N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792)
[3-(2-Aminoethyl)aminopropyl]trimethoxysilane
CAS: 1760-24-3
Molecular Formula: C8H22N2O3Si
N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792) - Names and Identifiers
N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792) - Physico-chemical Properties
| Molecular Formula | C8H22N2O3Si |
| Molar Mass | 222.36 |
| Density | 1.028g/mLat 25°C(lit.) |
| Melting Point | 0°C |
| Boling Point | 146°C15mm Hg(lit.) |
| Flash Point | 220°F |
| Water Solubility | REACTS |
| Solubility | Miscible with toluene. |
| Vapor Presure | 1.5 hPa (20 °C) |
| Appearance | Liquid |
| Specific Gravity | 1.01 |
| Color | Clear colorless to light yellow |
| BRN | 636230 |
| pKa | 10.11±0.19(Predicted) |
| PH | 10 (10g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | n20/D 1.444(lit.) |
| Use | Coupling Agent, used in rubber, plastic, glass fiber, coatings, adhesives, sealants and other industries |
N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792) - Risk and Safety
| Risk Codes | R38 - Irritating to the skin R41 - Risk of serious damage to eyes R43 - May cause sensitization by skin contact R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R42/43 - May cause sensitization by inhalation and skin contact. R37/38 - Irritating to respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S37/39 - Wear suitable gloves and eye/face protection S24 - Avoid contact with skin. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S23 - Do not breathe vapour. |
| UN IDs | UN 3267 8/PG 2 |
| WGK Germany | 3 |
| RTECS | KV7400000 |
| FLUKA BRAND F CODES | 1-10 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 2413 mg/kg LD50 dermal Rat > 2000 mg/kg |
N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792) - Reference Information
| LogP | -4--0.82 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Introduction | N-(2-aminoethyl) 3-aminopropyltrimethoxysilane is a very representative silane coupling agent. It can be used to couple organic polymers and inorganic materials, can be used as a glass fiber finishing agent, can be used as a crosslinking agent and curing agent for silicone rubber and silicone resin, can be used as a textile finishing agent, can also be made into amino modified silicone oil and so on. |
| preparation | add 12mol(721.2g) of ethylenediamine to the kettle and add 1mol(198.7G) chloropropyltrimethoxysilane is pressed into the metering tank, ethylenediamine is heated to 100 r/min ° C. Under 120 stirring, and chloropropyltrimethoxysilane in the metering tank is dropped into ethylenediamine in the reaction kettle through the dropping funnel within 4 hours, after completion of the dropwise addition, the reaction was continued at 120 ℃ for 2 hours to produce N-(β-aminoethyl) -3-aminopropyltrimethoxysilane and ethylenediamine hydrochloride, then, the temperature of the kettle is lowered to 80 ℃, and the water circulation vacuum pump is turned on at the same time. Under the condition of-0.08MPa, ethylenediamine 8mol(480.8G) is recovered under vacuum, after lowering the temperature of the kettle to 40 ° C., the contents of the kettle were introduced into a conical sedimentation kettle for static stratification at atmospheric pressure for 4 hours. After 4 hours of static stratification, the lower layer separated from the material in the settling kettle was 165.5G of ethylenediamine hydrochloride, and the upper layer was 273.6G of crude N-(2-aminoethyl)-3-aminopropyltrimethoxysilane, the crude upper layer was distilled at-0.1MPa to obtain 195.2g of finished N-(2-aminoethyl)-3-aminopropyltrimethoxysilane; N-(2-aminoethyl) -3-aminopropyltrimethoxysilane product GC detection content was 99.08%, product quality yield was 98.2%. |
| Application | coupling agent, used in rubber, plastic, glass fiber, coating, adhesive, sealant and other industries 1. Mainly used for coupling organic polymers and inorganic, so that the two chemical bonding into a whole, in order to improve the polymer of various physical and mechanical properties, electrical properties, water resistance, aging resistance, suitable polymers for coupling are thermosetting resins, such as epoxy, phenolic, polyurethane, melamine, nitrile phenolic; Hot melt resins, such as polystyrene, polyvinyl chloride, polyamide; Elastomer Polysulfide rubber, polyurethane rubber, etc. 2. Mainly improve the performance of epoxy, phenolic, melamine, furan and other resin laminates. It is also effective for polypropylene, polyethylene, polyacrylic acid vinegar, silicone, polyamide, polycarbonate, and Poly cyanoethylene. Glass fiber finishing agent, is also widely used in glass beads, silica, talc, mica, clay, fly ash and other silicon-containing substances. |
| production method | (1) synthesis of trimethoxysilane see γ-(glycidyl ether) propyltrimethoxysilane. (2) synthesis of γ-(ethylenediamino) propyltrimethoxysilane obtained by addition reaction of ethylenediaminopropene and trimethoxysilane. The addition reaction of trichlorosilane and allyl chloride is carried out under the catalysis of chloroplatinic acid, then the amination reaction is carried out with ethylenediamine, and then the product is obtained by methanol alcoholysis. Chloropropyltrichlorosilane can also be used as a raw material to generate chloropropyltrimethoxysilane by methanol hydrolysis, and then the product N-β-aminoethyl-γ-aminopropyltrimethoxysilane is generated by Amine hydrolysis. Among them, it is more appropriate to use steam liquid reaction for aminolysis, and the optimum conditions for aminolysis reaction are as follows: the ratio of raw material silane to ethylenediamine is 1 ∶ 3.0, and the reflux time is 3H. The reaction formula is as follows: |
| autoignition temperature | 300°C |
Last Update：2024-04-10 22:29:15
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View History
N-氨乙基-Γ-氨丙基三甲氧基硅烷(KH-792)
4-(苯硫基)苯甲醛
α-溴代-2-乙酰基萘
双氯甲醚
1-(4-Hydroxyphenyl)ethanone
2-(Z)-(2-AMINOTHIAZOL-4-YL)-2-ACETOXYIMINOACETIC ACID-2-BENZOTHIAZOLTHIOESTER(T15-AE)
Butanoic acid, 2-hydroxy-3-methyl-, methyl ester, (2S)-
2-羧基-2″-羟基-5″-磺基苯鐕基苯
Thiazole, 4-Ethynyl- HCl
DL-1-氨基-2-丙醇
4-(苯硫基)苯甲醛
α-溴代-2-乙酰基萘
双氯甲醚
1-(4-Hydroxyphenyl)ethanone
2-(Z)-(2-AMINOTHIAZOL-4-YL)-2-ACETOXYIMINOACETIC ACID-2-BENZOTHIAZOLTHIOESTER(T15-AE)
Butanoic acid, 2-hydroxy-3-methyl-, methyl ester, (2S)-
2-羧基-2″-羟基-5″-磺基苯鐕基苯
Thiazole, 4-Ethynyl- HCl
DL-1-氨基-2-丙醇