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Hexamethyl Disilazane(HMDS)

Inquiry
  Post Date: Nov 20,2014
  Expiry Date: May 19,2015
  Detailed Description: Cas No. :999-97-3
ZQ-HMDS 

Molecular formula:(CH3)3SiNHSi(CH3)3



Technical index:

1. Appearance: colorless and transparent liquid, milk white is permitted, non toxic , slight amine smell.

2.Molecular weight: 161.39

3.Density(25°C) g/cm3: 0.770-0.780

4. Hexamethyldisilazane Content % ≥99.0 (Super Product Content≥99.5%)

5.Hexamethyldisiloxane Content% ≤0.7

6.Trimethyl Silanol Content% ≤0.3

7.Nitrogen Content( %) 8.0-8.7

8.Boiling Point (°C) 126

9.Flash Point (°C) 27

10.Chroma: ≤10

11. Refractive Index(n20D) 1.408±0.002



Property and uses.

It is colorless transparent liquid and is soluble with various organic solvents. It will decompose and form trimethyl silanol and hexamethyl disilicone chain if exposed to air

1. It can be applied to Silicone rubber, methyl-vinyl to improve its tearing toughness.

2. If stuffed by the gaseous phase(SiO2) treated by hexamethyl disilazane, the mechanical strength of silicone rubber, binding quality and transparency of silicon sulfide rubber under room temperature can be largely improved

3. it can be used in the testing for molecular weight and its distribution of high polymer.

4. as silylating agent in synthesis of beta-lactam antibiotics

5. for surface modification of diatomaceous earth, silica, titanium dioxide, etc.

6. Photo etch adhesive.

7. in special organic synthesis.



Packaging and storage:

Galvanized iron drum or plastic lining drum; Net weight: 160kg. Storage Period: 1 year.



Precautions:

1. When store, prohibit to meet naked fire, should keep in ventilate, dry place avoid sunlight irradiation, the storage temperature is -50°C-45°C.

2. When transport, should avoid collision, rain and sunlight. Store and transport it as dangerous goods.

3. This product is apt to hydrolyze, will react acutely when meet acidic material, so should store it in closed container. 

 

 

  CAS Registry Number:

999-97-3
  Synonyms: ;HMDS;Hexamethyldisilazane;DYNASYLAN HMDS;Bis(trimethylsilyl)amine;1,1,1,3,3,3,-HEXAMETHYLDISILA-;
  Molecular Formula: C6H19NSi2
  Molecular Weight: 161.39
  Molecular Structure: 999-97-3 1,1,1,3,3,3-Hexamethyldisilazane
  Hazard Symbols:  F:Flammable;
 C:Corrosive;
  Risk Codes: R11:;
R20/21/22:;
R34:;
  Safety Description: S16:;
S26:;
S36/37/39:;
S45:;

  Company: zibo linzi qiquan industrial trade co.,ltd     [ China ]        
  Contact: cherry
  Tel: 0533-7489128
  Fax: 0533-7487266
  Email: cherry@qiquanchem.com
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