2,2-二硫代苯并噻唑
2-(morpholinodithio)benzothiazole
CAS: 95-32-9
Molecular Formula: C11H12N2OS3
2,2-二硫代苯并噻唑 - Names and Identifiers
| Name | 2-(morpholinodithio)benzothiazole |
| Synonyms | accelds Accelerator MDB 2-morpholinodithiobenzothiazole 2-(morpholinodithio)-benzothiazol 2-(morpholinodithio)benzothiazole 4-(2-Benzothiazoldithio)morpholine 2-benzothiazolylmorpholinodisulfide 2-(4-Morpholinodithio)-benzothiazole 2-(4-morpholinyldithio)benzothiazole 2-(4-morpholinyldithio)-benzothiazol 4-morpholinyl2-benzothiazyldisulfide 4-(2-BENZOTHIAZOLYLDITHIO)MORPHOLINE 2-(4'-Morpholinodithio) benzothiazole 2-[(3-methoxyphenyl)ethynyl]-6-methylpyridine 2-(morpholin-4-yldisulfanyl)-1,3-benzothiazole |
| CAS | 95-32-9 |
| EINECS | 202-410-7 |
| InChI | InChI=1/C15H13NO/c1-12-5-3-7-14(16-12)10-9-13-6-4-8-15(11-13)17-2/h3-8,11H,1-2H3 |
2,2-二硫代苯并噻唑 - Physico-chemical Properties
| Molecular Formula | C11H12N2OS3 |
| Molar Mass | 284.42 |
| Density | 1.3762 (rough estimate) |
| Melting Point | 130 °C |
| Boling Point | 455.0±55.0 °C(Predicted) |
| Flash Point | 138.5°C |
| Vapor Presure | 1.16E-05mmHg at 25°C |
| Appearance | Morphological Solid |
| pKa | -0.46±0.10(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.5650 (estimate) |
| MDL | MFCD00059033 |
| Physical and Chemical Properties | Chemical industrial products are light yellow powder. Relative density 1.51, melting point 123-135 ℃. Soluble in chloroform, slightly soluble in carbon disulfide, acetone, insoluble in benzene, petroleum ether, ethanol and water. |
| Use | Use The rear shovel vulcanization accelerator of rubber can also be used as a vulcanizing agent. When used as an accelerator, the performance in natural rubber is similar to that of accelerator CZ, but the delay is slightly larger. When used in 54-1(W) neoprene, with accelerator PZ, can speed up the curing speed, scorch performance is also good, the physical properties of the product is excellent. When used in styrene-butadiene rubber, the scorching performance is poor, and stearic acid can be used to promote drought scorching and improve the constant elongation strength. When used as a vulcanizing agent, it is advisable to add a small amount of thiuram or dithiocarbamate to promote drought to improve the rate of thiogeneration, and the aging resistance of the product can also be improved. The product is easily dispersed in rubber and is almost non-polluting. Mainly used in the manufacture of tires, rubber shoes, sponges, industrial products, etc. When used as a vulcanizing agent, the dosage is 2.5-5 parts, and about 1 point of accelerator PZ is added. When used as an accelerator, the general dosage is 0.4-1.5 parts. |
2,2-二硫代苯并噻唑 - 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. |
| UN IDs | 3077 |
| RTECS | DL5953000 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 orl-mus: 3 g/kg SCIEAS 36(1-4),10,89 |
2,2-二硫代苯并噻唑 - Upstream Downstream Industry
| Raw Materials | Sodium chlorate Disulfur dichloride 2,2'-Dithiobis(benzothiazole) 2-(Morpholinothio)benzothiazole |
2,2-二硫代苯并噻唑 - Nature
| EPA chemical information | Benzothiazole, 2-(4-morpholinyldithio)- (95-32-9) |
Last Update：2024-04-10 22:29:15
2,2-二硫代苯并噻唑 - Security information
| toxic substance data | 95-32-9(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
2,2-二硫代苯并噻唑 - Reference Information
| chemical properties | industrial products are light yellow powder. Relative density 1.51, melting point 123-135 ℃. Soluble in chloroform, slightly soluble in carbon disulfide, acetone, insoluble in benzene, petroleum ether, ethanol and water. |
| use | back shovel vulcanization accelerator for rubber, and can also be used as vulcanizing agent. When used as an accelerator, the performance in natural rubber is similar to that of accelerator CZ, but the delay is slightly larger. When used in 54-1(W) neoprene, with accelerator PZ, can speed up the curing speed, scorch performance is also good, the physical properties of the product is excellent. When used in styrene-butadiene rubber, the scorching performance is poor, and stearic acid can be used to promote drought scorching and improve the constant elongation strength. When used as a vulcanizing agent, it is advisable to add a small amount of thiuram or dithiocarbamate to promote drought to improve the rate of thiogeneration, and the aging resistance of the product can also be improved. The product is easily dispersed in rubber and is almost non-polluting. Mainly used in the manufacture of tires, rubber shoes, sponges, industrial products, etc. When used as a vulcanizing agent, the dosage is 2.5-5 parts, and about 1 point of accelerator PZ is added. When used as an accelerator, the general dosage is 0.4-1.5 parts. |
