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Reliable Cross Linking Agents CAS NO 4253 34 3 Methyltriacetoxysilane

Reliable Cross Linking Agents CAS NO 4253 34 3 Methyltriacetoxysilane

Reliable Cross Linking Agents CAS NO 4253 34 3 Methyltriacetoxysilane

Product Details:

Place of Origin: CHINA
Brand Name: LYRIN
Certification: SGS
Model Number: LY-18

Payment & Shipping Terms:

Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 25 or 200, 1000 kg in plastic drum
Delivery Time: 10-15 DAYS
Supply Ability: 800 MT MONTH
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Detailed Product Description
CAS NO: 4253-34-3 Appearance: Colorless Pale Yellow Clear Liquid
Class: Crosslinking Agent Series EINECS No: 224-221-9
Purity: 99% Other Names: Methylsilanetriyl Triacetate; Triacetoxy(methyl)silane


Product information


Methyltriacetoxysilane(MTAS)/Ethyltriacetoxysilane (ETAS)blend



Product description

Structural formula:

Empirical formula: C7H12O6Si/ C8H14O6Si

Molecular weight: 220.3/234.3

CAS No.: MTAS: 4253-34-3

ETAS: 17689-77-9

Chemical name:

Mixed acetoxycrosslinker (ETA/MTA=30/70)

Methyltriacetoxysilane(MTAS)/Ethyltriacetoxysilane (ETAS)blend



D-18 is a clear to yellowish liquid with acrid odor of acetic acid (vinegar).


Technical data

Typical characteristics Value
Appearance clear to yellowish transparent liquid
Density at 25℃ 1.15 g/ml
Boiling point at 760mmHg >210℃
Flash point >84℃
Refractive index (25℃) 1.4065


D-18 soluble in acetic anhydride, treat water will crosslinking, and produce acetic acid.

Application and performance

D-18 is transported from the production site as the parent silane to formulators. Generally, D-18 is used as a cross-linker at 3% to 5%. As D-18 is compounded into a consumer or industrial sealant or adhesive, it reacts with the silicone. After curing the parent silane becomes cross-linked into the silicone rubber matrix and no longer exists, this greatly reduces the potential for consumer or worker exposure.

D-18 is often the main crosslinker of choice for silicone sealants and can be used by itself or in combination with other acetoxysilane to provide the sealant with targeted properties (such as desired cure rate, adhesion, etc).



Product safety, handling and storage

Customers considering the use of this product should review the latest Material Safety Data Sheet and label for product safety information, handling instructions, personal protective equipment if necessary, and any special storage condition required. The “Best use before end” date of each batch is shown on the

product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.


Reliable Cross Linking Agents CAS NO 4253 34 3 Methyltriacetoxysilane


Contact Details
Lyrin Industrial Corporation Limited

Contact Person: silicone

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