Light Yellow Liquid Methyltriacetoxysilane CAS 4253-34-3

• CAS No.: 4253-34-3
• Formula: C7h12o6si
• EINECS: 224-221-9
• Type: Pharmaceutical Intermediates
• Appearance: Liquid
• Colour: Yellow
• Model NO.: 99%
• Name: Methyltriacetoxysilane
• CAS: 4253-34-3
• Molecular Formula: C7h12o6si
• Molecular Weight: 220.25
• Purity: 90.0% Min
• Density (20°c): 1.175 G/Ml
• Transport Package: in 200kgs, 1000kgs Net Plastic Drum
• Trademark: SWC
• Origin: China
• Production Capacity: 20mts/Month

Product Description

Product Name:  Methyltriacetoxysilane (MTAS)

Identification
Synonyms   Methylsilanetriyl triacetate; Triacetoxy(methyl)silane
Molecular Formula C7H12O6Si
Molecular Weight  220.25
CAS Number  4253-34-3
EINECS/ELINCS    224-221-9

Properties
Appearance  colorless or yellowish transparent liquid
Melting Point  100-135°C
Stability stable under ordinary conditions

Specification

Item	Specification
Appearance	colorless or yellowish transparent liquid
Purity	90.0% min
Density (20°C)	1.175 g/ml
Refractive index (20°C)	1.4083
Boiling range (3mmHg)	87°C
Flash point	85°C

Application
It is mainly used as crosslinking agent of vulcanizing silicone rubber and Silicone glass (acid).

Packing and Storage
Packing  In 200kgs,1000kgs net plastic drum or iron drum with plastic lining.
Storage  Store in cool, dry conditions in well sealed containers. Keep container tightly sealed. Protect from humidity and water

Safety Information
UN1759 Class8 PG III  

Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; 

For those high value products, you just need to freight and certain product cost. When we both cooperate for 

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) 

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on 

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide 

for you all are qualified. We will have goods tested and provide COA before delivery for sure.