General Information
Version
1.2
Revision date
2025-03-28
Product name
1,1,1,3,3,3-Hexamethyldisilazane
CAS No.
999-97-3
1.2.1 Relevant identified uses
For laboratory research purposes
Emergency telephone
+81-3-5640-8878, +81-3-5640-8902
Icons in SDS
Company Information
company name
TOKYO CHEMICAL INDUSTRY CO., LTD
e-mail address of the competent person responsible for the Safety Data Sheet
globalbusiness@tcichemicals.com
GHS Information
Signal word
Danger
Section 2
SECTION 2: Hazards identification
GHS Classification GHS classification of chemical product Flammable liquids : Category 2 Acute toxicity (Oral) : Category 4 Acute toxicity (Inhalation) : Category 3 Acute toxicity (Dermal) : Category 3 Skin corrosion/irritation : Category 1B Serious eye damage/eye irritation : Category 1 Specific target organ toxicity - : Category 1 (Nervous system) single exposure Specific target organ toxicity - : Category 3 (Respiratory tract irritation, Narcotic effects) single exposure Short-term (acute) aquatic hazard : Category 3 Long-term (chronic) aquatic haz- ard : Category 3
Signal word
Danger
Hazard statements
Highly flammable liquid and vapor. Harmful if swallowed. Toxic in contact with skin or if inhaled. Causes severe skin burns and eye damage. May cause respiratory irritation. May cause drowsiness or dizziness. Causes damage to organs (Nervous system). Harmful to aquatic life with long lasting effects.
Prevention
Keep away from heat/ sparks/ open flames/ hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical/ ventilating/ lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. Wash skin thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Avoid release to the environment. Wear protective gloves/ protective clothing/ eye protection/ face pro- tection.
Response
IF SWALLOWED: Call a POISON CENTER/ doctor if you feel unwell. Rinse mouth. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediate- ly call a POISON CENTER/ doctor. IF exposed or concerned: Call a POISON CENTER/ doctor. Take off immediately all contaminated clothing and wash it before reuse. In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish.
Storage
Store in a well-ventilated place. Keep container tightly closed. Store in a well-ventilated place. Keep cool. Store locked up.
Disposal
Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.