1,1,1,3,3,3-Hexamethyldisilazane, 98%, AcroSeal™, Thermo Scientific™

Product Code	Brand	Quantity	Packaging
10430398	Thermo Scientific Acros 430851000	100mL	AcroSeal™ Glass Bottle
15149293	Thermo Scientific Acros 430850010	1L	AcroSeal™ Glass Bottle

Description

This Thermo Scientific brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Silylation reagent

Chemical Identifiers

• CAS: 999-97-3
• Molecular Weight (g/mol): 161.4
• InChI Key: FFUAGWLWBBFQJT-UHFFFAOYSA-N
• PubChem CID: 13838
• IUPAC Name: [dimethyl-(trimethylsilylamino)silyl]methane

• Molecular Formula: C₆H₁₉NSi₂
• MDL Number: MFCD00008259
• Synonym: hexamethyldisilazane, bis trimethylsilyl amine, hmds, 1,1,1,3,3,3-hexamethyldisilazane, hexamethylsilazane, silanamine, 1,1,1-trimethyl-n-trimethylsilyl, tri-sil, 1,1,1-trimethyl-n-trimethylsilyl silanamine, hexamethyldisilizane, disilazane, 1,1,1,3,3,3-hexamethyl
• ChEBI: CHEBI:85068
• SMILES: C[Si](C)(C)N[Si](C)(C)C

Specifications

• Chemical Name or Material: 1,1,1,3,3,3-Hexamethyldisilazane
• CAS Min %: 97.5
• Density: 0.7600g/mL
• Melting Point: -78.0°C
• Flash Point: 20°C
• Infrared Spectrum: Authentic
• Linear Formula: (CH₃)₃SiNHSi(CH₃)₃
• Packaging: AcroSeal™ Glass Bottle
• Refractive Index: 1.4060 to 1.4090
• Quantity: 100mL
• InChI Key: FFUAGWLWBBFQJT-UHFFFAOYSA-N
• SMILES: C[Si](C)(C)N[Si](C)(C)C
• Molecular Weight (g/mol): 161.4
• ChEBI: CHEBI:85068
• Physical Form: Liquid
• Viscosity: 0.9 mm2/s (25°C)

• CAS: 999-97-3
• CAS Max %: 100.0
• Color: Undesignated
• Boiling Point: 125.0°C
• Assay Percent Range: 97.5% min. (GC)
• Molecular Formula: C₆H₁₉NSi₂
• MDL Number: MFCD00008259
• Merck Index: 15,4725
• Synonym: hexamethyldisilazane, bis trimethylsilyl amine, hmds, 1,1,1,3,3,3-hexamethyldisilazane, hexamethylsilazane, silanamine, 1,1,1-trimethyl-n-trimethylsilyl, tri-sil, 1,1,1-trimethyl-n-trimethylsilyl silanamine, hexamethyldisilizane, disilazane, 1,1,1,3,3,3-hexamethyl
• Solubility Information: Solubility in water: reacts. Other solubilities: reacts with methanol, soluble in acetone, benzene, ethyl ether, pentane, and perchloroethylene
• Specific Gravity: 0.76
• IUPAC Name: [dimethyl-(trimethylsilylamino)silyl]methane
• PubChem CID: 13838
• Formula Weight: 161.4
• Percent Purity: 98%

Safety and Handling

Product Identifier

• 1,1,1,3,3,3-Hexamethyldisilazane

Signal Word

• Danger

Hazard Category

• Acute toxicity Category 3
• Acute toxicity Category 4
• LONG-TERM AQUATIC HAZARD Chronic 3
• Serious eye damage/eye irritation Category 1
• Flammable liquid Category 2
• Skin corrosion/irritation Category 1 B

Hazard Statement

• H318-Causes serious eye damage.
• H314-Causes severe skin burns and eye damage.
• H311-Toxic in contact with skin.
• H412-Harmful to aquatic life with long lasting effects.
• H302-Harmful if swallowed.
• H332-Harmful if inhaled.
• H225-Highly flammable liquid and vapour.

Precautionary Statement

• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

RUO – Research Use Only