduced pressure, and then 300ml of equal volume of toluene and water mixture are added for stirring treatment for 3h. Filter, recrystallize with hot water, and add activated carbon to decolorize. Filtration and vacuum drying can obtain 84.7g of finished product with yield (calculated as pentaerythritol) as 80.8%. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:01:54
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View History
3296-90-0
13522-16-2
2364-54-7
镁 制备
trans-permethrin acid
SAGE
GENTIAN VIOLET 10B
Ferrous
4-TRITYLPHENOL
Nudifloric Acid
13522-16-2
2364-54-7
镁 制备
trans-permethrin acid
SAGE
GENTIAN VIOLET 10B
Ferrous
4-TRITYLPHENOL
Nudifloric Acid
Raw Materials for 3296-90-0