conaca
N-cyclohexylbenzothiazole-2-sulphenamide
CAS: 95-33-0
Molecular Formula: C13H16N2S2
conaca - Names and Identifiers
conaca - Physico-chemical Properties
| Molecular Formula | C13H16N2S2 |
| Molar Mass | 264.41 |
| Density | 1.31~1.34g/cm3 |
| Melting Point | 93-100°C |
| Boling Point | 410.4±28.0 °C(Predicted) |
| Flash Point | 202°C |
| Water Solubility | Insoluble |
| Solubility | Chloroform (Slightly), DMSO (Slightly), Ethyl Acetatae (Slightly) |
| Vapor Presure | 6.04E-07mmHg at 25°C |
| Appearance | Form Solid, color Pale Yellow to Light Beige |
| Color | Pale Yellow to Light Beige |
| pKa | 0.59±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.5700 (estimate) |
| Physical and Chemical Properties | Melting point 93-100°C water-soluble Insoluble |
| Use | Is an excellent after-effect accelerator, suitable for natural rubber and synthetic rubber and tire and other rubber products |
conaca - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R43 - May cause sensitization by skin contact |
| 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. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S37 - Wear suitable gloves. S24 - Avoid contact with skin. |
| UN IDs | 3077 |
| RTECS | DL6250000 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 oral in rat: 5300mg/kg |
conaca - Upstream Downstream Industry
conaca - Introduction
Definition of enzyme activity: under the conditions of 37 ℃ and pH 8.0, the formation of 1 micromolar cystathionine per minute is defined as an enzyme activity unit. Molecular weight: 56kD (SDS-PAGE) isoelectric point: 6.8 Michaelis constant: 5.8 × 10 -5 M (L-homocysteine) optimal pH value: 8.0-8.5 optimal temperature: 40 ℃ pH stability: 6.5-7.5
Last Update：2022-10-16 17:30:19
conaca - Nature
| Solubility | Chloroform (Slightly), DMSO (Slightly), Ethyl Acetatae (Slightly) |
| EPA chemical information | N-Cyclohexyl-2-benzothiazolesulfenamide (95-33-0) |
Last Update：2024-04-09 20:52:54
conaca - Production method
It is obtained by the reaction of accelerator M (2-thiolyl benzothiazole) with cyclohexylamine. The accelerator M is mixed with cyclohexylamine aqueous solution, and the crude product is oxidized by adding sodium hypochlorite dropwise under stirring to separate the solid material, washed with water to neutral, and dried below 75°C to obtain the finished product. Raw material consumption (kg/t) accelerator M(95%) 745 cyclohexylamine (95%) 500
Last Update：2024-06-07 11:28:00
conaca - Reference Information
| Introduction | N-cyclohexyl-2-benzothiazole sulfamide The trade name is the accelerator CZ. This product is light yellow powder, slightly odor, non-toxic, specific gravity of 1.31~1.34, melting point not lower than 94 ℃, stable storage. The critical vulcanization temperature is 138 ℃, which has the advantages of excellent scorch resistance and fast vulcanization speed. This product has slight discoloration, is sprayed with cream, and has excellent aging resistance. The general dosage is 0.5~2 parts. |
| use | rubber vulcanization accelerator CZ, scientific name N-cyclohexyl -2-benzothiazole sulfenamide, is a highly active aftereffect semi-overspeed accelerator with excellent scorch resistance, safe processing and short vulcanization time. Adding alkaline accelerators, such as thiuram and dithiocarbamate, can enhance its activity, suitable for various rubbers, and do not spray cream with slight discoloration. The vulcanized rubber products have strong aging resistance, tensile resistance and tensile strength, and are suitable for manufacturing industrial rubber products such as tires, rubber shoes, cables, etc. Suitable for the use of furnace black rubber, such as natural rubber, butyl rubber, isoprene rubber, styrene butadiene rubber, nitrile rubber, EPDM rubber, etc., which is characterized by excellent scorch resistance and vulcanization time Short, no frost spraying, aging resistance, heat resistance, crack resistance, and wear resistance. It can be used as a vulcanization accelerator alone or in combination with other accelerators such as D, DT, TT, TS, etc. Used to prepare tires, tapes, cables, hoses and other general industrial supplies. is an excellent aftereffect accelerator, suitable for rubber products such as natural rubber, synthetic rubber and tires one of the commonly used aftereffect accelerators. It is suitable for the use of furnace black rubber, and has the advantages of excellent scorch resistance and short vulcanization time. Can be used in natural rubber, recycled rubber, diene synthetic rubber, especially suitable for styrene butadiene rubber. It can be used alone or with accelerators D,DT,TT,TS, etc. Because of its bitter taste, it cannot be used in food-related products. Slight discoloration, no frost spraying, excellent aging resistance of vulcanized rubber. Mainly used in tires, rubber shoes, rubber hoses, tapes, cables, general industrial products, etc. The product is low in toxicity. is an excellent aftereffect accelerator, suitable for natural rubber and synthetic rubber, and can improve the physical and mechanical properties of rubber products CZ is a highly active aftereffect accelerator with excellent scorch resistance, safe processing and short vulcanization time. The promotion effect is very strong when the vulcanization temperature is above 138 ℃. It is often mixed with WIlLING TMTD, WIlLING DPG or other alkaline accelerators to cooperate with the second accelerator. Alkaline promoters such as thiuram and dithiocarbamate can enhance their activity. It is mainly used to manufacture industrial rubber products such as tires, rubber hoses, rubber shoes, cables, etc. |
| chemical properties | milky white or beige powder. Soluble in benzene, dichloromethane, carbon tetrachloride, ethyl acetate, acetone, slightly soluble in ethanol and gasoline, insoluble in water. |
| Production method | It is obtained by the reaction of accelerator M (2-thiolyl benzothiazole) and cyclohexylamine. The accelerator M is mixed with cyclohexylamine aqueous solution, and the crude product is oxidized by adding sodium hypochlorite dropwise under stirring to separate the solid material, washed with water to neutral, and dried below 75°C to obtain the finished product. Raw material consumption (kg/t) accelerator M(95%) 745 cyclohexylamine (95%) 500 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-06-07 11:29:48
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View History
conaca
Quinoleine-8-ol
WS-3
2,6-Di-tert-butyl-4-methylcyclohexanol
96863-69-3
N-(2-(2-(2-(2-Aminoethoxy)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
Phenoxylene plus
1203655-71-3
乙酰乙酸苯酯
2(3H)-Furanone, dihydro-3,4,4-trihydroxy-3-methyl-, (3R)- (9CI)
Quinoleine-8-ol
WS-3
2,6-Di-tert-butyl-4-methylcyclohexanol
96863-69-3
N-(2-(2-(2-(2-Aminoethoxy)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide
Phenoxylene plus
1203655-71-3
乙酰乙酸苯酯
2(3H)-Furanone, dihydro-3,4,4-trihydroxy-3-methyl-, (3R)- (9CI)
Raw Materials for conaca
Aniline
Cyclohexylamine
N-chlorocyclohexylamine
2-Benzothiazolesulfenicacid,anhydridewithHSCN(6CI)
Cyclohexanone, S-2-benzothiazolylthiooxime
Sodium mercaptobenzothiazole
2-Butoxyethanol
Cyclohexylamine
N-chlorocyclohexylamine
2-Benzothiazolesulfenicacid,anhydridewithHSCN(6CI)
Cyclohexanone, S-2-benzothiazolylthiooxime
Sodium mercaptobenzothiazole
2-Butoxyethanol