8.04324

1,1,1,3,3,3-Hexamethyldisilazane

for synthesis

• Synonym(e): HMDS
• Empirische Formel (Hill-System): C₆H₁₉NSi₂
• CAS-Nummer: 999-97-3
• Molekulargewicht: 161.39
• MDL-Nummer: MFCD00008259
• UNSPSC-Code: 12352103
• EG-Index-Nummer: 213-668-5

Eigenschaften

• Dampfdruck: 20 hPa ( 20 °C)
• Qualitätsniveau: 200
• Assay: ≥98% (GC)
• Form: liquid
• Selbstzündungstemp.: 325 °C
• Wirksamkeit: 847 mg/kg LD₅₀, oral (Rat); 550 mg/kg LD₅₀, skin (Rabbit)
• Expl.-Gr.: 0.8-25.9 % (v/v)
• kinematic viscosity: 0.9 cSt(25 °C)
• bp: 126 °C/1013 mbar
• mp (Schmelzpunkt): -82 °C
• Übergangstemp.: flash point 15 °C
• Dichte: 0.78 g/cm³ at 20 °C
• Lagertemp.: 2-30°C
• InChI: 1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3
• InChIKey: FFUAGWLWBBFQJT-UHFFFAOYSA-N

Beschreibung

Anwendung

• Handling and Safety Protocols of 1,1,1,3,3,3-Hexamethyldisilazane: This article presents a comprehensive overview of the handling and safety protocols associated with 1,1,1,3,3,3-Hexamethyldisilazane, emphasizing its applications in various industrial and pharmaceutical contexts. The study provides insights on its safe usage, particularly focusing on its role as a silylation agent in analytical chemistry and as a precursor in chemical vapor deposition processes (Toxicol Ind Health, 2019).

Hinweis zur Analyse

Gehalt (GC, Fl.%): ≥ 98 %
Dichte (d 20 °C/ 4 °C): 0.774 - 0.775
Identität (IR): entspricht

Sicherheitshinweise

• Piktogramme: GHS02,GHS06
• Signalwort: Danger
• H-Sätze: H225 - H302 + H332 - H311 - H412
• P-Sätze: P210 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312
• Gefahreneinstufungen: Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 52.5 °F - closed cup
• Flammpunkt (°C): 11.4 °C - closed cup