Silane coupling agent KH-590 Uses
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Trimethoxysilylpropanethiol

Silane coupling agent KH-590 Uses
Product Name
Trimethoxysilylpropanethiol
CAS No.
4420-74-0
Chemical Name
Trimethoxysilylpropanethiol
Synonyms
(3-MERCAPTOPROPYL)TRIMETHOXYSILANE;kbm803;γ-Mercaptopropyltrimethoxysilane;kbe803;Mercaptopropyltrimethoxysilane;3-(TRIMETHOXYSILYL)-1-PROPANETHIOL;gf70;m8500;A 189;z6062
CBNumber
CB6162452
Molecular Formula
C6H16O3SSi
Formula Weight
196.34
MOL File
4420-74-0.mol
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Trimethoxysilylpropanethiol Property

Melting point:
<-50°C
Boiling point:
213-215 °C(lit.)
Density 
1.057 g/mL at 25 °C(lit.)
vapor pressure 
0.2 hPa (20 °C)
refractive index 
n20/D 1.444(lit.)
Flash point:
204 °F
storage temp. 
2-8°C
solubility 
Miscible with methanol, ethanol, isopropanol, acetone, benzene, toluene and xylene.
pka
10.47±0.10(Predicted)
form 
Liquid
color 
Clear colorless to light yellow
Specific Gravity
1.04
Water Solubility 
decomposes
Sensitive 
Air & Moisture Sensitive
Hydrolytic Sensitivity
7: reacts slowly with moisture/water
BRN 
2038119
Stability:
Stable, but moisture sensitive - may decomposes on exposure to moist air. Incompatible with water, alcohols, strong oxidizing agents, strong acids.
InChIKey
UUEWCQRISZBELL-UHFFFAOYSA-N
LogP
-1.4-1.7 at 20℃
CAS DataBase Reference
4420-74-0(CAS DataBase Reference)
NIST Chemistry Reference
1-Propanethiol, 3-(trimethoxysilyl)-(4420-74-0)
EPA Substance Registry System
1-Propanethiol, 3-(trimethoxysilyl)- (4420-74-0)
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Safety

Hazard Codes 
Xn,N
Risk Statements 
22-43-51/53
Safety Statements 
24/25-36/37-61-57-37-24
RIDADR 
UN 3082 9/PG 3
WGK Germany 
2
RTECS 
TZ7800000
1-10-13
Autoignition Temperature
235 °C
TSCA 
Yes
HazardClass 
9
PackingGroup 
III
HS Code 
29310095
Toxicity
LD50 orally in Rabbit: 774 mg/kg LD50 dermal Rabbit 2268 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
175617
Product name
(3-Mercaptopropyl)trimethoxysilane
Purity
95%
Packaging
25g
Price
$49.6
Updated
2024/03/01
Sigma-Aldrich
Product number
8.18818
Product name
3-(Trimethoxysilyl)-1-propanethiol
Purity
for synthesis
Packaging
100mL
Price
$92.8
Updated
2024/03/01
Sigma-Aldrich
Product number
175617
Product name
(3-Mercaptopropyl)trimethoxysilane
Purity
95%
Packaging
100g
Price
$148
Updated
2024/03/01
TCI Chemical
Product number
M0928
Product name
(3-Mercaptopropyl)trimethoxysilane
Purity
>96.0%(GC)
Packaging
25mL
Price
$26
Updated
2024/03/01
TCI Chemical
Product number
M0928
Product name
(3-Mercaptopropyl)trimethoxysilane
Purity
>96.0%(GC)
Packaging
100mL
Price
$68
Updated
2024/03/01
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Trimethoxysilylpropanethiol Chemical Properties,Usage,Production

Silane coupling agent KH-590

Silane coupling agent KH-590 is the earliest widely applied coupling agent and so far has a history of more than 40 years. One end of its structure contains active groups such as amino group and vinyl group which are capable of having reaction with various kinds of synthetic resin molecules including epoxy, phenolic, and polyester. The other end includes either alkoxy group (e.g. methoxy, ethoxy, etc.) or a chlorine atom which are connected to silicon. These groups, in the presence of an aqueous solution or moisture in the air, can be hydrolyzed to be able to react with glass, minerals, and the surface hydroxyl group of inorganic filler to generate reactive silanols. Accordingly, the silane coupling agent is commonly used in the silicate-filled epoxy, phenolic and polyester resin systems. In addition, it can also be used for the production of the glass steel in order to improve their mechanical strength and resistance to humid environments. The organic groups of the silane coupling agent have selectivity on the reaction of the synthetic resin. In general, these organic groups don’t have enough reactivity with synthetic resin such as polyethylene, polypropylene and polystyrene, and thus having poor coupling effects. In recent years, it has been developed of new variety of silane coupling agent with better coupling effect with polyolefin. However, limited by the cost and other performance, its application is still not wide enough.
Silane coupling agent is also known as silane treatment agent or primer. Its general chemical formula is Y (CH2) nSiX3 which contains organosilicon monomers with two or more different reactive groups in the molecule. It can have chemical coupling reaction with both inorganic and organic materials to increase the adhesion between the two kinds of materials. The n in the general chemical formula is an integer of 0 to 3; X is a hydrolyzable group such as chloro, methoxy, ethoxy, acetoxy, etc., It is easily to be hydrolyzed into silanols and can have reaction with inorganic materials and further bind to them; the Y is organic functional groups, such as vinyl, amino, epoxy, methacryloxy group, and mercapto group, etc., it can react with organic materials and bind to them. The performance of typical silane coupling agent is as follows: can be used for the treatment of glass fiber and inorganic filler surface; can be used as sealants, adhesives and coatings thickener; also can be applied to ensure the immobilize enzyme be attached to the glass substrate surface, sand prevention for oil well drilling, making masonry surfaces be water-repellent, endowing the coating of fluorescent lamp with a high surface resistance, and also improving the hygroscopic effect of the surface of the organic glass in the liquid chromatography. It is prepared from the adduct reaction between silicon chloroform and active group containing olefin in the catalysis of platinum and further alcoholysis.
The above information is edited by the chemicalbook of Dai Xiongfeng.

