General Information
Revision date
2019-06-11
Product name
1,1,1,3,3,3-HEXAMETHYLDISILAZANE, 99%
Product Synonyms
HMDS; HMDZ; BIS(TRIMETHYLSILYL)AMINE
Chemical name
ORGANOAMINOSILANE
CAS No.
999-97-3
supplier name
GELEST, INC
Emergency telephone
1-800-424-9300 (USA); +1 703-527-3887 (International
Icons in SDS
Company Information
company name
GELEST, INC
e-mail address of the competent person responsible for the Safety Data Sheet
info@gelest.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H225, H302, H302+H332, H311, H332
Hazard statements
Code
Statements
H225
Highly Flammable liquid and vapour
Section 2
Classification (GHS-US)
Flammable liquids Category 2 H225 Highly flammable liquid and vapor Acute toxicity (oral) Category 4 H302 Harmful if swallowed Acute toxicity (dermal) Category 3 H311 Toxic in contact with skin Acute toxicity (inhalation:vapor) Category 4 H332 Harmful if inhaled
Hazard statements
see section 16 : H225 - Highly flammable liquid and vapor H302+H332 - Harmful if swallowed or if inhaled H311 - Toxic in contact with skin
2.2 Label elements
GHS US labeling
Signal word
Danger
Precautionary statements
P210 - Keep away from heat, open flames, sparks. - No smoking. P233 - Keep container tightly closed. P240 - Ground/Bond container and receiving equipment P241 - Use explosion-proof electrical equipment P242 - Use only non-sparking tools. P243 - Take precautionary measures against static discharge. P261 - Avoid breathing dust/fume/gas/mist/vapors/spray. P264 - Wash hands thoroughly after handling. P270 - Do not eat, drink or smoke when using this product. P271 - Use only outdoors or in a well-ventilated area. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 - If swallowed: Call a doctor if you feel unwell P302+P352 - If on skin: Wash with plenty of water P303+P361+P353 - If on skin (or hair): take off immediately all contaminated clothing. rinse skin with water/shower P304+P340 - If inhaled: Remove person to fresh air and keep comfortable for breathing P312 - Call a poison center or doctor if you feel unwell P322 - Specific treatment (see supplemental first aid instruction on this label) P330 - Rinse mouth. P361+P364 - Take off immediately all contaminated clothing and wash it before reuse. P370+P378 - In case of fire: Use water spray, foam, carbon dioxide, dry chemical to extinguish. P403+P235 - Keep in a cool place P405 - Store locked up. P501 - Dispose of contents/container to licensed waste disposal facility.
Other hazards which do not result in classification
Hexamethyldisilazane reacts with moisture in living tissue to generate ammonia. 2.4.
Ingredient(s) with unknown acute toxicity
Not applicable
