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Hexamethyldisilane CAS:1450-14-2

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CAS No.:

1450-14-2

Grade:

Industrail Grade

Content:

99%

Port:

SHANGHAI

Brand:

Orient

Packaging:

25L, 200L, 1000L, customized

Price valid (until):

2025-12-26

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Items	Specifications
Product name	Hexamethyldisilane
CAS	1450-14-2
Appearance	LIQUID
Uses	Hexamethyldisilane acts as a silylating reagent for allylic acetates, aryl halides and diketones. It is a source material for vapor deposition during silicon carbide growth. It is also used in electronic and semiconducter industries.
Application	Hexamethyldisilane is an important silane protective agent, which can synthesize sodium trimethylsilane, potassium trimethylsilane and lithium trimethylsilane. Preparation of iodotrimethylsilane. Used as trimethylsilane anion reagent. silylating or reducing reagent in combination with a Pd catalyst or a nucleophile. Replaces aromatic nitriles with TMS groups in presence of [RhCl(cod)]2. Precursor for CVD of silicon carbide. Brings about the homocoupling of arenesulfonyl chlorides in the presence of Pd2(dba)3. Used as a solvent for the direct borylation of fluoroaromatics. Reacts with alkynes to form siloles. Undergoes the silylation of acid chlorides to give acylsilanes.
Preparation	Hexamethyldisilane is produced by the reaction of methyl Grignard reagent with methylchlorodisilanes. This reaction is normally conducted in the presence of an ether such as diethyl ether, ethyl propyl ether, THF and the like.
Purification Methods	The most likely impurity is trimethylchlorosilane (cf boiling point). Wash it with H2O, cold conc H2SO4, H2O again, then aqueous NaHCO3, dry over CaSO4 and fractionate at atmospheric pressure. [Brown & Fowles J Chem Soc 2811 1958.] A grossly impure sample (25% impurities) was purified by repeated spinning band distillation. This lowered the impurity level to 500ppm. The main impurity was identified as 1-hydroxypentamethyldisilane. [Beilstein 4 IV 4277.]
Product Categories:	organosilicon compounds;Pharmaceutical Intermediates;Chemical Synthesis;Organometallic Reagents;Blocking Agents;Protective Agents;Silylating Agents;Special Silanes;Disilanes;DisilanesVapor Deposition Precursors;Organometallic Reagents;Organosilicon;Precursors by Metal;Standards for NMR;Analytical Chemistry;NMR Spectrometry;Si (Classes of Silicon Compounds);Silicon Compounds (for Synthesis);Si-Si Compounds;Synthetic Organic Chemistry;K00001;bc0001

Hexamethyldisilane Chemical Properties

Melting point	9-12 °C (lit.)
Boiling point	112-114 °C (lit.)
density	0.715 g/mL at 25 °C (lit.)
refractive index	n20/D 1.422(lit.)
Fp	29 °F
storage temp.	Store at <= 20°C.
solubility	sol common organic solvents; insol H2O.
form	liquid
color	colorless
Specific Gravity	0.729
Water Solubility	Insoluble in water. Soluble in alcohol, ether and acetone.
Hydrolytic Sensitivity	1: no significant reaction with aqueous systems
BRN	1633463
Stability:	Volatile
InChIKey	NEXSMEBSBIABKL-UHFFFAOYSA-N
CAS DataBase Reference	1450-14-2(CAS DataBase Reference)
NIST Chemistry Reference	Disilane, hexamethyl-(1450-14-2)
EPA Substance Registry System	Disilane, hexamethyl- (1450-14-2)

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—— Q&A ——

Q1:Do you provide sample?

A: Yes, we can provide free sample, you only need pay the shipping cost.

Q2: What is the lead time?

A: For stock goods, it usually take about 5-7 days by air, 15-30 days by sea,For customized products, the delivery time needs to be confirmed based on the actual situation.

Q3: How can I buy? What is the payment method?

A: You can contract us through Email or you can browse our website:orientchem.cc, we have bank transfer,

Q4:What if there are quality issues？

A：We attach great importance to after-sales service of our products. If there are any quality issues, please contact us within 30 days of receiving the goods and we will handle returns and exchanges for you.

Certificates

Basic Info

Product Name:

Hexamethyldisilane

Other Name:

Disilane,1,1,1,2,2,2-hexamethyl-;Disilane,hexamethyl-;1,1,1,2,2,2-Hexamethyldisilane;Hexamethyldisilane;Permethyldisilane;NSC 294211

CAS No.:

1450-14-2

Molecular Formula:

C6H18Si2

InChIKeys:

InChIKey=NEXSMEBSBIABKL-UHFFFAOYSA-N

Molecular Weight:

146.38

Exact Mass:

146.38

BRN:

1633463

EC Number:

215-911-0

NSC Number:

294211

DSSTox ID:

DTXSID2061698

HScode:

29310095

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

XLogP3:

2.50

Appearance:

colorless liquid

Density:

0.729 g/cm³

Melting Point:

13.5 °C

Boiling Point:

113.5 °C

Flash Point:

29 °F

Refractive Index:

n 20/D 1.422(lit.)

Water Solubility:

Insoluble in water. Soluble in alcohol, ether and acetone.

Storage Conditions:

Flammables area

Toxicity:

LD50 orally in Rabbit: 2160 mg/kg LD50 dermal Rabbit 2160 mg/kg

See More Hexamethyldisilane Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Respiratory sensitization, Category 1

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H319 Causes serious eye irritation H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 May cause respiratory irritation
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P284 [In case of inadequate ventilation] wear respiratory protection. P271 Use only outdoors or in a well-ventilated area.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately. P319 Get medical help if you feel unwell.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Hexamethyldisilane Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
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Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
Singapore	HMD	900 MT	Aug 7, 2023
India	Hexamethyldisilane	2 KG	Sep 30, 2024

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