Uses

Trimethoxysilylpropanethiol is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group. Trimethoxysilylpropanethiol is a clear, colorless to light yellow liquid with a slightly mercaptan odor. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons.
Applications:

  • Trimethoxysilylpropanethiol can be used as coupling agent to improve the adhesion of sulfur cured elastomers (polysulfide, polyurethane sealants) to inorganic fillers (such as silica, clay, glass, mica and talc etc.), fiberglass and surfaces. Mineral-reinforced articles such as shoe soles, rubber rollers and wheels, white sidewalls, and wire and cable insulation also can be produced with lower silane loadings.
  • Used to improve properties of mineral filled elastomer, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time.
  • Used as a pretreatment on minerals or added at the time of compounding.
  • Used to improve low-rolling resistance in silica-reinforced tire tread compounds.

Chemical Properties

Water white to light straw liquid clear liquid with an unpleasant odour of sulphide.

Uses

(3-Mercaptopropyl)trimethoxysilane is used as a capping molecule for cadmium sulphide nanocrystals. It is used in the preparation of multi-walled carbon nanotubes and bilayer modified gold electrode. It acts as a linker molecule used in the preparation of gold multilayers and as a molecular adhesive in the fabrication of vapor-deposited gold electrodes on glass substrates. It is also used as a precursor for silica.

Application

MPTMS can be coated with TiO2, CeO2 and La2O3 for protection against corrosion on quaternary bronze in urban atmosphere. It can also be used as a silica nanofluid (NF) to modify the surface of berea sandstone to improve the enhanced oil recovery (EOR) area in the petroleum industry. MPTMS forms composites with kaolin, that can be used as an absorbent for the removal of heavy metals from wastewater. MPTMS can form a bilayer with multiwalled carbon nanotubes (MWNTs) on gold electrodes which can be used to study the electrochemical properties of fluphenazine.

Preparation

(3-Mercaptopropyl)trimethoxysilane was prepared by using thiourea and 3-chloropropyltrimethoxysilane as raw materials, petroleum ether as solvent, KI as catalyst, and ethylenediamine as neutraliser.

General Description

(3-mercaptopropyl)trimethoxysilane (MPTMS) is an organosilane with a thiol group, which can be used as a self-assembled monolayer (SAM). It can be used as a conjunction reagent to immobilize a variety of nanoparticles.

Trimethoxysilylpropanethiol Preparation Products And Raw materials

Raw materials

Preparation Products

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Trimethoxysilylpropanethiol Suppliers

Hubei Changfu Chemical Co., Ltd.
Tel
027-84396550 18162770058
Email
sales@cfsilanes.com
Country
China
ProdList
400
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58
HUANSHAN KBR CHEMICAL CO., LTD
Tel
0559-2335676-658 18155919527
Fax
18155919527
Email
johnxu@kbrchem.com
Country
China
ProdList
121
Advantage
55
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Tel
400-6206333 18521732826;
Fax
021-50323701
Email
market@aladdin-e.com
Country
China
ProdList
24835
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Hubei Jusheng Technology Co.,Ltd
Tel
027-59599241 18871490274
Fax
027-59599241
Email
1400878000@qq.com
Country
China
ProdList
9972
Advantage
58
Hubei yongkuo Technology Co., Ltd
Tel
027-59223108 15972152991
Fax
027-59223108
Email
1248580099@qq.com
Country
China
ProdList
10007
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58
NANJING CAPATUE CHEMICAL CO., LTD
Tel
025-85720156 18851947603
Email
dongxiang@capatue.com
Country
China
ProdList
120
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58
Nanjing Quanxi New Materials Co., Ltd
Tel
025-025-58183162-0 18021540488
Email
1094405027@qq.com
Country
China
ProdList
59
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58
Shanghai Boyle Chemical Co., Ltd.
Tel
021-50182298 021-50180596
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2210
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
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View Lastest Price from Trimethoxysilylpropanethiol manufacturers

Henan Fengda Chemical Co., Ltd
Product
3-Mercaptopropyltrimethoxysilane 4420-74-0
Price
US $8.00-0.60/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-01-14
Hubei Changfu Chemical Co., Ltd.
Product
3-Mercaptopropyltrimethoxysilane 4420-74-0
Price
US $0.00-0.00/kg
Min. Order
0.10000000149011612kg
Purity
98%
Supply Ability
500tons
Release date
2023-12-22
Hebei Duling International Trade Co. LTD
Product
Trimethoxysilylpropanethiol 4420-74-0
Price
US $50.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 tons
Release date
2023-03-30

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