8.04324
1,1,1,3,3,3-Hexamethyldisilazane
for synthesis
Synonym(s):
1,1,1,3,3,3-Hexamethyldisilazane, Bis(trimethylsilyl)amine, HMDS
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About This Item
vapor pressure
20 hPa ( 20 °C)
Quality Level
assay
≥98% (GC)
form
liquid
autoignition temp.
325 °C
potency
847 mg/kg LD50, oral (Rat), 550 mg/kg LD50, skin (Rabbit)
expl. lim.
0.8-25.9 % (v/v)
kinematic viscosity
0.9 cSt(25 °C)
bp
126 °C/1013 mbar
mp
-82 °C
transition temp
flash point 15 °C
density
0.78 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
[Si](N[Si](C)(C)C)(C)(C)C
InChI
1S/C6H19NSi2/c1-8(2,3)7-9(4,5)6/h7H,1-6H3
InChI key
FFUAGWLWBBFQJT-UHFFFAOYSA-N
Application
- 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).
Analysis Note
Density (d 20 °C/ 4 °C): 0.774 - 0.775
Identity (IR): passes test
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signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
52.5 °F - closed cup
flash_point_c
11.4 °C - closed cup
Certificates of Analysis (COA)
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