Silicon monoxide

  • Silicon(II) oxide
  • Oxosilylene
Formula
SiO
Structure
Description
Odorless, black solid.

Registry Numbers and Inventories.
CAS
10097-28-6
EC (EINECS/ELINCS)
233-232-8
R: 20 37
Merck
12,8640
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
OSi
Formula mass
44.08
Melting point, °C
1702
Boiling point, °C
1880
Density
2.13 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Small spills/leaks
Pick up mechanically.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents

Fire.
Fire fighting
Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.
Fire potential
Product is not flammable.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure effects
Inorganic silicon compounds may be acute inhalation irritants. Prolonged inhalation may cause pulmonary fibrosis known as silicosis.

First aid
 
   Ingestion
Seek medical treatment.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.