| production method | 1. accelerator MDB is prepared by reacting accelerator m with morpholine and sulfur monochloride; 2. Heat 36g of accelerator M,36g of morpholine, 7g of sulfur and 100ml of isopropanol to 65-70 ℃, and then slowly treat the mixture with 120ml1.5mol of sodium hypochlorite, after stirring at 55-65 ℃ for 0.5h, the product will reach the accelerator MDB after washing. 3.100ml of ethanol solution (containing 20.5g of monosulfide dimorpholine) is mixed with another 100ml of ethanol solution containing 17g of accelerator M for reaction. After 5h, the reactants are cooled and filtered to obtain accelerator MDB. 4. The accelerator NOBS26g, sulfur 3.2g, ethanol 150ml and morpholine 8.5g are refluxed together for 2 hours, and the reactants are cooled and filtered to obtain the accelerator MDB. 5. Morpholine sulfide, accelerator DM, morpholine and methanol are refluxed. After 1h, the reactants are cooled and filtered to obtain MDB. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral-mouse LD50: 3000 mg/kg |
| flammability hazard characteristics | flammability; combustion produces toxic nitrogen oxides and sulfur oxide smoke |
| storage and transportation characteristics | ventilation and low temperature drying |
| extinguishing agent | dry powder, foam, sand, carbon dioxide, misty water |
| EPA chemical information | The information is: ofmpub.epa.gov provides (external link) |
| toxic substance data | The information is: pubchem.ncbi.nlm.nih.gov Provide (external link) |
Last Update：2024-04-09 19:05:04
2,2-二硫代苯并噻唑 - Uses and synthesis methods
production method
1. accelerator MDB is prepared by reacting accelerator m with morpholine and sulfur monochloride; 2.36g of accelerator M,36g of morpholine, 7g of sulfur and 100ml of isopropanol are heated together to 65-70 ℃, then the mixture is slowly treated with 120ml of 1.5mol of sodium hypochlorite, and then stirred at 55-65 ℃ for 0.5h. After washing, the product reaches the accelerator MDB. 3.100ml of ethanol solution (containing 20.5g of monosulfide dimorpholine) is mixed with another 100ml of ethanol solution containing 17g of accelerator M for reaction. After 5h, the reactants are cooled and filtered to obtain accelerator MDB. 4. The accelerator NOBS26g, sulfur 3.2g, ethanol 150ml and morpholine 8.5g are refluxed together for 2 hours, and the reactants are cooled and filtered to obtain the accelerator MDB. 5. Morpholine sulfide, accelerator DM, morpholine and methanol are refluxed. After 1h, the reactants are cooled and filtered to obtain MDB.
category
Toxic substances
Toxicity classification
Poisoning
Acute toxicity
oral-mouse LD50: 3000 mg/kg
flammability hazard characteristics
Combustible; combustion produces toxic nitrogen oxides and sulfur oxide smoke
storage and transportation features
Ventilated low temperature drying
Fire extinguishing agent
Dry powder, foam, sand, carbon dioxide, mist water
Last Update：2024-04-09 21:54:55
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View History
2,2-二硫代苯并噻唑
1-(2,5-DIMETHYLPHENYL)-3-METHYL-1H-PYRAZOL-5-AMINE HYDROCHLORIDE
(XYL)2P(O)H
(4-(1H-Pyrazolo[3,4-b]pyridin-4-yl)morpholin-2-yl)methanamine
2-乙基碘己烷
反-3-(三甲基硅基)烯丙醇
Chlorodifluoroacetic acid sodium salt
6-TERT-BUTOXYCARBONYLAMINO-PYRIDINE-2-CARBOXYLATE
3-chloropentane
二(三甲基甲硅烷基)乙炔
1-(2,5-DIMETHYLPHENYL)-3-METHYL-1H-PYRAZOL-5-AMINE HYDROCHLORIDE
(XYL)2P(O)H
(4-(1H-Pyrazolo[3,4-b]pyridin-4-yl)morpholin-2-yl)methanamine
2-乙基碘己烷
反-3-(三甲基硅基)烯丙醇
Chlorodifluoroacetic acid sodium salt
6-TERT-BUTOXYCARBONYLAMINO-PYRIDINE-2-CARBOXYLATE
3-chloropentane
二(三甲基甲硅烷基)乙炔
Raw Materials for 2,2-二硫代苯并噻唑