4,4'-Dithiodimorpholine
di(morpholin-4-yl) disulphide
CAS: 103-34-4
Molecular Formula: C8H16N2O2S2
4,4'-Dithiodimorpholine - Names and Identifiers
| Name | di(morpholin-4-yl) disulphide |
| Synonyms | dtdm DTDM vanaxa VANAX A vanaxarodform SULFASAN(R) R VANAX A RODFORM vanaxafinegrind dithiomorpholine VANAX A FINE GRIND 4,4-dithiomorpholine morpholine disulfide 4,4'-dithiomorpholine 4,4-dithiodimorpholine 4,4'-dithiodimorpholine Rubber Accelerator DTDM 4,4'-dithiodi-morpholin morpholinen,n'-disulfide 4,4'-dithiobismorpholine 4,4'-dithio dimorpholine 4,4'-dithiobis-morpholin 4,4'-dithiobis-morpholine Morpholine N,N'-disulfide n,n'-dimorpholinedisulfide 4,4'-dimorpholinedisulfide dimorpholinen,n'-disulfide n,n'-dithiobis(morpholine) 4,4'-dithiobis(morpholine) N,N'-DITHIOBIS(MORPHOLINE) N,N'-DIMORPHOLINE DISULFIDE di(morpholin-4-yl) disulphide 4,4'-disulfanediyldimorpholine di(morpholin-4-yl) disulphide 4,4'-dithiodimorpholinesulfasan(r)r 4Mmorpholin-4-yldisulfanylmorpholine 4-(4-morpholinyldisulfanyl)morpholine 1,1'-[disulfanediylbis(carbonothioyloxy)]diethane 4,4-dithiodimorpholine,(4,4-dimorpholine disulphide) |
| CAS | 103-34-4 |
| EINECS | 203-103-0 |
| InChI | InChI=1/2C4H9NO.2S/c2*1-3-6-4-2-5-1;;/h2*5H,1-4H2;;/q;;2*-2 |
| InChIKey | HLBZWYXLQJQBKU-UHFFFAOYSA-N |
4,4'-Dithiodimorpholine - Physico-chemical Properties
| Molecular Formula | C8H16N2O2S2 |
| Molar Mass | 236.35 |
| Density | 1.32~1.38g/cm3 |
| Melting Point | 124-125°C |
| Boling Point | 371.7±52.0 °C(Predicted) |
| Water Solubility | 215mg/L at 20.2℃ |
| Vapor Presure | 0.004Pa at 25℃ |
| Appearance | White powder |
| Specific Gravity | 1.36 |
| Color | White to Almost white |
| Merck | 14,3372 |
| pKa | 0.78±0.20(Predicted) |
| Storage Condition | Refrigerator |
| Refractive Index | 1.6300 (estimate) |
| MDL | MFCD00023319 |
| Physical and Chemical Properties | White needle-like crystals. Fish Odor. |
| Use | Suitable for natural rubber and synthetic rubber, with heat resistance, fatigue resistance, anti-reduction, no frost, anti-scorch characteristics |
4,4'-Dithiodimorpholine - Risk and Safety
| Risk Codes | 36/37/38 - 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. |
| RTECS | QE3325000 |
4,4'-Dithiodimorpholine - Upstream Downstream Industry
| Raw Materials | sulfur monochloride |
4,4'-Dithiodimorpholine - Reference Information
| LogP | 2.67 at 22℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | vulcanizing agent DTDM is white or light yellow crystal (or powder). vulcanizing agent DTDM can be used to improve the anti-retrogradation and anti-thermal aging properties of sulfur vulcanized elastomer. |
| use | this product can be used as vulcanizing agent and accelerator for natural rubber and synthetic rubber. The rubber feed of this product does not spray frost, pollution, discoloration and easy dispersion. The vulcanizates obtained when used in effective and half-effect vulcanization systems have good heat resistance and aging resistance. Active sulfur can be released at vulcanization temperature, the effective sulfur content is 27%, the operation is safe, the vulcanization speed is slow when used alone, and the use of thiazole, thiuram and dithiocarbamate can increase the vulcanization speed. This product is especially suitable for butyl rubber. It is produced in the manufacture of tires, butyl inner tubes, adhesive tapes and heat-resistant rubber products. It is also used as an asphalt stabilizer for vertical highways. Suitable for natural rubber and synthetic rubber, with the characteristics of heat resistance, fatigue resistance, reduction resistance, no frost spraying, and scorch prevention |
| production method | add morpholine, solvent gasoline (or benzene and toluene) and a small amount of water to the reaction kettle. after stirring evenly, add sulfur monochloride, gasoline and sodium hydroxide solution dropwise into the kettle at the same time, control the temperature below 10 ℃, and add the sodium hydroxide solution slightly before a carbon chloride dropwise. After dropping, add a certain amount of water and continue stirring for 30min. The reactants are then pumped out, and the filtrate is separated from the water phase of gasoline and recovered. The filter cake is added to the centrifuge and washed with water to be neutral. After removing the water, it is dried to obtain the finished product. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 4300 mg/kg; Oral-mouse LD50: 1660 mg/kg |
| flammability hazard characteristics | flammability; thermal decomposition of toxic nitrogen oxides, sulfur oxide smoke |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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Raw Materials for 4,4'-Dithiodimorpholine